McDonnell Douglas

As of October 2026 – Two engines at the rear, a high T-tail and a fuselage that seems to go on forever: anyone standing at a European airport in the 1990s saw this silhouette constantly. Today it has become rare. McDonnell Douglas has not existed since 1997, yet the manufacturer’s aircraft are more in demand among spotters than ever – precisely because every sighting of an MD-11, MD-80 or DC-10 is a small event.

Two traditional companies, one name

McDonnell Douglas was the result of a marriage of convenience. On one side stood Douglas Aircraft, founded in the early 1920s by Donald Douglas in Southern California. With the DC-3, Douglas had shaped air travel in the propeller era – how much is shown in the article on the history of the DC-3. The DC-4, DC-6 and DC-7 followed as further successes, and with the DC-8 in 1958 came the entry into the jet age.

On the other side stood McDonnell Aircraft, founded in 1939 by James S. McDonnell in St. Louis. McDonnell built almost exclusively for the military and scored a worldwide success with the F-4 Phantom II. The company was financially sound, while Douglas was in trouble in the mid-1960s: demand for the new DC-9 was high, but start-up costs were so large that many aircraft were sold at a loss.

The solution was the merger. It was completed on April 28, 1967, and the headquarters became St. Louis. The division of labor stayed clear: the military jets came from Missouri, the airliners continued to come from the Douglas plant in Long Beach, California.

The airliners at a glance

What counts for you at the fence is mainly the civil line. The table sorts the types from Long Beach – from the DC-8 of the Douglas era to the 717, which was already delivered under the Boeing name.

Together with the DC-9, MD-80 and MD-90, the 717 forms the DC-9 family, which was built for over 40 years – from 1965 to 2006. Hardly any other aircraft family has kept its basic shape for so long.

DC-9, MD-80, MD-90 and 717 – the rear-engine family

The DC-9 entered service with Delta in December 1965 and was conceived as a compact short-haul jet. Its design principle – two engines at the rear, a T-tail above them and a wing without engine nacelles – was kept across all generations. The clean wing allowed a low landing gear and short loading distances; the price was a noisy cabin area at the rear.

In the late 1970s McDonnell Douglas stretched the DC-9 considerably and gave it quieter, more economical engines. The result flew for the first time on October 18, 1979, and entered service with Swissair in 1980. At first called the DC-9-80 or “Super 80,” the name MD-80 prevailed. The family includes the MD-81, MD-82, MD-83, the short MD-87 and the MD-88. With 1,191 examples it is the manufacturer’s most-built civil jet; MD-82s were even assembled under license in Shanghai.

In Europe the MD-80 was part of everyday life for a long time, for example at Swissair, SAS, Alitalia, Iberia and Finnair. In the US, American Airlines and Delta flew huge fleets. American ended MD-80 operations in September 2019, and Delta retired its MD-88s and MD-90s in June 2020. Today the MD-80 flies only with smaller companies, for example in Latin America with Laser Airlines or in freight and charter roles.

From 1995 the MD-90 used larger IAE V2500 engines, but with 116 examples remained a niche model. The final chapter was the MD-95: shorter again, with a modern cockpit and Rolls-Royce BR715 engines. It flew only in 1998, after the merger, and was therefore sold as the Boeing 717. Launch customer was ValuJet, the later AirTran Airways, which also took the last example in May 2006.

DC-10 and MD-11 – the three-engine jets

In the late 1960s US airlines were looking for a widebody jet smaller than the Boeing 747 that could also take off from shorter runways. McDonnell Douglas answered with the DC-10: two engines under the wings, the third high up in the vertical stabilizer. It flew for the first time on August 29, 1970, and entered service in 1971 with American and United. Its direct competitor was the Lockheed L-1011 TriStar, which it clearly outsold – also because the TriStar came later and was more expensive. Lockheed then withdrew from airliner construction; today the name stands mainly for military projects at Lockheed Martin.

By 1989, 386 civil DC-10s and 60 KC-10 Extender tankers were built. From the late 1990s many DC-10s received a glass cockpit and became the MD-10 – a conversion program still started by McDonnell Douglas and continued by Boeing, mainly for FedEx, which could thus use its pilots on the DC-10 and MD-11 interchangeably. Passenger flights with the DC-10 ended in 2014; only a few examples still fly in freight and special roles such as firefighting.

