AIRCRAFT AND AIRCRAFT COMPONENT WASHING, CLEANING, AND FRESH WATER RINSE
b. Apply cleaning compound (item 44, App F) from a pail, spraying equipment, or foaming equipment.
Scrub surfaces when necessary with brush (fitted with a cleaning pad or sponge) or with a cleaning brush
(item 34, App F).
c. Rinse away the loosened soil and cleaner solution with freshwater.
(1) For rinsing, a rubber-padded shut-off spray nozzle is recommended.
(2) Rinse the cleaner solution and loosened soil from aircraft surface with a fan spray nozzle, directed at an
angle of 15 degrees to 30 degrees from the surface.
(3) Continue rinsing until all evidence of cleaner solution and soils have been removed from the aircraft.
d. Refer to TABLE I for recommended cleaning sequence.
1.53.5. Alternate Cleaning Procedures
This procedure is for use only when water is not available for rinsing, or when cold weather prevents
the use of water.
Dilute cleaning compound (item 44, App F) 1 part cleaner to 9 parts water.
a. Using a applicator bottle, apply cleaning compound (item 44, App F) to exterior surfaces of the aircraft.
(No more than a few square feet at a time.)
b. After 30 seconds, scrub, then wipe cleaner solution and loosened soil from the surface with a clean
c. Rinsing with a cloth wet with fresh water following the use of cleaning compound (item 44, App F) is
d. Rinse cleaned surfaces with fresh water when available.
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