# STC SA404CE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: BF Goodrich Aerospace, United States
- Description: Installation of Hoskins supplemental position light system which includes Model A wing tip lights and Model D or K(dual) tail light.
- Applied: July 19, 1965
- Status date: September 30, 2011
- Product: Aircraft, Small Multi-Engine
- Certification basis: Part 3, Part 21
- Data sheets: [TCDS 2A4](https://openairdocs.org/tcds/2A4), [TCDS 6A1](https://openairdocs.org/tcds/6A1)
- Certificate PDF: https://openairdocs.org/files/sha256/3f/e6/3fe636aee1ae442499ccbb12e3970b2f01f26006a72f807d15b1126ffe78db06
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/E4D7232563BF1C578625795800633708.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA404CE

## ADs that name it (0)

None.

## Approved models (16)

- 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 ([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-F ([TCDS 2A4](https://openairdocs.org/tcds/2A4))
- Twin Commander Aircraft LLC 680-FL ([TCDS 2A4](https://openairdocs.org/tcds/2A4))
- Twin Commander Aircraft LLC 680-FL(P) ([TCDS 2A4](https://openairdocs.org/tcds/2A4))
- Twin Commander Aircraft LLC 680-T ([TCDS 2A4](https://openairdocs.org/tcds/2A4))
- Twin Commander Aircraft LLC 680-W ([TCDS 2A4](https://openairdocs.org/tcds/2A4))
- Twin Commander Aircraft LLC 720 ([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.

Part 3 of the Civil Air Regulations.

Description of Type Design Change: Installation of Hoskins Supplemental Position Light System which includes Model A Wing Tip Lights, and Model D or K (dual) Tail Light.

Data Required: (1) General installation instructions dated September 19, 1965. Hoskins Specification Sheets, pages 1 thru 4, Dated September 19, 1965. Hoskins drawings 30-0020, Sheets 1 & 2 and 30-0108 or Specifications Sheets P/N 65-0034, Dated February 21, 1968, P/N 65-0033-1, Dated March 15 or June 30, 1968.

Limitations and Conditions: LIMITATION OF APPLICABILITY. This approval should not be extended to other specific airplanes of these models on which other previously approved modifications are incorporated unless it is determined that the interrelationship between this change and any of those previously approved modifications will introduce no adverse effect upon the airworthiness of the airplane.

BF Goodrich Aerospace Lighting Systems Division 3445 South 5th Street Phoenix, AZ 85040 6A1, 2A4 Aero Commander Make :

500, 500A, 500B, 500U, 500S, 560, 560A, 560E, 560F, 680, 680F, 680FL, 680FL(P), 680T, 680W, 720 Model :

Date reissued : May 4, 1970, April 1, 1990, September 25, 1995, January 31, 1996, September 30, 2011

Date amended : September 9, 1968

( Signature) Melvin D. Taylor Manager, Atlanta Aircraft Certification Office

( Title)

Date of application : July 19, 1965

Date of issuance : March 17, 1966

## Every issue (1)

- September 30, 2011: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/3f/e6/3fe636aee1ae442499ccbb12e3970b2f01f26006a72f807d15b1126ffe78db06)

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