# STC SA1948CE

- Type: Supplemental type certificate
- Status: Current, Amended
- Holder: Petersen Aviation Inc, United States
- Description: Operation on unleaded automotive gasoline, 87 minimum antiknock index and leaded automotive gasoline, 88 minimum antiknock index(RON+MON) /2 per ASTM Spec. D-439. Intermixing with aviation gasoline also approved.
- Applied: November 6, 1983
- Status date: June 23, 1992
- Product: Aircraft, Small Airplane
- Data sheets: [TCDS 3A12](https://openairdocs.org/tcds/3A12)
- Certificate PDF: https://openairdocs.org/files/sha256/c9/67/c967edad4d1655b7ba9a9b11c9579ed9bb8b9757c443f2b05a3a7046086583a7
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/158C5851A260F6DB85256CC10083D32B.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1948CE

## ADs that name it (0)

None.

## Approved models (13)

- 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))

## 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 Number: SA1948CE This certificate issued to: Petersen Aviation, Inc.

Route 1, P.O. Box 18 Minden, Nebraska 68959 Purt 3 of the CiVil Air Regulations.

Original Product - Typebertificate Numben: 3A12 Make: Cessna Model: 172, 172A, B, C, D, E, F, G, H, I, K, I, M Description of Type Design Change: Operation of airplane on unleaded automotive gasoline, 87 minimum antiknock index and leaded automotive gasoline, 88 minimum antiknock index (RON + MON) /2 per ASIM Specification D-439. Intermixing with aviation gasoline also approved. DATA REQUIRED:

Petersen Drawing List Cessna 172 dated December 12, 1983, or later FAA Approved revision.

Limitations and Conditions: Limited to those airplanes equipped with gravity fuel feed to the carburetor and certificated (original or SIC) or FAA Field Approved engine installations.

All engines must have separate approval for operation on automotive gasoline in the form of Supplemental Type Certificate approval. This approval should not be extended to other specific airplanes on which other previously approved modifications are incorporated, unless it is determined that the interrelationship between this change and any of those other previously approved modifications will introduce no adverse effect upon the airworthiness of the airplanes.

Date of Application: November 6, 1983 Jule wissued:

Date of Issuance: March 23, 1984 Jaleuended: March 30, 1990, August 27, 1984 FEDERAL AVIATION By Direction of the Administrator Hoyle (Signature ) June 23, 1992 TAMINISTRATO Lawrence A. Herron, Manager Wichita Aircraft Certification Office (Title)

47.

## Every issue (1)

- June 23, 1992: Amended, Current. [certificate](https://openairdocs.org/files/sha256/c9/67/c967edad4d1655b7ba9a9b11c9579ed9bb8b9757c443f2b05a3a7046086583a7)

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