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Boeing 737-800 (iFly) Emergency Procedures
Immediate Action Procedures
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12 procedures
- 1Oxygen MasksDON AND SET REGULATORS TO 100%
- 2Crew CommunicationsESTABLISH
- 3Pressurization Mode SelectorMAN
- 4Outflow VALVE Switch - HOLD IN CLOSE UNTIL THE OUTFLOW VALVE INDICATION SHOWS FULLY CLOSED
- 5If cabin altitude is uncontrollable: Passenger Signs - ON, PASS OXYGEN Switch - ON, then go to the Emergency Descent checklist
- 6If cabin altitude is controllable: continue manual operation; oxygen masks may be removed at or below 10,000 ft cabin altitude
- 7Then go to QRH Ch. 2
- 1Flight Attendants and ATCADVISE OF THE EMERGENCY DESCENT
- 2Passenger SignsON
- 3Without delay, descend to the lowest safe altitude or 10,000 ft, whichever is higher
- 4ENGINE START Switches (both)CONT
- 5Thrust Levers (both)REDUCE THRUST TO MINIMUM OR AS NEEDED FOR ANTI-ICE
- 6SpeedbrakeFLIGHT DETENT
- 7Target Speed - MMO/VMO (limit speed if structural integrity is in doubt)
- 8When approaching level off: lower the SPEED BRAKE lever to DOWN, add thrust and stabilize
- 9Crew Oxygen Regulators - NORMAL (crew must use oxygen above 10,000 ft cabin altitude)
- 1Control ColumnHOLD FIRMLY
- 2Autopilot (if engaged)DISENGAGE (do not re-engage)
- 3Autothrottle (if engaged)DISENGAGE (do not re-engage)
- 4Control aircraft pitch attitude manually with control column and main electric trim as needed
- 5If the runaway continues after the autopilot is disengaged: STAB TRIM CUTOUT switches (both) - CUTOUT
- 6If the runaway continues: Stabilizer Trim WheelGRASP AND HOLD
- 7StabilizerTRIM MANUALLY, anticipate trim requirements
- 8Then go to QRH Ch. 9
- 1Autopilot (if engaged)DISENGAGE
- 2Autothrottle (if engaged)DISENGAGE
- 3F/D Switches (both)OFF
- 4Flaps Extended10 DEG AND 80% N1 (gear up)
- 5Flaps Up4 DEG AND 75% N1 (gear up)
- 6Then go to QRH Ch. 10
- 1Autothrottle (if engaged)DISENGAGE
- 2Thrust Lever (affected engine)CONFIRM, CLOSE
- 3Engine Start Lever (affected engine)CONFIRM, CUTOFF
- 4Engine Fire Switch (affected engine) - CONFIRM, PULL (press the override and pull to unlock manually)
- 5If the engine fire switch or ENG OVERHEAT light is illuminated: Engine Fire Switch - ROTATE TO THE STOP AND HOLD FOR 1 SECOND
- 6If after 30 sec the switch or ENG OVERHEAT light stays illuminated: Engine Fire Switch - ROTATE TO THE OTHER STOP AND HOLD FOR 1 SECOND
- 7Then go to QRH Ch. 8
- 1Autothrottle (if engaged)DISENGAGE
- 2Thrust Lever (affected engine)CONFIRM, CLOSE
- 3If the ENG OVERHEAT light stays illuminated - GO TO THE ENGINE FIRE OR ENGINE SEVERE DAMAGE OR SEPARATION CHECKLIST
- 4If the ENG OVERHEAT light extinguishes - RUN THE ENGINE AT REDUCED THRUST TO KEEP THE LIGHT EXTINGUISHED
- 5Then go to QRH Ch. 8
- 1ENGINE START Switches (both)FLT
- 2Engine Start Levers (both)CUTOFF
- 3When EGT decreases: Engine Start Levers (both)IDLE DETENT
