737 Flight Crew Operations Manual. Copyright © The Boeing Company. See title page for details. D6-27370-804-BRI(P2). Lights.Index. All African Airways
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Examples of common QRH entries (explanatory)
When a system fails, master caution lights illuminate, or an engine loses power, the flight crew does not troubleshoot from memory or guess a solution. They stabilize the aircraft and immediately turn to the QRH to execute the exact, manufacturer-approved steps required to safely mitigate the issue. 2. Structure and Organization: Anatomy of the QRH boeing 737800 qrh quick reference handbook
The core of the handbook is organized by aircraft systems. Standard chapters include Chapter 1 (Airplane General), Chapter 7 (Engines and APU), Chapter 9 (Flight Controls), and Chapter 15 (Warnings).
For non-time-critical failures—such as a single hydraulic pump overheat or a minor electrical bus failure—the crew skips memory items entirely. They systematically locate the corresponding tab in the QRH and read each step aloud before manipulating any switch. 4. Human Factors and Design of the QRH
(Engine, APU, cargo, or wheel well fire indications). 737 Flight Crew Operations Manual
For non-time-critical failures (e.g., a single hydraulic system pressure loss or an amber system light), the crew uses the method. One pilot flies the aircraft (Pilot Flying) while the other reads the checklist aloud and executes the steps (Pilot Monitoring). Anatomy of a QRH Checklist
As a crucial component of a Boeing 737-800 aircraft, the Quick Reference Handbook (QRH) serves as a vital resource for pilots during emergency situations. The QRH provides a concise and easily accessible guide for handling abnormal and emergency conditions, ensuring the safe operation of the aircraft. In this article, we will delve into the details of the Boeing 737-800 QRH, exploring its significance, contents, and usage.
Key purposes
The QRH’s primary objective is safety: to provide flight crews with immediate, authoritative checklists and procedural flows for abnormal and emergency conditions so they can restore or maintain a safe flight state. Whereas the aircraft Flight Crew Operating Manual (FCOM) and comprehensive training materials develop deep system understanding, the QRH is deliberately concise and action-focused. It is used in conjunction with airline SOPs and crew resource management (CRM) principles.
Digital QRHs offer significant safety advantages. When a fault occurs, pilots can type keywords or error codes into the EFB to display the exact checklist instantly. Advanced eQRH software automatically filters performance data based on current weather and aircraft weight, calculating precise non-normal landing distances without requiring manual cross-referencing of paper charts. Crew Resource Management (CRM) and QRH Utilization
This section provides the standardized flows and checklists for all phases of a routine flight. It is used from the initial cockpit preparation and preflight checks to engine start, taxi, takeoff, climb, cruise, descent, approach, landing, and securing the aircraft. While pilots are expected to perform many actions from memory as part of Standard Operating Procedures (SOPs), the Normal Checklists section in the QRH serves as a final verification tool to ensure no steps have been missed. D6-27370-804-BRI(P2)
The keyword here is quick . The QRH is indexed by the or the fault name , allowing a pilot to go from a Master Caution chime to a checklist in under ten seconds.
When a master caution illuminates, an engine fails, or cabin pressure drops, pilots do not rely on memory or guesswork. Instead, they turn to the . This manual provides a highly structured, battle-tested framework that transforms a high-stress emergency into a methodical, step-by-step checklist procedure. Anatomy and Layout of the 737-800 QRH