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Contents

Illustrated technical information covering Vol 2 Over 800 multi-choice systems questions Study notes and technical information Close up photos of internal and external components A compilation of links to major 737 news stories with a downloadable archive Illustrated history and description of all variants of 737 Detailed tech specs of every series of 737 Databases and reports of all the major 737 accidents & incidents General flightdeck views of each generation of 737's Description & news reports of Advanced Blended Winglets Press reports of orders and deliveries A collection of my favourite photographs that I have taken of or from the 737 Details about 737 production methods A compilation of links to other sites with useful 737 content Get the book of the website A quick concise overview of the pages on this site

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Introduction

In 2005 Boeing took a big step and redesigned the entire Normal Procedures for all their Seattle models. This has created a major upheaval for airlines, training departments and pilots, but the belief is that it will be worth the effort. The following page describes the changes as applicable to the 737 and the reasons behind them. Chris Brady

Contents

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*** Updated 16 Sep 2016 ***

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Why the Change?

The evolution of checklists has not always kept pace with equipment, pilot responsibilities & operational environment.

Acting in response to enquiries from airlines why operating procedures were different from type to type and also in response to initiatives from regulatory authorities from around the world.

The intent of the initiatives was to improve safety, especially by reducing runway incursions during ground operations.

The changes are to improve safety, efficiency and economy. Incorporate lessons learned, standardising across models and taking the best practices from each. This leads to a more even distribution of pilot workload, streamlined checklists and more flexible procedures to allow for the increased complexity of today's operational environment.

 

Specific Changes

Exterior Inspection

The old exterior inspection checklist was organised system by system. Now it gives a detailed inspection route allowing items to be checked in order of their location. It also allows for items at each location to be checked in any sequence at the pilots discretion.

Areas of responsibility

The areas of responsibility have been redistributed and the scan flows have been changed accordingly. In the new scan flow, the Captain is now only responsible for those the areas that relate to the control and navigation of the aircraft ie the MCP, his flight instruments, throttle quadrant and trimmers; while the F/O is responsible for all the rest including the entire overhead panel.

Once the aircraft is taxying or flying the Pilot Flying (PF) is now responsible for those the areas that relate to the control and navigation of the aircraft. The Pilot Monitoring (PM) is responsible for all the rest. Both pilots share the responsibility for engine thrust and monitoring and the fire panel.

Notice the Pilot Not Flying is now called Pilot Monitoring.

New Normal Checklists

The checklists have been given a "tighter focus" by eliminating several items. Note that these items still have to be done, but to simplify the checklists only the critical items have been retained, primarily those related to safety.

A new Pre-Flight checklist has been created that includes many of the items from the old Before Start checklist. "Autobrake" has been moved to the new Before Taxi checklist. "Stab trim" and "Taxi and take-off briefing" has been moved to the Before Start checklist. The After Start checklist has been eliminated with many of its items moving to the new Before Taxi checklist. Many of the old Before Take-off items have moved to Before Taxi. This leaves only "Flaps" in the Before Take-off checklist.

These changes minimise the number of tasks to be accomplished during taxying. The aim is to improve situational awareness and reduce missed radio calls & runways incursions.

Preliminary Preflight Procedure

Now assumes that electrical power (GPU) is established, a supplementary procedure is provided in case electrical power is not established. Some items have been identified that do not need to be checked every flight unless there has been a crew change or maintenance action eg Flight recorder, Mach airspeed warning & Stall warning.

Preflight Procedure

The FMC can now be programmed after the preliminary preflight procedure. The initial and route data entry should be completed before the flight instrument check and the performance data entry should be entered before the before start checklist. Either pilot can make the FMC entries but the other pilot must verify them.

Note that the F/O manages the whole overhead panel and that the fuel and hydraulic pumps remain off until you are ready to start the engines. The fire test is only required on the first flight of the day or after a crew change.

The preflight checklist has been considerably shortened to include only the critical items.

Before Start Procedure

When the loadsheet is received its data entered into the FMC, V2 is then entered into the MCP and the autothrottle armed. LNAV may be selected. The Before Start procedure now includes some items previously done during taxy. The pushback procedure is now built into Before Start this is where the fuel and hydraulic pumps are switched on, now that they are needed.

