# STC SA4246SW

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: S-TEC Corporation, United States
- Description: Installation of S-TEC system 60 (two axis) flight guidance system, Model ST-024
- Applied: December 1, 1980
- Status date: December 11, 1980
- Product: Aircraft, Single-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 5A6](https://openairdocs.org/tcds/5A6)
- Certificate PDF: https://openairdocs.org/files/sha256/0b/8d/0b8de729508e26322590ccb070ea6090b980fbf365be7382562da1131cd1787f
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/F7FB37CD7762A21885256CC2000E3AD0.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA4246SW

## ADs that name it (0)

None.

## Approved models (2)

- Cessna Aircraft Company 180J ([TCDS 5A6](https://openairdocs.org/tcds/5A6))
- Cessna Aircraft Company 180K ([TCDS 5A6](https://openairdocs.org/tcds/5A6))

## What the certificate says

Read from the PDF's text layer, without the form's printed wording; the layout is lost and the order can differ. The PDF is the record.

United States of America Bepartment of transportation—federal Situation administration Supplemental Itgpe Certificate lyiwmvw SM246SW S-TEC Corporation Rt. 3, Bldg. 946 Woltera Induatrial Complex Mineral Walla, Texas 76067 3 ^jAv Civil Air ^steaMtfi&e-nA/.

5A6 180J, 180K '-/' Installation of S-TEC Svat em 60 (Two Axit) Flight Guidance System, Modal ST-024 according to Bulletin Mo. 127, aeviaion 1, datad 12/1/80 and Master Drawing List Mo. 9224, Revision A, dated 12/1/80 with optional Flight Director/Steering Horiion according to Bulletin Mo. 120, datad 6/2/80 ad Master Drawing List Mo. 9209, datad 6/2/80 and optional Vertical Speed indicator/Selector according to Bulletin Mo. 121, datad 6/2/80 and Master Drawing Uat Mo. 9210, datad 6/2/80, or later FAA approved reviaion.

(14 Volt Syatam)

1. FAA Approved Suppleawntal Flight Manual F/H 8927 datad Deceober 11,1980. la required for Caafna ModeU 180K and 180J, Serial «o.lfOS||QOand below, Landplanes only; 2. Pilot *s Operating Handbook and FAA Approved AirplaaaFlight Manual Supplement P/N 8935 datad Daeajgbar 11, 1980, la required for C*a*na Modalal80K, Serial Mo. 18053001 and on, Landp lanes only.

3. Coapatibllity of thi* nodificatlcm with other praviowiiy approved modificaticna oust ba determined by the installer.

^c^fn^nt^ra^>^-^'^» Dacanoar 1, 1980 Dacambar 11, 1980 (Signature' P. WateonChief, Engineering and Manufacturing Branch (Title)

## Every issue (1)

- December 11, 1980: Issued, Current. [certificate](https://openairdocs.org/files/sha256/0b/8d/0b8de729508e26322590ccb070ea6090b980fbf365be7382562da1131cd1787f)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
