By Robert G. Waldvogel

The Shorts Skyvan, a light freight transport, and the 330 and 360 commuter airliners that were based upon it, were rugged and reliable aircraft, the latter facilitating the growth of then-developing regional carrier route structures.

Shorts Skyvan

Based upon an amalgamation of two conceptually similar designs, the HDM.106 and the HDM.107 that Short Brothers of Belfast, Northern Ireland, purchased from F. G. Miles in 1958, the eventual Skyvan used the foundation laid by both for a utility and small cargo aircraft, whose development commenced the following year.  It was initially designated the PD.36.

Stubby and short, it was hardly the sleekest airframe in the sky, but its features were necessary for its intended missions, including twin engines; a high-mounted, straight wing with an aspect ratio of 11; a box-resembling fuselage with slab sides and an internal, 6.6-square-foot cross-section; an aft loading ramp operable in flight; dual vertical tails; and a fixed tricycle undercarriage.

Powered by two 390-bhp Continental GTSIO-520 piston engines, the Skyvan 1 first flew in prototype form on January 17, 1963.  Underpowered, it was retrofitted with 520-shp Turbomeca Astazou II turboprops, once again taking to the skies ten months later, on October 2, in whose guise it was provisionally known as the SC7/10 Skyvan 1A.

Yet a second powerplant change, this time to the even more capable 637-shp Astazou X, coupled with minor wing modifications and a lowered tailplane, resulted in the March 1965 variant, the Skyvan 1A series 2, for which Aer Alpi of Italy became the launch customer, placing an order for two aircraft.

The definitive production version, fitted with 730-shp Astazou XIH-1 engines, introduced several modifications, among them a more streamlined nose, larger, rectangular passenger windows to replace the original round ones, a single nose wheel, and with the ninth production airframe, a 31-inch cabin length increase, for a new, 18.7-foot total. Finally, a fuel capacity increase, from 175 to 225 Imperial gallons carried in four wing tanks.

High-elevation and –temperature airfield operations necessitated an even more capable version.  Introducing 755-shp Garrett AiResearch TPE-331-201A turboprops, which drove three-bladed Hartzell propellers, and an increased 300-Imperial gallon fuel capacity, the resultant SC7 Skyvan 3, employing the now modified Mk 2 prototype, first flew on December 15, 1967.

With a 40.1-foot overall length and a 64.1-foot wingspan, it offered a 4,600pound payload, 12,500-pound gross weight, and 654-mile range with its maximum fuel and a 3,000-pound payload.

Because the flat ceiling and vertical walls of its boxy cabin provided considerable volume within a relatively small area, it offered flexible accommodation, from the previously quoted 4,600 pounds of cargo–comprised, if necessary, of small vehicles–to 12 stretchers and up to 22 single-class passengers.  A convertible variant accepted palletized freight, with provision for its lightweight, slimline seats to be folded against the sidewalls.

Incorporating these features was the succeeding Skyvan 3M military version, which also introduced nose-installed weather radar, a roller-equipped loading system, and accommodation for 12 stretchers, 19 paratroopers, or up to 22 standard troops.  More importantly, it offered increased maximum payload and takeoff weights of 5,000 and 13,500 pounds respectively.

The Austrian Air Force, the first to order the type, took delivery of its two examples on September 12, 1969.

A third-level or commuter airline variant, the Skyliner, incorporated passenger features, including a low-entry door on the aft, port side and a modernized cabin with individual air vent and reading light units, a small galley, and a lavatory.

Shorts 330

Development of the passenger-configured Skyvan and Skyliner, undertaken to produce an inexpensive, unpressurized commuter airliner, resulted in several fundamental modifications that introduced higher capacities and sleeker lines.

A 12.5-foot forward fuselage stretch, for instance, coupled with a more pointed nose, afforded a 30-passenger capacity in a three-abreast, one-two, arrangement at a 30-inch seat pitch, complete with molded sidewalls and enclosed overhead storage compartments. A 9.9-foot insertion in the braced, high-mounted, supercritical wing took the span to 74.8 feet and its area to 453 square feet.

Power was provided by two Pratt and Whitney PT6A-45 turboprops, turning five-bladed propellers, while the tricycle undercarriage was retractable for the first time.

