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2. McDonnell Douglas MD-80 - Wikipedia

   en.wikipedia.org/wiki/McDonnell_Douglas_MD-80

   American Airlines was the first US major carrier to order the MD-80 when it leased twenty 142-seat aircraft from McDonnell Douglas in October 1982 to replace its Boeing 727-100s. It committed to 67 firm orders plus 100 options in March 1984, and in 2002 its fleet peaked at more than 360 aircraft, 30% of the 1,191 produced.

3. 2024 Malakal Airport collision - Wikipedia

   en.wikipedia.org/wiki/2024_Malakal_Airport_collision

   On 9 February 2024, a McDonnell Douglas MD-82 registered 5Y-AXL and operated by African Express Airways crashed in similar circumstances as the Safe Air Boeing 727 did at Malakal Airport, South Sudan; the aircraft touched down short of the runway and lost its landing gear, before coming to a stop on its belly. It was later removed from the ...

4. Uncontrolled decompression - Wikipedia

   en.wikipedia.org/wiki/Uncontrolled_decompression

   Decompression incidents do not occur solely in aircraft; the Byford Dolphin accident is an example of violent explosive decompression of a saturation diving system on an oil rig. A decompression event is often the result of a failure caused by another problem (such as an explosion or mid-air collision), but the decompression event may worsen ...

5. Oil pump (internal combustion engine) - Wikipedia

   en.wikipedia.org/wiki/Oil_pump_(internal...

   Particles in the oil can also cause serious problems with oil pressure. After oil flows through the engine, it returns to the oil pan, and can carry along a lot of debris. The debris can cause problems with the oil pickup screen and the oil pump itself. The holes in the oil pickup screen measure about 0.04 square inches (0.26 cm 2). [6]

6. China renamed its homegrown regional airliner to better sell ...

   www.aol.com/news/china-renamed-homegrown...

   The C909 has been compared to planes like the Boeing 717 and the McDonnell Douglas MD-80, but its closest in-service competitor is Embraer's E190-E2. China renamed its homegrown regional airliner ...

7. List of accidents and incidents involving the Boeing 727

   en.wikipedia.org/wiki/List_of_accidents_and...

   March 18, 2002: A Varig 727-100 freighter, registration PP-VLV, operating Flight 9051 from Salvador, ran off the side of the runway when landing at Tancredo Neves International Airport near Belo Horizonte, Brazil. Damage was sustained to the left main landing gear, nose landing gear, forward fuselage belly, left engine, and left wing and flaps.

8. Boeing 727 - Wikipedia

   en.wikipedia.org/wiki/Boeing_727

   The 727 is one of the noisiest commercial jetliners, categorized as Stage 2 by the U.S. Noise Control Act of 1972, which mandated the gradual introduction of quieter Stage 3 aircraft. The 727's JT8D jet engines use older low-bypass turbofan technology, whereas Stage 3 aircraft use the more efficient and quieter high-bypass turbofan design. When ...

9. McDonnell Douglas DC-9 - Wikipedia

   en.wikipedia.org/wiki/McDonnell_Douglas_DC-9

   The MD-80 series was further developed into the third generation, the MD-90 series, in the early 1990s. It has yet another fuselage stretch, an electronic flight instrument system (first introduced on the MD-88), and completely new International Aero V2500 high-bypass turbofan engines. In comparison to the very successful MD-80, relatively few ...