Category | Service Letters

Ski Service Letters

Wipaire offers its part and service manuals online in PDF format. If you find an error or have questions about anything in the manuals, please contact Customer Service at 651.451.1205.

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Update Service Letter & Kit Compliance Status
No. Description Ski Model Serial numbers Rev Date
1 Replacement of Yoke Arm 3000 All C 1/10/06

Service Letters

SL# 250
Fill Level Display Crack Prevention and Repair
Air Tractor AT-802 & AT-802A, 10000A
Rev: B
1/19/2023
SL# 236
Cessna 208 & 208B Executive Interior Internal Seat Components Replacement
Cessna 208 & 208B, 8000A, 8000S, 8750A, 8750S, & Landplane
Rev: B
1/10/2023
SL# 232
Executive Interior Internal Seat Components Replacement
DeHavilland DHC-6-200, DHC-6-300, & DHC-6-400, 13000A, 13000S, & Landplane
Rev: B
5/31/2022
SL# 248
Water Deflection Panel (Bulkhead #17) Reinforcement
Air Tractor AT-802, AT-802A, 10000A Floats
10283A & 10284A and prior
Rev: C
10/25/2022
SL# 246
E-Dump System, Water Rudder Retract Cable Interference
10000A, AT-802, AT-802A
Rev: B
4/14/2022
SL# 237
Cessna 185 Hydraulic Pump Replacement on 3730A, 3900A, and 4000A Floats
Cessna 185 Series, 3730A, 3900A, 4000A
Rev: A
9/22/2021
SL# 243
Hydraulic Pump Pressure Settings for 2100A, 2350A, 3000A, and 3450A Floats
2100A, 2350A, 3000A, 3450A Floats, Husky, Piper PA-18 Cub Crafters CC18, Scout 8GCBC, Cessna 170, 172, 180, 185, 206 Maule
Rev: A
1/5/2022
SL# 242
Cessna 206H Soloy Hydraulic Pump Replacement Near Firewall on 3450A Floats
Cessna 206H Soloy, 3450A
Rev: A
12/22/2021
SL# 241
Cessna 206 Hydraulic Pump Replacement FWD Installation Near Wheel Well on 3450A Floats
Cessna 206-206G, 206H, T206H, 3450A
Rev: A
12/22/2021
SL# 239
Cessna 206 Hydraulic Pump Replacement on 4000A Floats
Cessna 206 Series, 4000A
Rev: A
9/21/2021
SL# 240
INSTALL TOP DECK PUMP OUT CUP DUCKBILL VALVE
All Floats
Rev: C
1/30/2023
SL# 238
Cessna 206 Hydraulic Pump Replacement on 3730A Floats
Cessna 206, 3730A Floats
Rev: A
9/14/2021
SL# 234
Trimming of Fire Boss Interconnect Assembly
Air Tractor AT-802, AT-802A, 10000A Floats
Rev: B
5/2/2022
SL# 235
Retention of Fire Boss Hopper Fill Valves
Air Tractor AT-802, AT-802A, 10000A Floats
Floats installed prior to 2/21/2019
Rev: C
7/1/2022
SL# 230
Cessna 180 & 185 Hydraulic Pump Replacement on 3000A Floats & 3450A Floats
Cessna 180 Series, 185 Series, 3000A Floats, 3450A Floats
Rev: A
7/13/2021
SL# 228
Cessna 172 & 175 Hydraulic Pump Replacement on 2100A Floats & 2350A Floats
Cessna 172 Series, 175 Series, 2100A, 2350A
Rev: A
7/13/2021
SL# 209
Fire Boss AT-802 (Two Seater) Removal of Fixed Ballast
Air Tractor AT-802, AT-802A, 10000A Floats
Rev: A
7/1/2021
SL# 231
Cessna 182 Hydraulic Pump Replacement on 3000A Floats
Cessna 182 Series, 3000A Floats
Rev: A
6/10/2021
SL# 233
Cessna 170 Hydraulic Pump Replacement on 2100A Floats
Cessna 170A, 170B, 2100A Floats
Rev: A
6/10/2021
SL# 225
Piper PA-12 & PA-18 Hydraulic Pump Replacement on 2100A Floats
Piper PA-12 & PA-18, 2100A Floats
Rev: A
5/7/2021

Flight Manual Supplement Status

 

Our support documents are saved as .PDF files. To view this you will need the latest version of Adobe Acrobat Reader. Click to download. If you’re having trouble viewing it in a browser, try using the right-click button on your mouse and select “Save Target As” or “Save Link As” and save a copy to your computer. Then open the file after it finishes downloading. If you are still having trouble accessing this document click here to request a copy be e-mailed to you or contact customer service at (651) 451-1205.

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