# STC SR01474NY

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Bell Helicopter Textron Inc., United States
- Description: Installation of a Honeywell Mk-XXII Enhanced Ground Promixity Warning System.
- Applied: October 1, 2001
- Status date: February 9, 2011
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21, Part 29
- Data sheets: [TCDS H4SW](https://openairdocs.org/tcds/H4SW)
- Certificate PDF: https://openairdocs.org/files/sha256/c6/1a/c61a2cff956c80800bfffa4b504f0259244a2f03ccaf78e120eaa6e76aa87103
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/D0BF79718314B833862578BE00560340.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SR01474NY

## ADs that name it (0)

None.

## Approved models (1)

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

## 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.

Number SR01474NY This certificate issued to

Part 29 of the Federal Aviation Regulations.

Installation of the Honeywell Mark XXII for the Bell Model 412EP Helicopter, in accordance with Aeronautical Accessories, Inc. Drawing List Report 4123401-MDL01, Revision F, dated 01-03-07, or later FAA approved revision. Rotorcraft Flight Manual Supplement dated 01-09-2007 or later FAA approved revision is required. Instructions for Continued Airworthiness Report Number 4123401-RMM01 dated 01-03-2007 or later revision is required.

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 a product, the holder must give the other person written evidence of that permission.

Bell Helicopter Textron, Inc.

441 Industrial Park Road Piney Flats, TN 37686 H4SW Make : Bell Helicopter Textron Model : 412EP Date of application : October 01, 2001

Date of issuance : March 12, 2002

Date reissued : February 9, 2011;

February 10, 2003

Date amended : January 09, 2007

( Signature) James A. Richmond, Acting Manager Rotorcraft Certification Office, Southwest Region

( Title)

FAA Form 8110-2-1(10-69) Page 2 of 2

## Every issue (1)

- February 9, 2011: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/c6/1a/c61a2cff956c80800bfffa4b504f0259244a2f03ccaf78e120eaa6e76aa87103)

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