# STC ST00345AT

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Textron Aviation Inc, United States
- Description: Installation of emergency lighting system improvement modification.
- Applied: June 4, 1993
- Status date: December 15, 2016
- Product: Aircraft, Large Multi-Engine
- Certification basis: Part 21
- Data sheets: [TCDS A14SW](https://openairdocs.org/tcds/A14SW)
- Certificate PDF: https://openairdocs.org/files/sha256/2e/2c/2e2c474f44a26df5433d40302e3ed1b7af525269721208059b221dfabb87b241
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/F265A7C96F3B10468625814E0068A94A.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/ST00345AT

## ADs that name it (0)

None.

## Approved models (1)

- Textron Aviation Inc. MU-300 ([TCDS A14SW](https://openairdocs.org/tcds/A14SW))

## 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.

FAA Form 8110-2 (5/14) Page 1 of

Part of the

Signature

Title Textron Aviation Inc.

One Cessna Boulevard Wichita, KS 67215 2 ST00345AT Federal Aviation Regulations.

25 Installation of emergency lighting system improvement modification in accordance with United Beechcraft Master Drawing List MDL-UBF93110, Rev. 2 dated August 1, 1996, or later FAA Approved revision.

This approval should not be extended to other aircraft of this model on which other previously approved modification are incorporated unless it is determined by the installer that the interrelationship between this change and any of those other previously approved modification will produce no adverse effect upon the airworthiness of that aircraft.

Mitsubishi MU300 October 4, 1995; June 4, 2007;

December 15, 2016 September 20, 1996 June 4, 1993 November 8, 1993 A14SW Mark Fuller STC ODA administrator ODA-100129-CE

FAA Form 8110-2 (5/14) Page 2 of

To (Name and address of transferee)

From (Name and address of grantor)

## Every issue (1)

- December 15, 2016: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/2e/2c/2e2c474f44a26df5433d40302e3ed1b7af525269721208059b221dfabb87b241)

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