The QRH is a condensed, binder-formatted manual kept within arm's reach of both the Captain and First Officer. It contains structured checklists for system failures, cockpit alerts, and emergency maneuvers. Flight crews use it to systematically troubleshoot issues after stabilizing the aircraft. Core Purpose
If the emergency threatens immediate safety (such as a or Runaway Stabilizer ), the crew performs the memory items immediately. Once completed, the PM opens the QRH to verify that every memory step was done correctly. Step 4: Open and Read the QRH
Used to calculate aircraft performance during non-normal situations, such as landing distance required with inoperative brakes or flaps. 5. Checklists for Normal Operations
Contains tables and charts for calculating landing distances or fuel requirements under degraded aircraft conditions.
In the modern era, most airlines have transitioned to the . A digital 737-800 QRH allows for: