: Often located on the back cover for routine reference during standard flight phases. Checklist Execution Process
(System A, B, or Standby pump failures).
Crews must look beyond the checklist to assess the big picture, such as structural airframe health, weather at destination, and fuel status.
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Complete Guide to the Boeing 737-800 Quick Reference Handbook (QRH)
Many QRH checklists end with operational restrictions, such as disabling a system or requiring a specific landing flap setting. The crew then uses the Performance Inflight section to recalculate their target landing speed ( VREFcap V sub cap R cap E cap F end-sub
A concise statement explaining what the checklist aims to achieve, such as isolating a faulty system or configuring the aircraft for a safe landing. : Often located on the back cover for
A solid black outline enclosing the initial steps. Any step inside this box must be done from memory.
. It is a stand-alone document, often found in the First Officer's side pocket, and is structured for extreme speed and clarity. The Story of the QRH: A Pilot's Guardian
The Pilot Flying maintains control of the pitch, bank, and airspeed. Safety always starts with basic airmanship. Any step inside this box must be done from memory
: Holding the control column firmly and cutting off the stabilizer trim switches. Reference Checklists
Before the emergency checklists, the QRH includes critical inflight performance data. This section provides data for non-normal configurations, such as: Landing distances with failed flaps or brakes. Engine-out cruise altitudes and fuel burn adjustments. Severe weather and icing penalties. System-Specific Checklists
: For an Engine Fire or Severe Engine Damage , the pilots must immediately close the affected thrust lever, pull the fuel control switch, and discharge the fire bottle from memory.
This section contains procedures for issues that do not trigger a specific warning light, such as a , maximum altitude restriction , or ditching . 4. Performance Inflight Data
Critical, irreversible steps—such as shutting down an engine or cutting fuel—require the Pilot Monitoring to point to the control, ask for confirmation, and wait for the Pilot Flying to verbally agree before moving the switch.