# STC SA2-75

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Signature Flight Support Corporation, United States
- Description: Revised and installed new electrical components.
- Applied: January 24, 1957
- Status date: August 31, 2000
- Product: Aircraft, Small Multi-Engine
- 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/sha256/05/5e/055e79e13b5e3efe3ebf7c8fcab0b230a6e2bfd7ed5608a9a4b5c7c86554b035
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/CA92E9E71B85D7D585256CC10083D4D7.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA2-75

## ADs that name it (0)

None.

## Approved models (4)

- Twin Commander Aircraft LLC 520 ([TCDS 6A1](https://openairdocs.org/tcds/6A1))
- Twin Commander Aircraft LLC 560 ([TCDS 6A1](https://openairdocs.org/tcds/6A1))
- Twin Commander Aircraft LLC 560-A ([TCDS 6A1](https://openairdocs.org/tcds/6A1))
- Twin Commander Aircraft LLC 680 ([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.

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- ,3feheral ^ministration SA2-75 Signature Flight Support Corporation, a Delaware Corporation 7511 Lemmon Avenue, Hangar C Dallas, TX 75209 6A1, 2A4 Gulfstream American 520, 560, 560A, 680 Civil Ai t (See continuation sheet 3 of 3) These installations are approved as a whole, or separately, or in any combination.

Compatibility of this modification with other previously approved modifications must be determined by the installer.

e** .- January 24, 1957

•' February 01, 1957 -(,!*•/- '.'- .' 6/1/92; 12/21/98; 8/31/00 -• 12/5/68; 11/12/69;

2/23/72; 5/26/78; 4/10/81; 3/2/82 Rev. 6 ?Lfc——|——*4*e:———T^^ (Signature) JL ...

S. Frances Cox ' Manager, Special Certification Office, Southwest Region (TVrts) An/ dIt*rdUofl of thlJ cfi^Jflcttf la panljhfblf by a fifl* of not *«C**dIng 5J,000, or lftpfjjenu»nt n^C »ncvedln^ 3 years, or both.

FAA Fe>r» 8HO-2 (10-*e| P*g* 1 of 3 TftiJ c*r£iflcat<f uy bw tf*^J/Brr»d Jn MccafdmnCf with FAR 21.47-

) gitalt* QBE Department 0£ "ffiraitepottattnii - ^fe&eral ^faisttort ttpplemetttal tEgpe (Eerttftcatc ((Etmtmtratum SA2-75 Date of Issuance: February 01, 1957 Date Amended: March 02, 1982 Reissuance Date: August 31, 2000 (Continued):

Revised and installed new electrical components as follows:

1. Two each Eclipse Pioneer Type 1298-1-A generators per D.A.S. Drawing A341016 dated 12/30/56 and A341017 dated 1/9/57.

2. Navigation flashing lights per D.A.S. Drawing A342017 dated 1/10/57, A512002 dated 1/23/57, A512001 dated 1/22/57.

3. Electrical horizon and dual inverter system per D.A.S. Drawing A333001 dated 1/9/57 and A337003, Sheets 1 and 2 dated 1/25/57 and A337002 dated 1/23/57.

4. Pressure wa-rning light system (oil fuel and door) per D.A.S. Drawing A113002, Sheets 1, 2, and 3 dated 1/23/57, A113001 dated 1/22/57, A113003 dated 1/23/57 and A344004A, dated 1/12/57.

5. Rotating beacon per D.A.S. Drawing A342006A dated 5/24/56, A703001A dated 1/7/57, and A703002 dated 1/17/57.

-END- Any •iteration Df tWi certificate Jj jguiiliJuJ)!* iiy * fine of not exceeding $1,000, or Ifprlsoaaent not eiceedln? 3 yens, or- both.

FA» Fon> 6110-2-1 (10-*S) Fags 3 of J This certificate My be tr«ni/er"*J (n acrorOanw with FAR il.1">.

INSTRUCTIONS. 'I he transfer endorsement below may be used to notify the .ippropriate FAA Regional Office of the transfer of this Supplemental Type Certifudte.

The FAA will reissue ihr ccrtifitate m the name of the transferee and forward it to him.

TRANSFER ENDORSEMENT Transfer the ownership of Supplemental Type Certificate Number .

to (Name of transferee) (Address of transferee) I Number and itreet) /City, Slali, and ZIP from (Name of grantor) (Print or type) (Address of grantor) (Number antl stnetf I City, StaU, anil Extent of Authority (if licensing agreement):

Signature of grantor (In ink):

**C FAA AC 69-SS36**

## Every issue (1)

- August 31, 2000: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/05/5e/055e79e13b5e3efe3ebf7c8fcab0b230a6e2bfd7ed5608a9a4b5c7c86554b035)

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