Launched after receipt of UK government financial aid on May 23, 1973, the aircraft, initially designated the SD3-30, first flew in prototype form on August 22 of the following year.  A second one first flew on July 8, 1975 and the first production example took to the skies five months later, on December 15.

Although launch orders were placed by US-based Command Airways and Canada-based Time Air, the latter, in fact, was the first to inaugurate the type into service on August 24, 1976.

Succeeding the baseline Shorts 330-100, the 330-200, announced in 1981, offered 1,020-shp PT6A-45R engines, whose power increased to 1,198-shp when the “r”—for “reserve”—was used.  With a 7,500-pound payload and a 22,900-pound gross weight, this variant carried 3,840 pounds of fuel, but, like all others in the Skyvan/Skyliner/330 series, it suffered from speed deficiencies, only cruising at between 180 and 200 mph.

Aside from US launch customer, Command Airways, other US regional operators included Golden West Airlines, Mississippi Valley Airlines and Metro Airlines. These three carriers, Henson Aviation, Suburban and Chautauqua Airlines all operated under the Allegheny Commuter banner. Lastly, not to be left out was Burlington, Vermont based Air North.

Aer Lingus and Olympic were major European operators of the type.

A military version, the C-23A Sherpa, featured an aft loading ramp. Some Shorts 360 aircraft were converted to become C-23A Sherpas.

Production, which ceased in 1992, totaled 136 examples of all variants.

Shorts 360

The Shorts 360, the definitive development of the Skyvan and the 3-30, introduced a three-foot forward fuselage plug for a new 70.6-foot length, a redesigned aft portion with a tapered profile, a swept, single vertical tail, two additional seat rows for a 36-passenger total, uprated, 1,194-shp PT6A-65R engines, a 25,700-pound maximum takeoff weight and higher cruise speeds, of up to 243 mph.

Suburban Airlines, operating under the Allegheny Commuter consortium, placed the launch order with aircraft N360SA, seen in the photo below.

First flying in prototype form on June 1, 1981 and certified on September 3 of the following year, it entered service two months later.

Advanced versions, introduced in 1985 and 1987, featured higher rated engines and six-bladed propellers before production, totaling 165 aircraft, ended in 1991.

By Phil Brooks

Being a Private Pilot and Aircraft Dispatcher for several decades, I’ve always been interested in various aspects of aerial navigation.  In the mid-1990s, with GPS navigation on the horizon, I decided it was time to document the “brick and mortar” navaids.  My favorite is the VOR station- that stands for very high frequency, omni-directional range.

These short-range navigation facilities exist worldwide, and were developed by the U.S. Civil Aeronautics Administration in the late 1930s, and perfected during WWII. These beacons transmit a signal in 360 directions (radials) over a VHF frequency, in the range of 108-117.95 MHz. Pilots tune in that frequency and the receiver in the aircraft directs them to fly to or from that VOR. It also allows them to identify and intercept certain radials, for en-route navigation (on so-called Victor Airways below 18,000 feet above mean sea level, or on Jet Routes, above Flight Level 180) as well as instrument approach procedures. The intersection of two radials, from two different VORs, can also allow one to determine their present position.

I concentrate on those in the United States, so this article will focus on those maintained by the Federal Aviation Administration (FAA), the successor to the CAA.  There are other aviation navaids, but VORs are large, easily identifiable structures, so they caught my eye first.

VORs basically come in two versions, one that looks sort of like a big bowling pin, and another, the Doppler variety, which is typically elevated above the surrounding terrain, when nearby structures might affect the signal, which is usable in “line of sight” only. Some are classified as VORTACs, because they have the military’s TACAN (Tactical Air Navigation) system built-in, which provides similar information. There are also VOR-DMEs, which provide distance to the station. More detailed information can be found on wikipedia.com. They can be identified in flight by the Morse code of their identifier, aurally broadcast on the same frequency.

Here is an example of the Doppler VOR:

The technology, the world standard for more than 50 years, is still in use, but GPS (also known as GNSS-Global Navigation Satellite System) now dominates aerial navigation.  The FAA is decommissioning most VORs over the next few years, but keeping what they call a Minimum Operational Network (MON), to provide basic conventional navigation service for operators to use if GNSS becomes unavailable.

