While paper QRH binders remain a permanent fixture in 737 cockpits as a failsafe, modern aviation has largely transitioned to the Electronic Flight Bag (EFB).
In the high-stakes environment of commercial aviation, seconds matter. When an alarm bell sounds in the cockpit of a Boeing 737-800, the pilot’s brain does not have time to scan through heavy maintenance manuals or full system schematics. Instead, the pilot’s hand moves instinctively to a specific, battered, and tabbed document stowed in a side pocket: the .
: Unlike memory items, some critical lists like the Evacuation Checklist are strictly "read and do" to prevent errors in high-pressure ground scenarios.
General guidelines and table of contents. boeing 737-800 qrh quick reference handbook
: For critical emergencies, pilots first perform "Memory Items" (actions done without a book).
This tells you the condition.
The PM shouts: "I have the QRH, Engine Fire checklist." They flip to the Tabbed "Memory Items" section, confirm the memory actions are done, then proceed to the Non-Normal checklist titled "Engine Fire or Engine Severe Damage." While paper QRH binders remain a permanent fixture
Managing the loss of primary power or fluid systems. How Pilots Use the QRH
It is not just a handbook. It is the difference between a bad day and a catastrophe.
: The Pilot Monitoring (PM) reads the checklist aloud, while the PF confirms actions before they are taken to ensure safety and accuracy. Instead, the pilot’s hand moves instinctively to a
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In-flight landing distance calculations, go-around performance, and fuel mismanagement tables. Why the QRH is Vital for 737-800 Operations
The crew executes the memory items first. Once the aircraft trajectory is stabilized, the Pilot Flying (PF) will command: "QRH [Checklist Name] Checklist." Phase 2: Reference Checklists