- 4If EGT reaches a redline or there is no increase in EGT within 30 sec: Start Lever (affected engine) - CONFIRM, CUTOFF, THEN IDLE DETENT
- 5Note: if the aircraft reverts to standby power there are no MMO/VMO protections
- 6Then go to QRH Ch. 7
- 1Autothrottle (if engaged)DISENGAGE
- 2Thrust Lever (affected engine) - CONFIRM, RETARD UNTIL ENGINE INDICATIONS STAY WITHIN LIMITS OR THE THRUST LEVER IS CLOSED
- 3Then go to QRH Ch. 7
- 1APU Fire Switch - CONFIRM, PULL, ROTATE TO THE STOP AND HOLD FOR 1 SECOND
- 2APU SwitchOFF
- 3Then go to QRH Ch. 8
- 1Engine Start Lever (affected engine)CUTOFF
- 2Then go to QRH Ch. 7
- 1A diversion may be needed
- 2Oxygen MasksDON AND SET REGULATORS TO 100%
- 3Smoke GogglesDON AS NEEDED
- 4Then go to QRH Ch. 8
- 1In flight above 10,000 ft with the intermittent horn or a CABIN ALTITUDE light: Oxygen Masks - DON, REGULATORS 100%
- 2Crew CommunicationsESTABLISH
- 3Go to the CABIN ALTITUDE WARNING or Rapid Depressurization checklist
- 4On the ground with the intermittent horn or a TAKEOFF CONFIG light when advancing the thrust levers to takeoff thrust: ENSURE CORRECT AIRCRAFT TAKEOFF CONFIGURATION
FLIGHT2.23.0Checklist
Boeing 737-800 (iFly)MSFS 2024 · Emergency Procedures · 12procedures · 64 steps
Cabin Altitude Warning or Rapid Depressurization7 steps
| 01 | Oxygen MasksDON AND SET REGULATORS TO 100% | |
| 02 | Crew CommunicationsESTABLISH | |
| 03 | Pressurization Mode SelectorMAN | |
| 04 | Outflow VALVE Switch - HOLD IN CLOSE UNTIL THE OUTFLOW VALVE INDICATION SHOWS FULLY CLOSED | |
| 05 | If cabin altitude is uncontrollable: Passenger Signs - ON, PASS OXYGEN Switch - ON, then go to the Emergency Descent checklist | |
| 06 | If cabin altitude is controllable: continue manual operation; oxygen masks may be removed at or below 10,000 ft cabin altitude | |
| 07 | Then go to QRH Ch. 2 |
Emergency Descent9 steps
| 01 | Flight Attendants and ATCADVISE OF THE EMERGENCY DESCENT | |
| 02 | Passenger SignsON | |
| 03 | Without delay, descend to the lowest safe altitude or 10,000 ft, whichever is higher | |
| 04 | ENGINE START Switches (both)CONT | |
| 05 | Thrust Levers (both)REDUCE THRUST TO MINIMUM OR AS NEEDED FOR ANTI-ICE | |
| 06 | SpeedbrakeFLIGHT DETENT | |
| 07 | Target Speed - MMO/VMO (limit speed if structural integrity is in doubt) | |
| 08 | When approaching level off: lower the SPEED BRAKE lever to DOWN, add thrust and stabilize | |
| 09 | Crew Oxygen Regulators - NORMAL (crew must use oxygen above 10,000 ft cabin altitude) |
Runaway Stabilizer8 steps
| 01 | Control ColumnHOLD FIRMLY | |
| 02 | Autopilot (if engaged)DISENGAGE (do not re-engage) | |
| 03 | Autothrottle (if engaged)DISENGAGE (do not re-engage) | |
| 04 | Control aircraft pitch attitude manually with control column and main electric trim as needed | |
| 05 | If the runaway continues after the autopilot is disengaged: STAB TRIM CUTOUT switches (both) - CUTOUT | |
| 06 | If the runaway continues: Stabilizer Trim WheelGRASP AND HOLD | |
| 07 | StabilizerTRIM MANUALLY, anticipate trim requirements | |