The MON is intended to provide signal reception starting at above 5,000 feet Above Ground Level (AGL) over the continental United States, giving pilots the ability to navigate to a MON airport within 100 nautical miles and conduct an Instrument Approach without the use of GPS. This is planned to consist of 590 VORs, out of the almost 1,000 that existed in 2016, when de-commissioning began. So my hobby will continue for the indefinite future! While GPS is wonderful, it is vulnerable to some extent, and certainly has none of the “romance” or physical presence of the VOR system. Perhaps when the last VOR is de-commissioned, that will be my time to retire!

I appreciate both the history of the VOR system, because it was such an improvement over earlier systems of navigation, and, as a student of geography. My favorite VOR is the one nearest to my home, Brickyard (identifier: VHP), near Indianapolis, IN. I have dragged my wife Pam, even when we were dating, to a number of VORs, and she has a favorite too-Dove Creek (DVC) in southwest Colorado.

The first VOR in the U.S. was located at the Indianapolis municipal airport, now Indianapolis International (IND). This was the location of the CAA’s Technical Center at the time. Indianapolis VOR was moved about 7 miles northwest of the airport at some point, and the name was later changed from Indianapolis (IND) to Brickyard (a nickname for the nearby Indianapolis Motor Speedway) in the 1990s, to avoid confusion between the VOR and the airport, since they were no longer co-located.

They are mostly named for nearby towns or cities, but sometimes after people.  They also have three-letter codes, like airports.  Some unusual names are Crazy Woman (CZI) in Wyoming, and Gipper (GIJ) near South Bend, IN and Notre Dame University.

Here is an example of what a VOR/DME looks like on the St. Louis Aeronautical Sectional Aeronautical Chart showing the Samsville VOR:

Some are hard to find from the ground, because they are located on ridges or mountaintops, to provide an unobstructed signal.  Others are easy, located right on airports.  Their locations can be viewed on charts accessible via www.skyvector.com.  In the “old days” before smartphones, I went on a few “wild goose chases” where I was unable to locate a VOR from ground level, much to the frustration of my wife!  The Google Maps website (maps.google.com) has made it a lot easier to find them in advance of a search.  Some come up in a location search, but for others you must enter the latitude and longitude (available from www.airnav.com). 

When taking pictures of VORs, it’s important to stay on public property or get permission from the landowner.  I’ve met some nice people this way, but it sometimes takes a bit of explanation as to why I am interested!  I like that some people, even landowners, who receive payment for the use of their land, don’t know what those “bowling pins” are for.

I am a member of the Airline Dispatchers Federation (www.Dispatcher.org) and post a photo every month of a VOR, with clues as to its identity, for people to guess.  Check it out, you don’t need to be a Dispatcher to play!  The website can also be used to learn about the Dispatch profession, which I love.

Pictures of VORs from Captain’s Log readers around the world would be appreciated!

This article is dedicated to my wife, Pam, for putting up with many “VOR hunts,” and also to retired FAA technician Bill “Guido” Hyler, who has answered many of my VOR questions over the years.

By Charles Dolan

As I was preparing my last article for the Captain’s Log, I was struck by the number of airlines in Central America which had connections with Pan American World Airways. The nineteen twenties and nineteen thirties saw the somewhat rapid and often chaotic development of air services in Central and South America. This area of the globe needed to move mail, people and cargo from many point As to many point Bs. The new opportunities were explored by local entrepreneurs and others from around the world. United States, German, French and Italian entities tried and failed or in some cases succeeded in establishing airlines in South America.

One name, Juan Terry Trippe, and one airline, Pan American World Airways feature prominently in this developing industry. PAA and Trippe, with the help of Charles Lindbergh, developed air routes along the east coast of the continent using both land and seaplanes. As new services were started, they went to these experts for technical and financial assistance. In other cases, such as the takeover of NYRBA by Panair do Brasil, the experts took over the competition.  The old sports saying “You can’t tell the players without the program” holds true if one wants to try to follow the development of South American airlines. The best program would be Airlines of Latin America since 1919 by R.E.G Davies with more information about Pan American itself in Gene Banning’s Airlines of Pan American Since 1927.

