Once the immediate memory items are complete and the flight path is stabilized, the PM opens the QRH to and locates the Engine Fire or Severe Damage/Separation checklist. Step 4: Read and Do
An uneasy hum through the cockpit—noises you learned to listen for—announced a subtle vibration from the left engine. Jonas frowned. “Hold it,” he said. The flight attendants’ chimes were soft in the background, the cabin lights dimmed in anticipation of pushback, but the aircraft was still tucked into gate shelter.
(Engine failures, stalls, overspeeds)
A real Boeing 737-800 QRH is meticulously organized to minimize stress during high-workload situations:
A concise explanation of what the checklist intends to accomplish. boeing 737-800 qrh quick reference handbook
Airlines like Ryanair began eliminating 15 kilograms of paper manuals from each cockpit, replacing them with iPads. Boeing itself has developed the Boeing Interactive QRH (IQRH) app, a freeware mobile solution available on the App Store. It provides electronic access to all normal and non-normal checklists and performance tables, with features such as:
Clicking an illuminated warning light flag on an EFB screen instantly brings up the correct checklist. Once the immediate memory items are complete and
For the Boeing 737-800—one of the most produced airliners in history, flown by carriers from Southwest to Ryanair—the QRH is standardized but often customized with specific airline policy sections.