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