# STC SR00254AT

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Bell Helicopter Textron Inc., United States
- Description: Installation of quick mount kit for Spectrolab Nightsun SX-16 searchlight.
- Applied: March 29, 1993
- Status date: February 1, 2011
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS H4SW](https://openairdocs.org/tcds/H4SW)
- Certificate PDF: https://openairdocs.org/files/sha256/35/73/35734ef6d055d6e40ff3527889d665859d5e00a262fb9d4a96583b3561df6065
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/16DDD16B5505042A86257C43006EEFA5.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SR00254AT

## ADs that name it (0)

None.

## Approved models (3)

- Bell Helicopter Textron 212 ([TCDS H4SW](https://openairdocs.org/tcds/H4SW))
- Bell Helicopter Textron 412 ([TCDS H4SW](https://openairdocs.org/tcds/H4SW))
- Bell Helicopter Textron 412EP ([TCDS H4SW](https://openairdocs.org/tcds/H4SW))

## What the certificate says

This is OCR from the scanned FAA certificate. OCR can misread letters and numbers.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Number SR00254AT This certificate issued to: Bell Helicopter Textron, Inc.

441 Industrial Park Rd.

Piney Flats, TN 37686 Part 29 of the Federal Aviation Poegulations.

Original Product - Type Certificate Number: HASW Make: Bell Helicopter Textron Model: 212, 412, 412EP Description of Type Design Change: Installation of Quick Mount Kit for the Spectrolab Nightsun SX-16 searchlight in accordance with Aeronautical Accessories, Inc.

Drawing List Report No. AA-93025, No Revision, dated April 1, 1993 or later FAA approved revision.

Limitations and Conditions: The installer must determine whether this design change is compatible with previously approved modifications. If the holder agrees to permit another person to use this certificate to alter the product, the holder shall give the other person written evidence of that permission. FAA Approved rotorcraft Flight Manual Supplement, dated June 9, 1993, is a required part of this STC.

suspended, revcked or a termination date is otherwise established by the Administrator of the Federal Aviation Administration.

Date of Application: March 29, 1993 Date Reissued: February 01, 2011 Date of Issuance: June 09, 1993 Date Amended: January 04, 1995 FEDERAL AVIATION By direction of the Admin Poln Herdie to (Signature) James A. Richmond, Acting Manager TOMINISTRATO Rotorcraft Certification Office Southwest Region (Title)

## Every issue (1)

- February 1, 2011: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/35/73/35734ef6d055d6e40ff3527889d665859d5e00a262fb9d4a96583b3561df6065)

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