The MD-11 was the derivative: longer fuselage, winglets, a two-person cockpit without a flight engineer. It flew for the first time on January 10, 1990, and Finnair was the first airline to deploy it in December 1990. In passenger service it could not hold its own for long against the new twinjets from Boeing and Airbus. After only 200 examples production ended; the last aircraft went to Lufthansa Cargo in January 2001. KLM flew the last scheduled passenger flights with the type in October 2014. Lufthansa Cargo retired its last MD-11 in October 2021.

As a freighter, the MD-11 became a workhorse. The big operators were FedEx Express and UPS Airlines, plus Western Global and formerly World Airways. In November 2025 a UPS MD-11 crashed shortly after takeoff in Louisville. The US aviation authority FAA then grounded all MD-11s and DC-10s. UPS subsequently retired its MD-11 fleet for good. In May 2026 the FAA lifted the grounding, and FedEx and Western Global have since been bringing their aircraft back into service step by step.

Five steps to the right MD jet

Because the types are so closely related, a fixed order helps. It takes you quickly from the basic type to the individual variant.

The military side: Phantom, Eagle, Hornet

Even if civil spotters are mainly interested in Long Beach: economically, McDonnell Douglas was for long stretches a defense contractor. From St. Louis came the F-4 Phantom II, the F-15 Eagle and the F/A-18 Hornet. Together with British Aerospace came the vertical-takeoff AV-8B Harrier II, and in Long Beach the transport C-17 Globemaster III. The Phantom also flew with the German Luftwaffe and remains a favorite of many military fans to this day.

After the merger Boeing continued the F-15, F/A-18 and C-17 – which is why many of these types now carry the Boeing name. If you want to identify military jets, the articles Recognizing fighter jets in Europe and Recognizing military transports will help.

The 1997 merger with Boeing

In the 1990s McDonnell Douglas came under increasing pressure. In airliner construction the manufacturer lost market share to Boeing and to Airbus, and plans for a new large long-haul jet never got beyond paper. At the same time, defense budgets shrank after the end of the Cold War. The number of employees fell from around 132,500 in 1990 to about 87,400 at the end of 1992.

In December 1996 Boeing and McDonnell Douglas announced their merger. It was carried out as a stock swap worth around $13 billion and was completed on August 1, 1997. Boeing remained the existing company, and the McDonnell Douglas name disappeared. The ongoing civil programs MD-80, MD-90 and MD-11 ran out over a few more years, and the MD-95 became the Boeing 717. With the delivery of the last 717 in May 2006, airliner production in Long Beach ended.

Where you can still see McDonnell Douglas jets today

Passenger traffic in Europe is practically history for this manufacturer. Your best chance is MD-11 freighters. Major cargo airports such as Leipzig/Halle, Cologne/Bonn or Frankfurt repeatedly get visits from overseas freighters. Whether an MD-11 is among them depends on the operators’ rotations – and those keep changing after the return from the grounding. Good locations are the observation deck at Leipzig/Halle, the observation deck at Cologne/Bonn and the Zeppelinheim viewing platform in Frankfurt. How to identify freighters reliably in general is in the article Recognizing freighters, and the logic of the big parcel carriers is explained in Express integrators DHL, FedEx and UPS.

In the US the chances are much better. The FedEx hub in Memphis is classic MD-11 territory, Delta flies the 717 mainly on its domestic network, and Hawaiian Airlines uses it between the islands. At Louisville Airport, on the other hand, the UPS hub, the MD-11 has vanished from everyday operations since UPS retired it.

Older types such as the DC-8, DC-9 and DC-10 you find mainly in museums. Large collections such as the Museum of Flight in Seattle or the Pima Air & Space Museum in Tucson show many classics of US aviation. Which exhibits are currently on display is best checked on the museum’s page before your visit.

If you are hunting for the last examples, it is worth looking at farewell and ferry flights. Many operators send off their last aircraft with special flights that make spotters travel far. Tips are in the article Spotting farewell and first flights, and a general introduction to old types is offered by Recognizing vintage aircraft in the sky.

Conclusion

For three decades McDonnell Douglas was the third big name in Western airliner construction. The manufacturer carried on the legacy of Douglas – DC-8, DC-9 and DC-10 – with the MD-80, MD-90 and MD-11, while some of the world’s best-known fighter jets were created in St. Louis. In the end it could not hold its own against Boeing and Airbus in the civil business, and in 1997 it was absorbed into Boeing.

For spotters a clear design language remains: rear engines, T-tail and the third engine in the vertical stabilizer. Anyone who reads these features identifies every McDonnell Douglas jet in seconds. The opportunities are getting fewer, though – every MD-11 and every MD-80 you photograph today is a document of an era coming to an end.