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Boeing is haunted by a 50-year-old feature of 737 jets

First introduced in West Germany as a short-hop commuter jet in the early Cold War, the Boeing 737-100 had folding metal stairs attached to the fuselage that passengers climbed to board before airports had jetways. ( Mehr...

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Bob Plested 4
Metal folding stairs, APU, ability to use limited load bearing runways and aprons. Targeted for use at austere airfields, unlike the 707.

At least as late as 2011 you could get the stairs as an option. There's a closeout plate on the fuselage below the boarding door if you pass on the option.
Iain Robertson 2
Lufthansa launched Boeing 737-100 service on 10th February, 1968. "...early Cold War"? Cold War officially was from 1947 to 1991. Additionally, the article states "Ground crews hand-lifted heavy luggage into the cargo holds in those days, long before motorized belt loaders were widely available."?
Motorized belt luggage loaders were common place in 1958.
The integral air-stair performed well in surface temperatures as low as -38C. Otherwise, a fair news article.
Tim ONeill 1
I read where there is an option to have dual AOA sensors, which are on most of the US fleet and would identify a failed sensor. Both accident aircraft only had one AOA sensor.

Pilot training is an obvious issue as well as it is reported the Lion Air jet had an identical incident the day before where a jumpseat pilot instructed the crew how to disconnect so some pilots do know how to respond.

Also read that engineers within FAA certification were concerned that the aerodynamics of the MAX-8 were sufficiently different to warrant a new type certificate instead of adding it to the existing TC. The ODA process is also going to come under scrutiny here.
cyberjet 1
The 737 MAX comes with two AOA sensors. The problem is Boeing chose to take information for the MCAS from the Captain's side AOA only.
Tim ONeill 1
Thanks for correction. Expect an AD to add the disagree indjcator.
ferminbf 1
I wouldn’t say so because latest version of B737s like 900ER or MAX and first B737-100s or 200s only have in common “737”. Besides “737” I don’t think there is much more.
Please, correct me if I’m wrong.


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