Many of the insignia in my collection look as if PAA had a lot to do with the creation and/or operation of these South American carriers. In some cases this is true, but in others, the only connection is the similarity of insignia. Did the latter carriers just like the look of the PAA brass, or did they want the customers to assume a closer connection? We might never know.

I have also included several carriers which did not have any connection, but I found their insignia interesting.

Aero Peru, Aerolineas Argentinas, APSA, Area,  C.A.U.S.A., Cruziero do Sul and NAB  were independent, having no PAA connection.  AVENSA was developed with PAA holding a 30 percent stake in the company. The PAA share of AVIANCA was 64 percent at its inception. Panair do Brasil was pretty much a Pan American Airways operation after the U.S. Post Office awarded it all of NYRBA’s mail contracts.

NAB, Navigasao Aerea Brasileira adopted the Pan American style wing for its pilot uniform.

Area, Aerovias Ecuatoriana, C. A. had an interesting connection with Pan American besides sharing the design of the cap badge. Area operated two Boeing 307 Stratoliners which had originally been operated by Pan American World Airways. An interesting “factoid” if ever there was one.

I hope you enjoy the images.

All Images courtesy of Author’s Collection.

By Fons Schaefers

This new series of articles covers the development over the years of airliner safety cards and will span almost a century. Safety cards include all those pamphlets, cards and other paper material that an airline makes available on aircraft to inform passengers about safety features available to them. This ranges from do’s and dont’s for each flight, like donning the safety belt and switching off electronics, to equipment and procedures only to be used in an emergency such as an evacuation.

The first six articles chronologically review the development of safety cards whilst the next six (or so) deal with different themes. Currently, I am thinking about the following themes, but if readers have other suggestions, I am happy to adapt: appearance/artwork/contents catalog/efficacy/makers/ special user groups/spin-off cards/unique aircraft.

The history of safety cards parallels that of cabin safety. Its continuous changes are driven by technological improvements, accident lessons, associated regulatory developments and, overarching, the increasing social recognition of safety. In each article, I will sketch the evolution of cabin safety as background to the development of the cards.

1924 – 1934, EUROPE

Not long after passengers were first carried by airplanes, pamphlets addressing passenger safety features appeared. But what were those features? As compared to today’s, they were primitive and largely borrowed from the marine world. Fire extinguishers, first-aid kits and flare pistols were installed in airplanes because they were on ships and considered a token necessity. For overwater flights, life vests were added. Unique to airplanes were safety belts, but these, particularly in America, initially were only installed to prevent persons falling out of open cockpits and not necessarily to restrain them in case of heavy impacts. Emergency exits were prescribed in the very first of airplane design regulations, but this was limited to how many were needed: initially only two, and that included the passenger entrance door. Only later, the nascent regulations got more specific as to how large they needed to be, the ease of operation, marking, lighting, etc.

Although forerunners of today’s safety cards, early passenger safety pamphlets barely meet the definition of a safety card. Imperial Airways, the predecessor of BOAC and thus British Airways, issued them around 1930. I show two examples. The first, coded IA/F/30, so presumably from 1930, explains ‘the normal movements of an Aeroplane in flight,’ ‘how to travel with the greatest comfort’ and ‘the precautions which are taken against and the action to be taken in an emergency.’ In the latter category fall a no-smoking rule, a means of communication with the pilot (‘through the aperture in the front of the cabin’) and instructions how to wear the ‘lifebelt.’ For traveling with comfort, the pamphlet recommends passengers ‘to place cotton wool in their ears to deaden the noise caused by the engines’. Windows could be opened or shut as desired, it further says, without explaining why this was needed at times. Contemporary reports suggest it was to let in fresh air and to remove the stench created by passengers suffering from airsickness and perhaps using the cuspidors that the pamphlet says are provided.

The 1930 sample, reproduced below, has two penciled annotations: ‘The channel looks rough’ and
‘I think Lindberg was a wonder, don’t you?’ For those passengers not trained in sign language, writing on the pamphlet may well have been the only way to communicate during flight, as the engine noise made voices inaudible.

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A 1931 edition of the Imperial pamphlet adds information about emergency exits (‘provided in the roof of the cabins,’ ‘clearly marked’). It is well possible that this pamphlet was not handed out on board but rather already available at sales offices as it also includes information on how to book, dress and obtain foreign money. Note the chauvinist message on the last page: ‘Imperial aircraft and engines are of British design and manufacture and are flown by British pilots.’

