4-4 STRUCTURES / RINSE AFTER SALT WATER OPERATIONS
ICON A5 / MAINTENANCE MANUAL CHANGE C2
4.2 Rinse After Salt Water Operations
The structure and many other parts of the A5 are constructed of corrosion proof composite materials.
There are, however, many small fittings made up of nickel-plated steel, anodized aluminum, and stain-
less steel. These fittings are corrosion resistant but not corrosion proof. Salt water operations and
continuous, or frequent, use and storage in hot, humid environments can lead to oxidation and damage
of metal parts.
The Corrosion Prevention Schedule and procedures given below are the minimum preventative main-
tenance needed to minimize corrosion related problems. The levels represented progressively more
aggressive operational environments and the associated minimum rinse procedures. More attention to
rinsing operations will further improve the long-term results.
In general, the aircraft should be rinsed as soon as practical after every salt water operation. Landing
in fresh water should not be considered a substitute for a thorough rinse as described in this section.
Any visible salt should be rinsed off as soon as practical.
Level 1
Aircraft used in fresh water only and stored mainly in dry, indoor environment.
Level 2
Aircraft used mainly in fresh water with occasional salt water use and stored in a periodically
humid environment.
Level 3
Aircraft used mainly in salty or brackish water and stored near an ocean or in a hot, humid envi-
ronment.
Level 1 Level 2 Level 3
“Overall Exterior
Rinse” on page 4-5
Normal aircraft wash
cycle
End of each day of
salt water ops
End of each day of
salt water ops
“Interior Rinse” on
page 4-6
Not Required End of each month of
salt water ops
End of each week of
salt water ops
“Wing Fold Rinse” on
page 4-7
Not Required End of each month of
salt water ops
End of each week of
salt water ops
“Horizontal Tail Tip
Rinse” on page 4-8
Not Required End of each month of
salt water ops
End of each week of
salt water ops
“Salt-Away Rinse” on
page 4-9
Not Required Not Required Optional for severe
conditions
“Corrosion Inhibitor
Application” on page
4-10
1-2 times per year Each month End of each week of
salt water ops
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