# STC SA1125SW

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Kerr Avn Svcs, Inc, United States
- Description: Modification of fuselage for installation of aerial survey camera and navigation sight
- Applied: February 20, 1970
- Status date: March 22, 1971
- Product: Aircraft, Small Airplane
- Certification basis: Part 21
- Data sheets: [TCDS 6A1](https://openairdocs.org/tcds/6A1), [TCDS 2A4](https://openairdocs.org/tcds/2A4)
- Certificate PDF: https://openairdocs.org/files/sha256/3e/22/3e22240a4797111c33c7c75ba96c4e6a1a3fa0432d3b54be592032e8de89d01a
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/3B2547E1CFAE3CEA86257D41004F4338.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA1125SW

## ADs that name it (0)

None.

## Approved models (11)

- Twin Commander Aircraft LLC 500 ([TCDS 6A1](https://openairdocs.org/tcds/6A1))
- Twin Commander Aircraft LLC 500-A ([TCDS 6A1](https://openairdocs.org/tcds/6A1))
- Twin Commander Aircraft LLC 500-B ([TCDS 6A1](https://openairdocs.org/tcds/6A1))
- Twin Commander Aircraft LLC 500-S ([TCDS 6A1](https://openairdocs.org/tcds/6A1))
- Twin Commander Aircraft LLC 500-U ([TCDS 6A1](https://openairdocs.org/tcds/6A1))
- Twin Commander Aircraft LLC 560-A ([TCDS 6A1](https://openairdocs.org/tcds/6A1))
- Twin Commander Aircraft LLC 560-E ([TCDS 6A1](https://openairdocs.org/tcds/6A1))
- Twin Commander Aircraft LLC 560-F ([TCDS 2A4](https://openairdocs.org/tcds/2A4))
- Twin Commander Aircraft LLC 680 ([TCDS 2A4](https://openairdocs.org/tcds/2A4))
- Twin Commander Aircraft LLC 680-E ([TCDS 2A4](https://openairdocs.org/tcds/2A4))
- Twin Commander Aircraft LLC 680-F ([TCDS 2A4](https://openairdocs.org/tcds/2A4))

## 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 Statts or ZUnrrua C77 ©epartmtnt of ICransportation—federal Huiation administration Supplemental 'Cpe Certificate SAU25SU Kcrr AvlaCion Services , Inc.

P. 0. Box 399 - Wtley Post Airport Bethany, Oklahoma 73008 3 ClVil Air 2A4 , 6A1 Aero Commander 500, 500-A, 500-B, 500-0, 500-S, 560-A, 560-B, Modification of fuselage for installation of aerial survey camera and navigation sight according to Master Drawing List MDL 60260 dated February 20, 1970.

February 20, 1970 March 2. 1970 ' £Af>l^^^^s^S>^''>^<'M-i"«-Pvrr<jii/n'4'n'.dfef/-ji:n/i'dA<, ifftA&^A /aMiAA&d•vy <™j- •Ptetrri&rnti ka/ty>'<*»^—'• March 22, 1971 r/*ft,^^? Revision 1 '#*, fe-^/W^/4^4 (Sigtmtiot) Glen W. Welsh Chief. Engineering an<[ Manufacturing Branch (Tit')

Tfiu ctriijicatt may he transferred in accordance ivilh FAR 21.47.

**FAAFDKH SI 10-3 (10-68)**

] NSTRl CTIONSi '1'hr transfer endorsement helow may be used lo notify the appropriate FAA Regional Office of the transfer of ihis Supplemental Type Cenificair.

The 1 A A will reissue the lertifu alt- in the namr of Ihe transferri" anil forward il Lo him.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number to (Name of transferee) (Address <if transferee) (Number and ICify, Stall, and from (Name of grantor) (Print or type) (Address of grantor) (.Wtifllbrr and ilttet) (City, Stall, and ^IP tadt) Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

**C FAA AC 69-5536**

## Every issue (1)

- March 22, 1971: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/3e/22/3e22240a4797111c33c7c75ba96c4e6a1a3fa0432d3b54be592032e8de89d01a)

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