# STC SA1665CE

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Aircraft Development Co, United States
- Description: Installation strut/wing and strut/fuselage fairings, lightning hole covers, and aerodynamic putty.
- Applied: January 17, 1981
- Status date: June 23, 2000
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS 3A12](https://openairdocs.org/tcds/3A12)
- Certificate PDF: https://openairdocs.org/files/sha256/4c/59/4c59fb6df992f946c7c33f28968a952ef3e938bce4c5e75737639daeac874c50
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/8C9F2C7F6DAF37FB86258059006A80E3.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1665CE

## ADs that name it (0)

None.

## Approved models (18)

- Textron Aviation Inc. 172 ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172A ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172B ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172C ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172D ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172E ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172F (USAF T-41A) ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172G ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172H (USAF T-41A) ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172I ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172K ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172L ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172M ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172N ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172P ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172Q ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172R ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- Textron Aviation Inc. 172S ([TCDS 3A12](https://openairdocs.org/tcds/3A12))

## What the certificate says

This is OCR from the scanned FAA certificate. OCR can misread letters and numbers.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate IRLINe Number SAI665CE This certificate issued to: Aircraft Development Co.

1220 Red Oak Ct.

Troy, MO 63379 Part 3 of the Civil Air Regulations effective November 1, 1949, as amended by 3-1 through 3-12, except for Airplane Models 172R and 172S which meets Part 23 of the Federal Aviation Regulations effective February 1, 1965, as amended by 23-6.

Original Product • Typo Certificate Number : 3A19 Make: Cessna Model: 172,172A,172B,172C,172D,172E, 172F, 172G,172H,172I,172K,172L,172M, 172N,172P, 172Q,172,172S Description of Type Design Change:

Installation of strut/wing and strut/fuselage fairings, lightning hole covers, and aerodynamic putty per Aircraft Development Co., Drawing List No. 118-1 with an FAA approval date of July 31, 1981, or Limitations and Conditions: Compatibility of this design change with previously approved modifications must be determined by the installer.

By Direction of the Administrator FEDERAL AVIATION Original signed by Ronald K. Rathgeber (Signature) Ronald K. Rathgeber, TOMINSTRATO Associate ACO Manager, Airframe & Services Wichita Aircraft Certification Office

47.

## Every issue (1)

- June 23, 2000: Amended, Current. [certificate](https://openairdocs.org/files/sha256/4c/59/4c59fb6df992f946c7c33f28968a952ef3e938bce4c5e75737639daeac874c50)

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