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KLM, the Dutch flag airline that was the first in the world to celebrate its centennial (in 2019), in its pioneer years issued ‘travelers suggestions.’ I reproduce a German version, coded ’4-34 7500,’ presumably issued in April 1934 in a stock of 7500. Like the Imperial Airways sample, it starts with an explanation of how an aeroplane takes off, how high it flies (typically 400 meters, about 1,300 ft) and that engine power is reduced for landing. It mentions that windows can be opened but warns not to throw anything out. Airsickness, it continues in a propagandistic stance, is predominantly imaginary and can be prevented by ‘freeing oneself from nervous thoughts,’ using a map to follow the airplane’s track or reading a book or magazine. The life vest is explained but, unlike Imperial Airways, only by using text, not graphics. It mentions the emergency exit in the roof as an alternative to the entrance door. The door between cabin and cockpit can be used to communicate with the pilot in case of an emergency. Like with Imperial Airways, this was through a hole in the door. A feature that will amaze today’s passengers is that wires (‘Drahtberichte’) could be sent and received by
passengers via the radiotelegraphist. This service was introduced in June 1933, so still new when this leaflet was produced.

The airplane pictured looks like the 3-engined Fokker F.VII/3m, a type already in use, albeit with a single engine, since 1924. The fuselage was made of a steel tubular framework covered with linen. The wings were of wood as was the interior furnishing.

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There are indications that KLM issued similar instructions in its home language (Dutch) much earlier than 1934, possibly even as early as 1924. In 1969, at the occasion of their half-century existence, KLM published a celebration book¹. In it is a small reproduction of a concise pamphlet, ranked as being from 1924, that sums up, in Dutch, the safety essentials of the day:

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¹ Vlucht KL-50, Leonard de Vries, 1969

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1935, OXYGEN

Worldwide, very few routes were being operated at the time with supplemental oxygen. Panagra’s trans-Andean route was probably the single exception before KLM introduced it. In the USA, the Rocky Mountains were negotiated without it. In those days the effects of oxygen at altitude were not well understood. Only towards the end of the decade, Ross McFarland and others published their scientific research, which led to the introduction of oxygen rules for US airlines in 1941³. These only prescribed oxygen provisions for crew. Oxygen regulations for passengers came much later, as we will see in the next article.

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² source: Schiphol uitstappen!, Hilda Bongertman, 1935
³ CAB, Federal Register February 6, 1941

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1943, MEMPHIS

The earliest mention of a US airline passenger safety pamphlet that I came across is in the 4 October 1943 edition of Aviation Week. It announces that Chicago and Southern Air Lines (which merged 10 years later with Delta) ponders about it, following a suggestion from a newspaper.

Based on that article, and searching for what likely triggered it, here is my version of the sequence of events.

Photographs courtesy of the author’s collection.

November 2021
Email: f.schaefers@planet.nl

By David Birkley

Sierra West Airlines was founded by Dan Brumlik and Scott Bekemeyer as a commuter airline that would compete with congested Northern California’s highways and existing carriers with a focus on low fares and frequent service. Utilizing Oakland International Airport as a hub offered easy connections to other airlines like Shuttle by United, Southwest, and others.

Headquarters and HUB operations were to be located at the Oakland International Airport. Sierra West Express chose the reliable 19 passenger British Aerospace Jetstream 3200s with plans to serve 12 cities in Northern California and Southern Oregon with a predicted start date of May 1995. Seven beautifully painted J3200s with updated interiors joined the small airline. Aircraft and support came from British Aerospace and JSX Capital of Sterling, VA. 

The airline received its certificate on August 11, 1995, as Sierra Expressway. With much fanfare, service began on August 18 from Oakland to Eureka/Arcata, Monterey, Sacramento, CA, and to Medford, OR. Service to Redding, CA started in October.  Monterey was dropped in December and new service to South Lake Tahoe was started.

