# STC SA4242WE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Del-Air, United States
- Description: Installation of SDI CFS-1000, -1001, or FT-100 fuel flow indicating system and facet P/N 480543 auxiliary fuel pump. (172H (USAFT-41A) LANDPLANE ONLY)
- Applied: January 18, 1980
- Status date: May 31, 2018
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS 3A12](https://openairdocs.org/tcds/3A12)
- Certificate PDF: https://openairdocs.org/files/sha256/ee/56/ee562e68e4dcebe36d134a373eae078db7cea7be0ea2999061c7d091013b3b03
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/B1FE764F95730E6C862582B9004D935A.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA4242WE

## ADs that name it (0)

None.

## Approved models (15)

- 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))
- 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))

## What the certificate says

Some pages are 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 This certificate has been reissued to replace the original certificate reported as lost Number: SA4242WE This certificate issued to: DEL AIR 2121 Wildcat Way Porterville, CA 93257 Part 3* of the Civil Abir Regulations *See Type Certificate Data Sheet No. 3A12 for complete certification basis.

Original Product Type Certificate Number: 3A12 Make: Cessna Model: Category) 172, 172A, thru 172N (Landplane Only, Normal Description of Type Design Change: Installation of SDI CFS-1000, CFS-1001, or FT-100 Fuel Flow Indicating System and Facet P/N 480543 auxiliary fuel pump, in accordance with Del Air Report No. 110 dated May 28, 1980. FAA Approved Del Air Airplane Flight Manual Supplement 110 or 110-1 dated September 30, 1980, is required with this installation. Avcon Industries, Inc., Lycoming O-360-A1A engine per STC SA807CE or SA1324CE is required with this installation.

The approval of this change in type design applies to the basic aircraft of the specified models that are otherwise unmodified. This approval should not be extended to aircraft of these models that incorporate any other previously approved modifications unless it is determined that the interrelationship between this change and any other modification will introduce no adverse effect on the airworthiness of these aircraft. If the holder agrees to permit another person to use this certificate to alter a product, the holder must give the other person written evidence of that permission.

Date of Application: January 18, 1980 Date Reissued: May 31, 2018 Date Amended: January 6, 1981 By Direction of the Administrator Date of Issuance: September 30, 1980 FEDERAL AVIATION (Signature) Manager, Technical & Administrative Support Section Los Angeles ACO Branch TOMINISTRATO (Title)

FAA Form 8110-2(10-68) Pade of 2

NOTE:

**DO NOT DELETE THIS PAGE.**

**DO NOT ADD ANY DATA TO THIS PAGE.**

**THIS PAGE IS FOR PAGE NUMBERING PURPOSES, PLEASE DISCARD PRINTED COPY.**

## Every issue (1)

- May 31, 2018: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/ee/56/ee562e68e4dcebe36d134a373eae078db7cea7be0ea2999061c7d091013b3b03)

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