# STC SH5540NM

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Heli-Support Inc., United States
- Description: Installation of snow skis.
- Applied: October 10, 1988
- 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/sha256/72/2f/722fa3633b0528106b079ab6379fc8aa041329322a3d0bc85e36bd2418c9bc89
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/010CF91137ECFDD18625721B0064F222.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SH5540NM

## ADs that name it (0)

None.

## Approved models (1)

- Eurocopter France SA.315B 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 CAR 6*of the Civil Air Regulations.

*(For Certification basis see Type Certificate Data Sheet H1IN) Original Product Type Certificate Number :

H1IN Aerospatiale SA315B Description of Type Design Change: Installation of Snow Skis in accordance with FAA approved HELI-SUPPORT, INC. Master Drawing HSI-5000, Rev. A, dated December 3, 1990, or later FAA approved revisions. Rotorcraft Flight Manual Supplement dated March 3, 1992, or later approved revisions required as part of these modifications.

Limitations and Conditions: This installation should not be incorporated in any aircraft unless it is determined that the interrelationship between this change and any previously approved configuration will not introduce any adverse effect upon the airworthiness of the 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 : October 10, 1988

Date of issuance : March 6, 1992

Date reissued: February 10, 1993; August 13, 2004;

October 31, 2006

( Signature)

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

## Every issue (2)

- October 31, 2006: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/72/2f/722fa3633b0528106b079ab6379fc8aa041329322a3d0bc85e36bd2418c9bc89)
- August 13, 2004: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/12/8b/128b5fe9f74aa78fc5ecedbffcc2cd72b6d9456a8e62d83098ca4951ff5e4c48)

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