Photo Courtesy: Author’s Collection

The airline attempted to follow the success of ValuJet and Southwest Airlines by offering ticketless, no interline or baggage agreements, and peak and off-peak pricing structure. Low-cost walk-up fares were offered with few restrictions. You could purchase a roundtrip ticket Oakland-Medford for $218 which was less than one-third of the competing airlines. The airline offered two fares Off-Peak (6:00A-8:00A and 7:00P-12:00A) and Peak (8:00A-7:00P).

Once at the airport, one could expect friendly and enthusiastic service at check-in. When complete you were given a heavy thick plastic boarding pass with a story on it why you should be flying. No seat selection was offered onboard. Each out-station staff included a station manager and a small staff of ticket and ramp agents. Stations were also crew bases with three captains and three first officers. The airline employed over 250 personnel in December 1995: pilots, mechanics, and airport staff plus, administration.  

Item Courtesy: Author’s Collection

However, after the brief expansion in late 1995 and a slow reduction in service in early 1996 the airline continued to lose money and load factors hovered around 30%. As hard as the management team tried with enthusiasm, low fares and promotions were not enough.  The airline never achieved its predicted load factors of 50%, and other unforeseen expenses had eaten away at the airline’s operating capital. No choice was left but to close the doors on Friday, February 16, 1996.

Item courtesy: Author’s Collection

By Robert G. Waldvogel

As one of the first generation of regional jets that flew some two decades before those produced by Canadair, Embraer, and Dornier in the 1990s, the Aerospatiale SN.601 Corvette straddled the line between the business and regional markets and was consequently the smallest to have served commercially.

Its seed was planted when the French government, continuing its strategy of re-establishing the country’s post-war aviation industry began with piston airliners such as the Breguet Deux Ponts, the Sud-Est Armagnac, and the Sud-Ouest Bretagne requested that aircraft manufacturers submit proposals for a compact twin-turbofan liaison/trainer.  Then-separate Sud-Aviation and Nord-Aviation elected to jointly develop an executive jet designated the SN.600 Diplomate in January of 1968 when French indigenous SNECMA designed a suitable power plant for it, the M49 Larzac.

Displayed for the first time in model form at that year’s Hanover Air Show, it featured what became the standard business jet configuration—a low wing, a narrow fuselage, a forward, left door, swept aerodynamic surfaces, and two aft-mounted turbofans.  It most closely resembled the Cessna Citation 500.  It also had very early and very small-capacity regional jet application.

Predicted sales, which later proved unrealistically inflated, were expected to number some 400 from worldwide operators over and above the initial 60 expected from the French military.

Reflecting its joint Sud- and Nord-Aviation company origins, the aircraft, with its “SN” designation, first took to the sky in prototype form on July 16, 1970, but the lengthy development of its intended M49 powerplant necessitated the use of two 2,200 thrust-pound Pratt and Whitney Canada JT15D-1s instead.  While its maiden flight was successful, its test program did not continue in this vein.  During stall trials eight months later, on March 22, 1971, it crashed, ending in its demise.

A protracted period of redesign, before which Sud- and Nord-Aviation merged to form Aerospatiale, resulted in a 5.5-foot longer fuselage, giving the now re-designated SN.601 Corvette 100 a 45.4-foot overall length; a 42-foot wingspan, to which tip fuel tanks could be optionally installed to increase range; two 2,300 thrust-pound JT15D-4 turbofans; and a 13,450-pound gross weight.  Range, with its maximum payload, was just over 1,000 miles.

So-configured, the second and third prototypes respectively flew on December 20, 1972 and March 7, 1973.  The first production example followed suit eight months later, on November 9, 1973, and French certification was received another six months after that, on May 28, 1974.

The type’s problem-plagued program was hardly helped by competition, particularly on its executive side.  The similarly-configured, French-designed Falcon 20, distributed through Pan American Falcon Jets, enjoyed a brand name recognition advantage and was able to penetrate the coveted US market.

Attempts to conclude similar agreements were unsuccessful, specifically with Ling-Temco-Vought (LTV), Piper Aircraft, and its own Atlanta-based US Corvette Incorporated North American aircraft completion, sales, and distribution center.  Although its final one, with Oklahoma-based Air Center, Inc., seemed more promising, it never received a single production-standard aircraft out of the intended seventy.

As the third most expensive business jet after the Cessna Citation 500 and the Learjet 24, it was subjected to cost overruns and the French government gave serious thought to canceling the program.

