Airlines can update the digital handbook faster than printing new physical copies. Conclusion
Instead of manually scanning complex grid charts to figure out landing distances, pilots plug variables (weather, weight, flap setting) directly into the EFB to get automated, error-free results.
Crew immediately dons oxygen masks and establishes crew communications.
The final sections of the QRH contain performance data tables. If an emergency forces a landing with an abnormal configuration—such as trailing edge flaps jammed at Flaps 15—the pilot uses these tables to calculate the exact increased landing distance required.
Historically, the QRH was a paper binder, updated every few months by swapping pages—a tedious but critical process. Today, most airlines use an , often on an iPad using apps like Boeing’s Toolbox or airline-customized software. boeing 737-800 qrh quick reference handbook
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 .
The most critical part of any 737-800 QRH is the section. For many emergencies, the QRH explicitly states: “Immediate Action is required. Complete the Memory Items before referring to the QRH.”
This section contains procedures for critical, time-sensitive situations (e.g., Engine Fire, Rapid Depressurization).
Airlines do not just hand pilots the and send them flying. Simulator training is brutal and repetitive. Pilots practice "The Golden Rule": Airlines can update the digital handbook faster than
Certain emergencies happen too fast to allow pilots time to open a book. Memory items are critical steps that the flight crew must memorize perfectly and execute immediately from memory. Examples of 737-800 Memory Items include:
The QRH is divided into logical sections to ensure quick navigation. While specific airline operators may customize their checklists, the standard Boeing 737-800 QRH typically includes: 1. Introduction and General Procedures
Once airborne, climbing through the cloudbank, Lisbon’s lights still hours away, Jonas asked, “Ever think about what it would be like without it—no checklists, just seat-of-the-pants?”
As technology has advanced, the physical paper QRH has, in many airlines, been replaced or supplemented by an within the Electronic Flight Bag (EFB). The eQRH offers advantages like: The final sections of the QRH contain performance
The Boeing 737-800 QRH (Quick Reference Handbook): A Pilot's Essential Guide
Alphabetical or system-based index (Air Conditioning, APU, Autoflight, Communications). If the QRH is digital (iPad), hyperlinks jump directly here.
For non-time-critical anomalies (e.g., a single hydraulic system failure or an amber master caution light), the crew stabilizes the aircraft first. The Pilot Monitoring (PM) then opens the QRH, finds the correct tab, reads each step aloud, and verifies the action with the Pilot Flying before flipping any switches. Key Features of a QRH Checklist