# STC SH1500NM

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Heli-Support Inc., United States
- Description: Installation of Airwest 316B skis, P/N 316-S1.
- Applied: October 30, 1981
- Status date: October 31, 2006
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS H1IN](https://openairdocs.org/tcds/H1IN)
- Certificate PDF: https://openairdocs.org/files/sha256/d7/81/d781155e030b97ee6c74e78ee6bfd0365e7f80a40b4106584c540decb1bed9b9
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/16FAA13C4734A4388625721B0064348C.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SH1500NM

## ADs that name it (0)

None.

## Approved models (1)

- Eurocopter France SA.316B Alouette III ([TCDS H1IN](https://openairdocs.org/tcds/H1IN))

## 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.

This Certificate issued to Heli-Support, Inc.

120 N.E. Frontage Road Ft. Collins, Colorado 80524 Part 6 of the Civil Air Regulations.

H1IN Aerospatiale SA316B Description of Type Design Change Installation of Airwest Helicopters, Incorporated, 316B skis, Part No. 316-S1 in accordance with Airwest Helicopters, Inc., installation instructions dated January 15, 1982, and Drawing 316-S1 approved February 2, 1982, or later FAA approved revision.

1. Airwest Helicopters, Inc., Rotorcraft Flight Manual supplement dated February 2, 1982, or later FAA approved revisions required.

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

3. 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 : October 30, 1981

Date of issuance : February 2, 1982

Date reissued: November 28, 1984; November 25, 1987;

August 13, 2004; October 31, 2006

( Signature) Manager, Technical & Administrative Support Staff, Los Angeles Aircraft Certification Office ( Title)

## Every issue (1)

- October 31, 2006: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/d7/81/d781155e030b97ee6c74e78ee6bfd0365e7f80a40b4106584c540decb1bed9b9)

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