After receiving only 24 orders, Aerospatiale did just that.  A report produced by the government’s Court of Audit stated that the company’s management lacked an adequate understanding of the risks involved in the face of competition from comparable US, British, and other French designs, saying, “It is certain that the Corvette program is, and will remain, a major commercial and financial disaster.”

In its regional jet role, it found limited application by third-level carriers seeking to offer point-to-point, hub-bypassing service on routes too thin to support larger aircraft.

Air Alpes, for example, which took delivery of two Corvette 100s in 1974 and another two in 1975, operated routes on its own behalf from Paris and those, such as Lyons-Brussels, on Air France’s, its aircraft appearing in its livery on one side and its own on its other.  Accommodating a dozen passengers, they featured two rows of single seats next to the five oval windows on either side, divided by a central aisle.  The cockpit count was two, but there were no flight attendants in the cabin.

Other operators included Air Alsace, Air Champagne, and TAT Touraine Air Transport in France, and Sterling Airways in Denmark.  Airbus Industrie used five aircraft as corporate shuttles between 1981 and 2009.

Although an 18-passenger, Corvette 200, with a 6.7-foot fuselage stretch, was proposed, it never proceeded beyond the concept stage, since its original 100 series ceased production in 1977 after 40 aircraft had been built, ending France’s second-worst commercial airliner program after that of the 150-passenger Dassault-Breguet Mercure 100, whose production run was only 12, including two prototypes.

Plagued by prototype accident; along, corrective development period; a change in power plant type; costly operation; failure to establish a North American distribution venue; strong competition; management ignorance; and capacity that proved inadequate, the Aerospatiale SN.601 Corvette nevertheless served as an example of one of the three regional jet origins: an all-new design, the conversion of an existing turboprop one, or the use of a business jet platform.

Air France/Air Alsace SN 601-100, F-BVPF seen at Basel-Mulhouse (BSL) in April 1976.
Note the lack of wingtip tanks.
Photo Courtesy: Eduard Marmet

TAT – Touraine Air Transport
Aerospatiale SN-601 Corvette 100, F-BTTT seen on May 31, 1978, at Basel-Mulhouse (BSL).
Once again note the lack of wingtip tanks.
Photo Courtesy: Eduard Marmet

Aero Vision SN 601 Corvette, F-GPLA seen at Hamburg, Germany on October 10, 2007.
Photo Courtesy: Christian Muller

Uni Air SN 601 Corvette, F-PVPG seen at Faro, Portugal on November 30, 1987.
Photo Courtesy: Pedro Aragao

Sterling Airways Aerospatiale Sn-610 Corvette, OY-SBT seen at Copenhagen, Denmark on September 22, 1984.
Photo Courtesy: Dirk Grothe | Aviation Photography

Sterling Airways Aerospatiale Sn-610 Corvette, OY-SBR seen at Copenhagen, Denmark on September 22, 1984.
Photo Courtesy: Dirk Grothe | Aviation Photography

Former Sterling Airways Aerospatiale SN-610 Corvette, OY-SBR seen at The Fly Museum in Stauning, Denmark on August 27, 2018.
Photo Courtesy: Dirk Grothe | Aviation Photography

Flight deck of former Sterling Airways Aerospatiale SN-610 Corvette, OY-SBR seen at The Fly Museum in Stauning, Denmark on August 27, 2018.
Photo Courtesy: Dirk Grothe | Aviation Photography

By Lane Kranz

Midwest Express started operations on June 11, 1984, with three DC-9-10s.  The airline later added DC-9-30s and MD-80s.  In 2002, the airline simplified its name to Midwest Airlines and 717s replaced older generation aircraft.  The airline was known for quality service, 2×2 leather seating, and warm chocolate chip cookies.  Financial troubles began post-9/11 and a series of ownership changes occurred.  Midwest Airlines flew its final flight in 2010 as it was absorbed into Frontier Airlines and Republic Airways Holdings.  Its YX code is still used by Republic Airways.

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Pictured Above:  (Left) Midwest Express first junior wing with block lettering.  (Center) Midwest Express second issue junior wing with script lettering.  (Right) Midwest Airlines final junior wing reflecting the name change and new corporate logo.

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All aircraft pictures courtesy of Joe Hamilton collection.