172B, 172C, 172C, 172D, 172E, 172F, 172G, 172H, 172I, 172K, 172L, 172M, 172N, and 172P
models are approved when any of the following STC is incorporated:
SA4428SW
If required, FAA Form 8130-3 must be requested. All other documents will be provided in digital format to your e-mail after check-out or provided with the shipped item.