[GUEST ACCESS MODE: Data is scrambled or limited to provide examples. Make requests using your API key to unlock full data. Check https://lunarcrush.ai/auth for authentication information.]  aircraftmaintenancengineer [@airmainengineer](/creator/twitter/airmainengineer) on x 31.7K followers Created: 2025-07-15 18:00:00 UTC The Engine Start Levers or Fuel Cut off switches (different name, same switches) control the fuel and ignition for the engines. The XXX shares the same switches and very similar logic to the Boeing XXX Max. The switches have been designed in such a way that they require a very deliberate movement in order for them to move from one position to another. They’re also placed in such a position (below the thrust levers) so that it’s very unlikely that they’ll be knocked. But even if they were, the spring force and detent would prevent them from moving unintentionally. When we move the start levers from the “Run” or “Idle” position, to “Cutoff”, an electrical signal is sent to move the fuel valves from open to close. The engine ignitors are also then de-powered. This stops the supply and ignition of fuel and the engine spools down. Pilots are trained from day one to only touch those switches in flight when called for by a non normal checklist, such as an engine fire or failure. When a fuel switch has to be moved to cutoff in flight, we adhere to a very strict procedure… Pilot monitoring will place their hand on the switch of the damaged engine and both visually and audibly confirm with Pilot flying that the correct fuel switch has been selected. Only after both pilots have confirmed that the correct switch has been selected, will pilot monitoring move that switch to the cutoff position. As an additional layer of safety, some aircraft types only allow the switch to be moved to cutoff in flight if the thrust levers are in the closed or idle position. Do you think that this design feature should be implemented in all aircraft? 📸 by ig/airlinepilotperformance  XXXXXXX engagements  **Related Topics** [stocks](/topic/stocks) [$ba](/topic/$ba) [stocks industrials](/topic/stocks-industrials) [stocks defense](/topic/stocks-defense) [Post Link](https://x.com/airmainengineer/status/1945181569271955603)
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aircraftmaintenancengineer @airmainengineer on x 31.7K followers
Created: 2025-07-15 18:00:00 UTC
The Engine Start Levers or Fuel Cut off switches (different name, same switches) control the fuel and ignition for the engines.
The XXX shares the same switches and very similar logic to the Boeing XXX Max.
The switches have been designed in such a way that they require a very deliberate movement in order for them to move from one position to another.
They’re also placed in such a position (below the thrust levers) so that it’s very unlikely that they’ll be knocked.
But even if they were, the spring force and detent would prevent them from moving unintentionally.
When we move the start levers from the “Run” or “Idle” position, to “Cutoff”, an electrical signal is sent to move the fuel valves from open to close.
The engine ignitors are also then de-powered.
This stops the supply and ignition of fuel and the engine spools down.
Pilots are trained from day one to only touch those switches in flight when called for by a non normal checklist, such as an engine fire or failure.
When a fuel switch has to be moved to cutoff in flight, we adhere to a very strict procedure…
Pilot monitoring will place their hand on the switch of the damaged engine and both visually and audibly confirm with Pilot flying that the correct fuel switch has been selected.
Only after both pilots have confirmed that the correct switch has been selected, will pilot monitoring move that switch to the cutoff position.
As an additional layer of safety, some aircraft types only allow the switch to be moved to cutoff in flight if the thrust levers are in the closed or idle position.
Do you think that this design feature should be implemented in all aircraft?
📸 by ig/airlinepilotperformance
XXXXXXX engagements
Related Topics stocks $ba stocks industrials stocks defense