| 08 | Then go to QRH Ch. 9 |
Airspeed Unreliable6 steps
| 01 | Autopilot (if engaged)DISENGAGE | |
| 02 | Autothrottle (if engaged)DISENGAGE | |
| 03 | F/D Switches (both)OFF | |
| 04 | Flaps Extended10 DEG AND 80% N1 (gear up) | |
| 05 | Flaps Up4 DEG AND 75% N1 (gear up) | |
| 06 | Then go to QRH Ch. 10 |
Engine Fire or Engine Severe Damage or Separation7 steps
| 01 | Autothrottle (if engaged)DISENGAGE | |
| 02 | Thrust Lever (affected engine)CONFIRM, CLOSE | |
| 03 | Engine Start Lever (affected engine)CONFIRM, CUTOFF | |
| 04 | Engine Fire Switch (affected engine) - CONFIRM, PULL (press the override and pull to unlock manually) | |
| 05 | If the engine fire switch or ENG OVERHEAT light is illuminated: Engine Fire Switch - ROTATE TO THE STOP AND HOLD FOR 1 SECOND | |
| 06 | If after 30 sec the switch or ENG OVERHEAT light stays illuminated: Engine Fire Switch - ROTATE TO THE OTHER STOP AND HOLD FOR 1 SECOND | |
| 07 | Then go to QRH Ch. 8 |
Engine Overheat5 steps
| 01 | Autothrottle (if engaged)DISENGAGE | |
| 02 | Thrust Lever (affected engine)CONFIRM, CLOSE | |
| 03 | If the ENG OVERHEAT light stays illuminated - GO TO THE ENGINE FIRE OR ENGINE SEVERE DAMAGE OR SEPARATION CHECKLIST | |
| 04 | If the ENG OVERHEAT light extinguishes - RUN THE ENGINE AT REDUCED THRUST TO KEEP THE LIGHT EXTINGUISHED | |
| 05 | Then go to QRH Ch. 8 |
Loss of Thrust on Both Engines6 steps
| 01 | ENGINE START Switches (both)FLT | |
| 02 | Engine Start Levers (both)CUTOFF | |
| 03 | When EGT decreases: Engine Start Levers (both)IDLE DETENT | |
| 04 | If EGT reaches a redline or there is no increase in EGT within 30 sec: Start Lever (affected engine) - CONFIRM, CUTOFF, THEN IDLE DETENT | |
| 05 | Note: if the aircraft reverts to standby power there are no MMO/VMO protections | |
| 06 | Then go to QRH Ch. 7 |
Engine Limit or Surge or Stall3 steps
| 01 | Autothrottle (if engaged)DISENGAGE | |
| 02 | Thrust Lever (affected engine) - CONFIRM, RETARD UNTIL ENGINE INDICATIONS STAY WITHIN LIMITS OR THE THRUST LEVER IS CLOSED | |
| 03 | Then go to QRH Ch. 7 |
APU Fire3 steps
| 01 | APU Fire Switch - CONFIRM, PULL, ROTATE TO THE STOP AND HOLD FOR 1 SECOND | |
| 02 | APU SwitchOFF | |
| 03 | Then go to QRH Ch. 8 |
Aborted Engine Start2 steps
| 01 | Engine Start Lever (affected engine)CUTOFF | |
| 02 | Then go to QRH Ch. 7 |
Smoke, Fire or Fumes4 steps
| 01 | A diversion may be needed | |
| 02 | Oxygen MasksDON AND SET REGULATORS TO 100% | |
| 03 | Smoke GogglesDON AS NEEDED | |
| 04 | Then go to QRH Ch. 8 |
Warning Horn or Warning Light - Cabin Altitude or Takeoff Configuration4 steps
| 01 | In flight above 10,000 ft with the intermittent horn or a CABIN ALTITUDE light: Oxygen Masks - DON, REGULATORS 100% | |
| 02 | Crew CommunicationsESTABLISH | |
| 03 | Go to the CABIN ALTITUDE WARNING or Rapid Depressurization checklist | |
| 04 | On the ground with the intermittent horn or a TAKEOFF CONFIG light when advancing the thrust levers to takeoff thrust: ENSURE CORRECT AIRCRAFT TAKEOFF CONFIGURATION |