SERVICE MANUAL & ICA
10000 AMPHIBIAN FLOATS ON AIR TRACTOR AT-802A
Page 84
Revision U
P/N 1002545
The float hull is manufactured from the following aluminum alloys:
Forward Top skins – .040 in thick, 6061-T6 aluminum
Side skins – .040 in thick, 6061-T6 aluminum
Center Top and Side skins - .063 in thick, 6061-T6 aluminum
Aft Top and Side skins - .040 in thick, 6061-T6 aluminum
Bottom skin, sister keel to keel - .063 in thick, 6061-T6 aluminum
Bottom skin, sister keel to chine - .050 in thick 6061-T6 aluminum
Nose Bulkhead - .100 in thick, 6061-T6 aluminum
Bulkhead (aft wheel well) .063 in thick, 6061-T6 aluminum
All remaining bulkheads - .040 in thick, 6061-T6 aluminum
Main strut panel - .125 in thick, 6061-T6 aluminum
All hull external and internal parts may be purchased from Wipaire parts department.
Damage to any of the sheet metal, including but not limited to skins and bulkheads may be repaired per Figures
10.1 through 10.3, or any acceptable repair method listed in FAA Advisory Circular 43.13.1A.
Any float hull sheet metal or part thereof can be purchased from Wipaire to aid in repair. To simplify repairs, the
skins may be ordered precut.
Skins may be reattached to extrusions by method shown in figures 10.1 through 10.3.
NOTE:
There are many ways to repair Wipline floats and each method depends on the degree and location of
the damage. The following figures are examples of some repairs. For additional help contact Wipaire customer
service at 651-306-0459.
13.1 DESCRIPTION
CHAPTER 13 - REPAIRING FLOAT HULL SHEET METAL, BULKHEADS
AND OTHER AREAS
There are instances during float repair where replacement of solid rivets is not practical. For these occasions,
Wipaire has composed a list of acceptable fastener substitutions.
Solid rivets may be replaced by the following:
1. New solid rivet of the same or greater diameter
2. CherryMax blind rivets of equal or greater diameter
3. HuckLok blind rivets of equal or greater diameter
4. Hi-Lok fasteners of equal or greater diameter
13.2 RIVET REPLACEMENT