# STC SH301NM

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Honeywell International Inc, United States
- Description: Installation of a Sperry AA-300 radio altimeter system.
- Applied: January 29, 1982
- Status date: March 20, 2020
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21, Part 27
- Data sheets: [TCDS H7EU](https://openairdocs.org/tcds/H7EU)
- Certificate PDF: https://openairdocs.org/files/sha256/67/40/67408ba5a26747d240d4736404df3ad19512e71ab3c7075eeb1b5249c880e306
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/06629E86DE8E7C2186258615006293D6.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SH301NM

## ADs that name it (0)

None.

## Approved models (1)

- Agusta S.p.A. A109A ([TCDS H7EU](https://openairdocs.org/tcds/H7EU))

## 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.

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Page 1 of 2 FAA Form 8110-2 (5/14)

Number: SH301NM This certificate issued to: Honeywell International Inc.

21111N 19th Ave Phoenix, Arizona 85027 Part 27of the Federal Aviation Regulations Original Product – Type Certificate Number: Make: Costruzioni Aeronautiche Giovanni (AGUSTA) Model: A109A H7EU

Installation of a Sperry Primus AA-300 radio altimeter system in accordance with FAA approved Sperry Engineering Bulletin No. EB7004794, Rev “A”, dated May 24, 1982, or later FAA approved revision.

The approval of this change is type design applies to Augusta Model A109A helicopters only. This approval should not be extended to other rotorcraft of these models 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 not introduce any adverse effect upon the airworthiness of the rotorcraft. 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.

Date of Application: January 29, 1982 October 31, 1985; April 8, 1987;

Date Reissued: February 11, 2009; March 20, 2020

Date of Issuance: June 8, 1982 Date Amended:

Signature

Title Richard B. Sleigh ODA Administrator, ODA-602216-NM

United States of America Department of Transportation Federal Aviation Administration Supplemental Type Certificate Page 2 of 2 FAA Form 8110-2 (5/14)

To (Name and address of transferee)

From (Name and address of grantor)

## Every issue (2)

- March 20, 2020: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/67/40/67408ba5a26747d240d4736404df3ad19512e71ab3c7075eeb1b5249c880e306)
- February 11, 2009: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/85/7e/857ebffb7625e8ab1355aaa9b2e231f8475cfa2145f7b65dde819c0bb9aaaa3e)

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