# STC SA4632NM

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Del-Air, United States
- Description: Installation of extended range wing fuel tanks.
- Status date: November 7, 2001
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS 3A12](https://openairdocs.org/tcds/3A12)
- Certificate PDF: https://openairdocs.org/files/sha256/b5/0c/b50c16f2bc170bb7c4a3c150a756bf04b0c87f4f65c1bb9c089277958559fae7
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/A83B567A0057F60E85256CC2000E3DB3.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SA4632NM

## ADs that name it (0)

None.

## Approved models (15)

- The Cessna Aircraft Company 172 ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172A ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172B ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172C ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172D ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172E ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172F (USAF T-41A) ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172G ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172H (USAF T-41A) ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172I ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172K ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172L ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172M ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172N ([TCDS 3A12](https://openairdocs.org/tcds/3A12))
- The Cessna Aircraft Company 172P ([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.

0103 United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number: SA4632NM This certificate issued to: Del-Air 2121 S. Wildcat Way Porterville, California 93257 Certifies that the change in the type design for the following product with the limitation's and conditions therofor as specified hereon meet's the airworthiness requirement's of Part 3* of the Civil Air Regulations.

Original Product Type Cerlificate Number : 3A12 Make: Cessna Model: 172. 172A, 172B, 172C, 172D, 172E, 172F, 172G, 172H, 1721, 172K, 172L, 172M, 172N, 172P Description of Type Design Change: Installation of extended range wing fuel tanks in accordance with Aircraft Conversion Technologies, Inc. Report o. A103003 dated 6/21/90, or later FAA approved revision.

FAA approved Aircraft Conversion Technologies, Inc. Airplane Flight Manual Supplement dated August 23, 1990, or later FAA approved revision is required for Cessna models 172N and 172P only. (See Continuation Sheets page 3 through 5).

Limitations and Conditions: The approval of this change in type design applies only to the basic Cessna 172 series models listed above. This approval should not be extended to other aircraft of these models on which other previously approved modifications are incorporated unless it is determined by the installer that the modifications will introduce no adverse effect on the airworthiness of such aircraft. A copy of this STC must be included in the permanent records of the modified aircraft. If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission.

Date of Application: November 16, 1987 Date Reissued: March 12, 1996, November 7, 2001 Date of Issuance: September 7, 1990 Date Amended:

By Direction of the Administrator Manger, Technical and Administrative TOMINISTRATIO Support Staff (Title)

## Every issue (1)

- November 7, 2001: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/b5/0c/b50c16f2bc170bb7c4a3c150a756bf04b0c87f4f65c1bb9c089277958559fae7)

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