Characteristics of 737 Exposed to Severe Winds 501
10-13-0 Figure 201 (Sheet 1) Feb 01/96
Page 202
BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.
500 Characteristics of 737 Exposed to Severe Wind Jun 20/93 Figure 201 (Sheet 2) 10-13-0 Page 202A/202B BOEING PROPRIETARY - Copyright . - Unpublished Work - See title page for details.
3. Park Airplane
A. Park airplane in an uncongested area in accordance with 10-11-0, Park Airplane except for step H. Wheels are to be chocked and parking brake must be applied. If you park the airplane in a congested area, moor the airplane in accordance with section 10-21-0.
WARNING: ENSURE THAT WHEEL CHOCKS ARE SECURED. IN HIGH WINDS A LOOSE CHOCK COULD BE DANGEROUS.
B. Turn on battery switch.
C. Set parking brakes on main landing gear by depressing brake pedals and by pulling up the parking brake handle on the captain's control stand. Relieve pressure on brake pedals before releasing parking brake handle.
CAUTION: AFTER PARKING BRAKES HAVE BEEN SET THEY WILL REMAIN EFFECTIVE APPROXIMATELY 8 HOURS. AT THIS TIME THEY SHOULD BE RELEASED, HYDRAULIC PRESSURE RESTORED AND PARKING BRAKES RESET.
D. Turn off battery switch if no longer required.
E. Be sure flaps are in full up position to reduce wing lift.
F. Set the horizontal stabilizer at an angle near zero degrees, 0 to 4 units.
CAUTION: DO NOT RESTRAIN THE CONTROL COLUMN OR RUDDER PEDALS. DOING SO COULD RESULT IN CONTROL SYSTEM DAMAGE.
G. Fuel airplane to its maximum full capacity and move the CG forward as far as possible.
H. Close all doors, hatches and see that all plugs are secured in place.
I. Anchor or remove all stands or movable equipment from the vicinity of the airplane which could collide with the airplane.
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10-13-0 Page 203
MOORING
1. General
A. The airplane is designed to withstand high velocity ground winds from any angle without mooring. However, when high winds are anticipated extra care is advised. When the airplane is parked on dry pavement and winds of 80 knots and above are expected, moor airplane at wheels to reduce movement and chance of structural damage. On wet pavement moor airplane when winds of 60 knots and above are anticipated. If the surface is covered with ice or snow, moor airplane when winds of 40 knots and above are expected. To help reduce airplane movement, snow and ice should be removed from the surface beneath the wheels. Troughs dug in the ice or snow to place the wheels in will help prevent side skidding and yawing.
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10-20-0 Page 201
HIGH WIND CONDITIONS MOORING
1. General
A. When special mooring provisions are considered necessary because high winds are expected, mooring at the wheels will reduce airplane movement and the chance of structural damage. With expected winds of 80 knots and above, extra care is advised. For wet or ice covered surfaces, mooring should be accomplished at progressively lower wind velocities. See Fig. 201, 10-13-0 for wind effects on the airplane. Refer to 10-20-0 for mooring and surface conditions. Mooring cables may be attached at the main gear tow lug attachments and to the tiedown fastener on the aft jacking pad. Refer to Chapter 7, Jacking, for jack pad locations.
B. This procedure has two mooring conditions.
(1)
Moor Airplanes
(2)
Moor Airplanes with engines removed.
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