For engine start, the F/O moves the start switches at the Captains instruction, but the Captain still moves the start levers. The "Oil pressure rising" call has been eliminated.

Before Taxi Procedure

After the ground crew have disconnected, the Captain performs a control check. The F/O selects take-off flap, and does the overhead panel, including start switches for take-off and checks the master caution system. The Before Taxi checklist is then read by the F/O.

Before Take-off Procedure

The checklist is now only a check of flap position, in case they were retracted for taxying to prevent contamination, moved for de-icing or needed to be re-positioned due to a change in runway or conditions whilst taxying.

After Take-off Procedure

Due to numerous cases of pressurisation problems caused by incorrect settings, the After Take-off checklist now specifically calls for "engine bleeds ON" and "packs to AUTO". (Note that these items are done, read and responded to by PM.)

Descent and Approach Procedures

The Descent and Approach checklists have been separated to minimise pilot workload during the critical phases of flight. "Autobrakes" have been added to the descent checklist. To accommodate different transition altitudes around the world, the only approach checklist item is "altimeter".

Landing and Shutdown Procedures

Are almost unchanged.

 

Summary

The normal procedures are now more consistent across all the Seattle models. Responsibilities have been redistributed to better align them with the roles the pilots are performing. Items have been re-sequenced to minimise workload at critical times and have retained only those items which are necessary for crew to perform.

 

Checklists

Old Normal Checklists (Pre 2005)

New Normal Checklists (2005 onwards)

BEFORE START
FLIGHT DECK PREPARATION. . . . . . . . . . . . . . . COMPLETED
LIGHT TEST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . CHECKED
OXYGEN & INTERPHONE . . . . . . . . . . . . . . . . . . . . CHECKED
YAW DAMPER. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .ON
NAVIGATION TRANSFER AND
DISPLAY SWITCHES . . . . . . . . . . . . . . . . . . AUTO & NORMAL
FUEL . . . . . . . . . . . . . . . . . . . . . . . . . ._____KGS & PUMPS ON
GALLEY POWER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .ON
EMERGENCY EXIT LIGHTS. . . . . . . . . . . . . . . . . . . . . .ARMED
PASSENGER SIGNS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .SET
WINDOW HEAT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .ON
HYDRAULICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . NORMAL
AIR COND & PRESS. . . . . . . .___ PACK(S), BLEEDS ON, SET
AUTOPILOTS . . . . . . . . . . . . . . . . . . . . . . . . . . . DISENGAGED
INSTRUMENTS . . . . . . . . . . . . . . . . . . . . . . . . . . . .X-CHECKED
AUTOBRAKE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .RTO
SPEED BRAKE . . . . . . . . . . . . . . . . . . . . . . . . . DOWN DETENT
PARKING BRAKE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .SET
STABILIZER TRIM CUTOUT SWITCHES. . . . . . . . . . NORMAL
WHEEL WELL FIRE WARNING . . . . . . . . . . . . . . . . CHECKED
RADIOS, RADAR, TRANSPONDER & HUD . . . . . . . . . . . .SET
RUDDER & AILERON TRIM . . . . . . . . . . . . . . . . FREE & ZERO
PAPERS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .ABOARD
FMC/CDU. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .SET
N1 & IAS BUGS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .SET
PREFLIGHT
Oxygen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Tested, 100%
NAVIGATION transfer
and DISPLAY switches . . . . . . . . . . . . . . . . . NORMAL, AUTO
Window heat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . On
Pressurization mode selector. . . . . . . . . . . . . . . . . . . . . . . . AUTO
Flight instruments . . . . . . . . . . . . . . . . . Heading___, Altimeter___
Parking brake . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Set
Engine start levers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . CUTOFF

– – – – – – – – – – CLEARED FOR START – – – – – – – – –
MOBILE PHONES. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .OFF
DOORS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .CLOSED
AIR CONDITIONING PACKS . . . . . . . . . . . . . . . . . . . . . . . .OFF
ANTICOLLISION LIGHT . . . . . . . . . . . . . . . . . . . . . . . . . . . . .ON
BEFORE START
Flight deck door . . . . . . . . . . . . . . . . . . . . . . . Closed and locked
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . ___ LBS/KGS, PUMPS ON
Passenger signs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ___
Windows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Locked
MCP . . . . . . . . . . . . . . . . . . . . . . . . . .V2___, HDG___, ALT___
Takeoff speeds . . . . . . . . . . . . . . . . . . . . V1___, VR___, V2___
CDU preflight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Completed
Rudder and aileron trim  . . . . . . . . . . . . . . . . . . . . . . . . Free and 0
Taxi and takeoff briefing . . . . . . . . . . . . . . . . . . . . . . . . Completed
ANTI COLLISION light . . . . . . . . . . . . . . . . . . . . . . . . . . . . .ON

