# STC SA431CE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: BF Goodrich Aerospace, United States
- Description: Installation of Hoskins Twilighter Mk III supplemental lighting system with Model F wing tip and Model P tail lights.
- Applied: September 20, 1965
- Status date: September 30, 2011
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A2WE](https://openairdocs.org/tcds/A2WE)
- Certificate PDF: https://openairdocs.org/files/sha256/b1/1d/b11d9d111f88d8fc970778ea701f0495de6d654c19e9ac1676f3fd91b84d1698
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/5A7863B39A8C3D798625793E005D821C.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SA431CE

## ADs that name it (0)

None.

## Approved models (1)

- Sabreliner Corporation NA-265-40 ([TCDS A2WE](https://openairdocs.org/tcds/A2WE))

## 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 Mark III Supplementary Lighting System with Model “F” Wing Tip and Model “P” Tail Lights.

Data Required: 4 Page Hoskins Specifications for NA-265-40, North American Process Specification LA106-077, Hoskins Drawings NA265-1, -2, -3, M-3, 30-0218, 30-0199.

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 airplanes.

BF Goodrich Aerospace Lighting Systems Division 3445 South 5th Street Phoenix, AZ 85040 A2WE North American Make :

NA-265-40 Model :

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

( Signature) Melvin Taylor Manager, Atlanta Aircraft Certification Office

( Title)

Date of application : September 20, 1965

Date of issuance : May 27, 1966

## Every issue (1)

- September 30, 2011: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/b1/1d/b11d9d111f88d8fc970778ea701f0495de6d654c19e9ac1676f3fd91b84d1698)

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