.  
related landing gear is in disagreement with LANDING GEAR lever
position (in transit or unsafe).

Extinguished -
.
landing gear is up and locked with landing gear lever UP or OFF

.
landing gear is down and locked with landing gear lever DN.

Copyright . The Boeing Company. See title page for details.
Landing Gear -Controls and Indicators 737 Flight Crew Operations Manual

Landing Gear Indicator Lights (bottom)
Illuminated (green) – related gear down and locked.
Note: Landing gear warning horn is deactivated with all gear down and locked.
Note: Landing gear is down and locked as long as one green landing gear

indicator light (center panel or overhead panel) for each gear is illuminated. Extinguished – landing gear is not down and locked.

LANDING GEAR Lever
UP – landing gear retract.
OFF – hydraulic pressure is removed from landing gear system.
DN – landing gear extend.

Override Trigger
Allows LANDING GEAR lever to be raised, bypassing the landing gear lever lock.

LANDING GEAR LIMIT Speed Placard
Indicates maximum speed while operating landing gear and after gear extension.
Landing Gear Indicator Lights
This is a redundant but separate set of landing gear indicator circuits and lights.

Copyright . The Boeing Company. See title page for details.
14.10.2  April 28, 2000

Landing Gear -Controls and Indicators 737 Flight Crew Operations Manual

Landing Gear Indicator Lights (overhead)
Illuminated (green) – related gear down and locked.
Note: Landing gear warning horn is deactivated with all gear down and locked.
Note: Landing gear is down and locked as long as one green landing gear

indicator light (center panel or overhead panel) for each gear is illuminated.
Extinguished – landing gear is not down and locked.
Manual Gear Extension

Manual Extension Access Door
Open –
.  
manual landing gear extension is possible with landing gear lever in any
position

.  
normal landing gear extension is still possible if hydraulic system A
pressure is available

.
landing gear retraction is disabled. Closed – landing gear operate normally.

Manual Gear Extension Handles
Right main, nose, left main – Each landing gear uplock is released when related handle is pulled to its limit, approximately 24 inches (61 cm).
Copyright . The Boeing Company. See title page for details.
Landing Gear -Controls and Indicators

Autobrake and Antiskid Controls

AUTO BRAKE DISARM Light
Illuminated (amber) –
.
SPEED BRAKE lever moved to down detent during RTO or landing

.
manual brakes applied during RTO or landing

.
thrust lever(s) advanced during RTO or landing

.
except during first 3 seconds after touchdown for landing

.
landing made with RTO selected

.
RTO mode selected on ground

.
illuminates for one to two seconds then extinguishes

.
a malfunction exists in automatic braking system. Extinguished –

.
AUTO BRAKE select switch set to OFF

.
autobrakes armed.

AUTO BRAKE Select Switch OFF – autobrake system deactivated. 1, 2, 3, or MAX –
.
selects desired deceleration rate for landing

.
switch must be pulled out to select MAX deceleration.

RTO – automatically applies maximum brake pressure when thrust levers are retarded to idle at or above 90 knots.
Copyright . The Boeing Company. See title page for details.
14.10.4  April 28, 2000
Landing Gear -Controls and Indicators
737 Flight Crew Operations Manual
Antiskid Inoperative (ANTISKID INOP) Light Illuminated (amber) – a system fault is detected by antiskid monitoring system. Extinguished – antiskid system operating normally.
Parking Brake
PARKING BRAKE
1
PULL
2
CONTROL STAND
1 PARKING BRAKE Lever
Forward – parking brakes released.
Aft – sets parking brakes when either Captain’s or First Officer’s brake pedals are
fully depressed.

2 Parking Brake Warning Light
Illuminated (red) – parking brake is set (light operates from battery power). Extinguished – parking brake is released.
Copyright . The Boeing Company. See title page for details.
April 28, 2000  14.10.5
Landing Gear -Controls and Indicators

Hydraulic Brake Pressure Indicator

Hydraulic Brake Pressure (HYD BRAKE PRESS) Indicator
　
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