 

AFTER START
ELECTRICAL . . . . . . . . . . . . . . . . . . . . . . . .GENERATORS ON
PROBE HEAT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .ON
ANTI–ICE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .AS REQUIRED
AIR COND & PRESS . . . . . . . . . . . . . . . . . . . . . . . . PACKS ON
ISOLATION VALVE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .AUTO
APU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .AS REQUIRED
START LEVERS . . . . . . . . . . . . . . . . . . . . . . . . . .IDLE DETENT


 

BEFORE TAXI
Generators . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . On
Probe heat. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . On
Anti-ice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ___
Isolation valve . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . AUTO
ENGINE START switches . . . . . . . . . . . . . . . . . . . . . . . . CONT
Recall . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Checked
Autobrake . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .RTO
Engine start levers . . . . . . . . . . . . . . . . . . . . . . . . . . . IDLE detent
Flight controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Checked
Ground equipment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Clear

 

BEFORE TAKEOFF
RECALL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .CHECKED
FLIGHT CONTROLS. . . . . . . . . . . . . . . . . . . . . . . . . .CHECKED
FLAPS . . . . . . . . . . . . . . . . . . . . . . . . . . . _____, GREEN LIGHT
STABILIZER TRIM . . . . . . . . . . . . . . . . . . . . . . . . . _____UNITS
CABIN DOOR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .LOCKED
TAKEOFF BRIEFING . . . . . . . . . . . . . . . . . . . . . . . .REVIEWED
– – – – – – – – – CLEARED FOR TAKEOFF – – – – – – – –
ENGINE START SWITCHES. . . . . . . . . . . . . . . . . . . . . . . . . .ON
TRANSPONDER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .ON

 

BEFORE TAKEOFF
Flaps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ___, Green light
Stabilizer trim. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ___ Units
AFTER TAKEOFF
AIR COND & PRESS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .SET
ENGINE START SWITCHES. . . . . . . . . . . . . . . . . . . . . . . . .OFF
LANDING GEAR. . . . . . . . . . . . . . . . . . . . . . . . . . . . .UP & OFF
FLAPS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . UP, NO LIGHTS

 

AFTER TAKEOFF
Engine bleeds. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . On
Packs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . AUTO
Landing gear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . UP and OFF
Flaps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .UP, no lights
DESCENT – APPROACH
ANTI–ICE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .AS REQUIRED
AIR COND & PRESS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .SET
ALTIMETER & INSTRUMENTS . . . . . . . . SET & X–CHECKED
N1 & IAS BUGS. . . . . . . . . . . . . . . . . . . . . . . .CHECKED & SET
DESCENT
Pressurisation . . . . . . . . . . . . . . . . . . . . . . . . . . . .LAND ALT___
Recall . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Checked
Autobrake . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ___
Landing data . . . . . . . . . . . . . . . . . . . .VREF___, Minimums___
Approach briefing . . . . . . . . . . . . . . . . . . . . . . . . . . . Completed

 

  APPROACH
Altimeters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ___

 

LANDING
ENGINE START SWITCHES. . . . . . . . . . . . . . . . . . . . . . . . .ON
RECALL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . CHECKED
SPEED BRAKE . . . . . . . . . . . . . . . . . . .ARMED,GREEN LIGHT
LANDING GEAR. . . . . . . . . . . . . . . . . . . . . . .DOWN, 3 GREEN
FLAPS . . . . . . . . . . . . . . . . . . . . . . . . . . _____, GREEN LIGHT

 

