HackerTube

THE VIDEO SHELF · boeing 737 stabilizer trim

Boeing 737 Unable to Trim!! Cockpit video (Full flight sim)

Mentour Pilot, a 737 captain, demonstrates in a full flight simulator why a Boeing 737 can become impossible to trim manually at high speed. He explains the jackscrew forces and the roller-coaster manoeuvre.

Why HN readers recommended it

HN pointed to it during the 737 MAX discussions to show how hard manual trim is when severely out of trim.

This is a summary from the source dataset, not an endorsement by Hacker News or the video creator.

Video & recommendation details

Creator / channel
Mentour Pilot
Topic
boeing 737 stabilizer trim
Format
demo
Level
intermediate
HN recommenders in dataset
3
HN mentions in dataset
14
Recommendation years in dataset
2019–2022

These counts and years describe the included Hacker News records; they are not YouTube views or the video’s publication date.

From the original HN conversations

Excerpts from the recorded comments. Follow each source for the full comment and surrounding discussion.

  • Well, the "Stabilizer wheel - grasp and hold" item of the procedure doesn't necessarily mean the crew will be able to override it. That's the last ditch option on the checklist, when everything else has failed, even turning the motors off (there could be e.g. …

    janoc on Hacker News · 2019-05
    In Ethiopian Max Crash Simulator Scenario Stuns Pilots
  • This video by a 737-NG captain shows the kind of forces you get: [VIDEO] It is not MAX but the systems are identical. That's why it is so essential to recognize and stop the runaway trim (for whatever reason) ASAP or you could get into …

    janoc on Hacker News · 2019-05
    In Ethiopian Max Crash Simulator Scenario Stuns Pilots
  • Depends on the aircraft. Some modern jetliners are using fly-by-wire, while others have hydraulically-boosted controls. Some still rely on cable-and-pulley. Either way, as I understand, it wouldn't matter with the MCAS-related MAX aircraft crashes. The elevator trim is able to move the entire elevator (literally, …

    Zancarius on Hacker News · 2019-05
    In Long Before Boeing 737 Max Crash, Ethiopian Air Pilot Warned of Dangers

Summaries, classifications and recommendation records are from the HackerTube source dataset. Read about this library and its limitations.