# STC SA374CE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: BF Goodrich Aerospace, United States
- Description: Installation of Hoskins Twilighter Mk III Supplemental Lighting System in accordance with FAA sealed Hoskins Top Drawing No. 10-0031.
- Status date: September 30, 2011
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS 2A15](https://openairdocs.org/tcds/2A15)
- Certificate PDF: https://openairdocs.org/files/sha256/90/42/9042e8c239c6693415eebb5f169195986776d312d4e5ea542684764721cb23fd
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/D7F91B95384F3CB1862579580069E992.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA374CE

## ADs that name it (0)

None.

## Approved models (3)

- Lockheed Martin Corporation 1329-23A ([TCDS 2A15](https://openairdocs.org/tcds/2A15))
- Lockheed Martin Corporation 1329-23D ([TCDS 2A15](https://openairdocs.org/tcds/2A15))
- Lockheed Martin Corporation 1329-23E ([TCDS 2A15](https://openairdocs.org/tcds/2A15))

## 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 4b of the Civil Air Regulations.

Description of Type Design Change: Installation of Hoskins Twilighter Mk III Supplemental Lighting System in accordance with FAA sealed Hoskins Top Drawing No. 10-0031.

Limitations and Conditions: The approval of this change in type design applies basically to the these models only. This approval should not be extended to other aircraft of this model on which other previously approved modifications are incorporated unless it is determined by the installer that the interrelationship between this change and any of those other previously approved modifications will introduce no adverse effect upon the airworthiness of that aircraft. This determination should include consideration of significant changes in weight distribution such as an increase in fixed disposable weight in the fuselage.

BF Goodrich Aerospace Lighting Systems Division 3445 South 5th Street Phoenix, AZ 85040 2A15 Lockheed Make :

1329-23A, 1329-23D, 1329-23E Model :

Date reissued : May 04, 1970, April 01, 1990, September 25, 1995, January 31, 1996, September 30, 2011

Date amended : April 09, 1968, May 29, 1973

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

( Title)

Date of issuance : November 29, 1969

## Every issue (1)

- September 30, 2011: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/90/42/9042e8c239c6693415eebb5f169195986776d312d4e5ea542684764721cb23fd)

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From OpenAirDocs.org, an independent open copy of FAA and NTSB data. Only the Federal Register edition on govinfo.gov is the official legal text of an AD.