LANDING
[Without automatic ignition]
ENGINE START switches . . . . . . . . . . . . . . . . . . . . . . . . CONT
Speedbrake . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Armed
Landing gear. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Down
Flaps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ___, green light
SHUTDOWN
FUEL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .PUMPS OFF
GALLEY POWER . . . . . . . . . . . . . . . . . . . . . . . .AS REQUIRED
ELECTRICAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .ON_____
FASTEN BELTS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .OFF
WINDOW HEAT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .OFF
PROBE HEAT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .OFF
ANTI–ICE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .OFF
ELECTRIC HYDRAULIC PUMPS . . . . . . . . . . . . . . . . . . . . .OFF
AIR COND . . . . . . . . . . . . . . . . . . . ___ PACK(S), BLEEDS ON
EXTERIOR LIGHTS . . . . . . . . . . . . . . . . . . . . . .AS REQUIRED
ANTICOLLISION LIGHT . . . . . . . . . . . . . . . . . . . . . . . . . . .OFF
ENGINE START SWITCHES . . . . . . . . . . . . . . . . . . . . . . . .OFF
AUTOBRAKE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .OFF
SPEED BRAKE . . . . . . . . . . . . . . . . . . . . . . . . . DOWN DETENT
FLAPS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . UP, NO LIGHTS
PARKING BRAKE . . . . . . . . . . . . . . . . . . . . . . . .AS REQUIRED
START LEVERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . CUTOFF
WEATHER RADAR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .OFF
TRANSPONDER . . . . . . . . . . . . . . . . . . . . . . . . .AS REQUIRED
MOBILE PHONES. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .ON

 

SHUTDOWN
Fuel pumps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Off
Probe heat. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Off
Hydraulic panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Set
Flaps . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Up
Parking brake . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ___
Engine start levers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . CUTOFF
Weather radar . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Off

 

 

SECURE
IRS MODE SELECTORS . . . . . . . . . . . . . . . . . . . . . . . . . . .OFF
EMERGENCY EXIT LIGHTS. . . . . . . . . . . . . . . . . . . . . . . . .OFF
AIR CONDITIONING PACKS . . . . . . . . . . . . . . . . . . . . . . .OFF
APU/GROUND POWER . . . . . . . . . . . . . . . . . . . . . . . . . . . .OFF
BATTERY. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .OFF
SECURE
IRSs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Off
Emergency exit lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .OFF
Window heat . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Off
Packs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Off

 


Changes since 2005

17 Feb 2006 - Following the 14 August 2005 737-300 accident outside of Athens, Greece, at the request of and with the concurrence of the U.S. Federal Aviation Administration (FAA) and the Hellenic Air Accident Investigation and Aviation Safety Board (AAIASB), Boeing has identified several enhancements to the flight crew procedures associated with the 737 Cabin Altitude Warning System. Boeing is providing advanced notice of these revisions which will be published in the following block revisions:

737-600/700/800/900 March 2006
737-200/BBJ April 2006
737-300/400/500 June 2006

These block revisions will include the following changes:

1. Add the following checklist item to the PREFLIGHT NC after the item "Window heat . . . . . . . On":

QUOTE
Pressurization mode selector. . . . . . . . . . . . . AUTO
UNQUOTE

2. Delete the CONFIGURATION WARNING NNC from QRH Sections 0 and 15.

3. Add the new WARNING HORN - CABIN ALTITUDE OR CONFIGURATION NNC to QRH Sections 0 and 15.

All steps in this NNC are recall.

QUOTE

WARNING HORN - CABIN ALTITUDE OR CONFIGURATION

Condition: An intermittent or steady warning horn sounds:

  • In flight an intermittent horn indicates the cabin altitude is at or above 10,000 feet.
  • On the ground an intermittent horn indicates an improper takeoff configuration when advancing thrust levers to takeoff thrust .
  • In flight a steady horn indicates an improper landing configuration.

If an intermittent horn sounds inflight:

OXYGEN MASKS AND REGULATORS . . . . . . . . ON, 100%

CREW COMMUNICATIONS. . . . . . . . . . . . ESTABLISH

Do the CABIN ALTITUDE WARNING OR RAPID DEPRESSURIZATION checklist.

If an intermittent horn sounds on the ground:

Assure proper airplane takeoff configuration.

If a steady horn sounds inflight:

Assure proper airplane landing configuration.

UNQUOTE

4. Revise FCOM/QRH warning horn terminology to state:

QUOTE cabin altitude/configuration warning horn UNQUOTE


In 2007 the following step was added to the descent checklist:

Pressurisation . . . . . . . . . . . . . . . . . . . . . . . . . . . .LAND ALT___


 

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