# STC SH4971NM

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Dart Aerospace USA Inc., United States
- Description: Installation of lead acid battery
- Applied: July 25, 1990
- Status date: October 17, 2018
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21, Part 27
- Data sheets: [TCDS H9EU](https://openairdocs.org/tcds/H9EU)
- Certificate PDF: https://openairdocs.org/files/sha256/67/f5/67f55cd7b802cadb07a2d43328a7de25e3599997479f3c08ed030d55079eb0f5
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/2712580554F64B178625832E004E8D70.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SH4971NM

## ADs that name it (0)

None.

## Approved models (8)

- Eurocopter France AS-350B ([TCDS H9EU](https://openairdocs.org/tcds/H9EU))
- Eurocopter France AS-350B1 ([TCDS H9EU](https://openairdocs.org/tcds/H9EU))
- Eurocopter France AS-350B2 ([TCDS H9EU](https://openairdocs.org/tcds/H9EU))
- Eurocopter France AS-350B3 ([TCDS H9EU](https://openairdocs.org/tcds/H9EU))
- Eurocopter France AS-350BA ([TCDS H9EU](https://openairdocs.org/tcds/H9EU))
- Eurocopter France AS-350C ([TCDS H9EU](https://openairdocs.org/tcds/H9EU))
- Eurocopter France AS-350D ([TCDS H9EU](https://openairdocs.org/tcds/H9EU))
- Eurocopter France AS-350D1 ([TCDS H9EU](https://openairdocs.org/tcds/H9EU))

## 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 Am erica Department of Transportation - Federal Aviation Administration Supplemental Type Certificate

Number SH4971NM

This certificate, issued to Dart Aerospace USA, Inc.

3845 NE 30th Avenue Hillsboro, OR 97124

Part 27 of the Federal Aviation Regulations.

Original ProductType Certificate Number: H9EU Make: Eurocopter France Model: AS350B, AS350BA, AS350B1, AS350B2, AS350B3, AS350C, AS350D, and AS350D1

Description of the Type Design Change: Installation of lead acid battery in accordance with Geneva Project Drawing List GA100, Revision C, dated December 4, 1997, or later Federal Aviation Administration (FAA) approved revision.

Limitations and Conditions: Approval of this change in type design applies to the above model aircraft only.

This approval should not be extended to other aircraft of this model on which other previously approved modifications are incorporated unless it is determined that the relationship between this change and any of those other changes in type design, will introduce no adverse effect upon the airworthiness of that aircraft.

A copy of this certificate and FAA-approved Flight Manual Supplement, GA100-2, Revision A, dated July 15, 1993, or later FAA-approved revision must be maintained as part of the permanent records for the modified aircraft.

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: July 25, 1990 Date reissued: 12/12/12; 2/6/13; 10/28/15; 10/17/18 Date of issuance: August 24, 1990 Date amended: July 15, 1993; January 18, 2000

(Signature)

Manager, Seattle Aircraft Certification Office (Title)

## Every issue (5)

- October 17, 2018: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/67/f5/67f55cd7b802cadb07a2d43328a7de25e3599997479f3c08ed030d55079eb0f5)
- October 28, 2015: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/7d/f5/7df51d47e7f5cc925b4078e36bdc8859ea58f21c92edb27f972357287f08c23a)
- February 6, 2013: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/c0/51/c0510322b4dd86c9f33a5e6cb2c8f109f02b36d09ae2d6fc0a1541067166b6a2)
- December 12, 2012: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/86/21/862138c1dc02be76da9296ee603923d6bea8d29f8e08510c49d6ccacdd4a4c9b)
- January 18, 2000: Amended, Historical. [certificate](https://openairdocs.org/files/sha256/b6/63/b6633079a8f3f0a0241ff8b13518ab5fa13ad57c8f6dac60f37bed77d3b7f65c)

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
