# STC SA2-195

- Type: Supplemental type certificate
- Status: Current, Issued
- Holder: Tunnell Aircraft Service, United States
- Description: Modification
- Applied: April 22, 1957
- Status date: September 25, 1957
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS A-782](https://openairdocs.org/tcds/A-782)
- Certificate PDF: https://openairdocs.org/files/sha256/bc/b2/bcb22b00b100e73a7c1239a1636a511656da4890c946a89a65c75bc25e85a981
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/A9B098893932ABF386257CFA0069353F.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA2-195

## ADs that name it (0)

None.

## Approved models (1)

- Sierra Hotel Aero Inc. Navion (Army L-17A) ([TCDS A-782](https://openairdocs.org/tcds/A-782))

## What the certificate says

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

146 FORM ACA-2417 (7-56) CIVIL AERONAUTICS ADMINISTRATION U,S. DEPARTMENT OF COMMERCE Form Approred, Budget Bur au No. 41-81823 Supplemental Type Certificate

1. NAME AND ADDRESS OF APPLICANT funnell incrit service :. % 20x 109 alles, Texas

3. DESCRIPTION OF CHANGE INSTRUCTIONS - Submit in triplicate to local CAA Aviation Safety Agent. Copy will be returned to applicant upon issuance.

Supplemental Type Certificate APPLIED FOR:

AIRCRAFT • ENGINÉ

ORIGINAL MODEL DESIGNATION Hyen navion NEW MODEL DESIGNATION (If desired) None pec: 702 2De chancer 40 : CA 4210 100 0-61R01 221112g and coolice sy: tam.

This modification is ell itle on Ayan savion, serial No. SAV 4-1278, N42787, *LL DATA BE AVAILABLE FOR SALE OR RELEASE TO OTHER PERSONS? YES ¡ NO

•. mILL FARTS BE MANUFACTURED FOR SALE (Ref. CAR 1.55)? _ YES A NO

**5. SIGNATURE AND TITLE OF APPLICANT**

SIGNATURE 1- 22-57 Mechanic 169689 Date of Application: TITLE

**6. TO BE COMPLETED BY CAA**

NATURE AND LOCATION OF DATA Form ACA-337, dated 4-15-56, Tunnell TIE No. S42-195, all on file at Fr235.

ORIGINAL TYPE CERTIFICATE NO. CAA APPROVAL віД Китии 702 Supplemental Type Certificate NO 1. Ludwig, Pr-231

**SIGNATURE SA2-195**

APPROVAL Acting Chiel, Aircraft Engineering Division September 25, 1957 TITLE COMM-DC 32484(1.5 FORM ACA-2417 (7-56) REM 19-

## Every issue (1)

- September 25, 1957: Issued, Current. [certificate](https://openairdocs.org/files/sha256/bc/b2/bcb22b00b100e73a7c1239a1636a511656da4890c946a89a65c75bc25e85a981)

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