# STC SH4344NM

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Cascade STC LLC, United States
- Description: Replace existing fiberglass strut leg fairings with aluminum fairings
- Applied: July 26, 1988
- Status date: December 22, 2015
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS H3WE](https://openairdocs.org/tcds/H3WE)
- Certificate PDF: https://openairdocs.org/files/sha256/8e/6e/8e6eceeb5541abd9e8dbe254f16fb0b5ae8ece0305ee566d8af3c488c7728130
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/221F959328BC2FFB86257F25005CE438.0001
- DRS record last changed: December 5, 2025
- Page: https://openairdocs.org/stc/SH4344NM

## ADs that name it (0)

None.

## Approved models (11)

- MD Helicopters Inc. 369 ([TCDS H3WE](https://openairdocs.org/tcds/H3WE))
- MD Helicopters Inc. 369A ([TCDS H3WE](https://openairdocs.org/tcds/H3WE))
- MD Helicopters Inc. 369D ([TCDS H3WE](https://openairdocs.org/tcds/H3WE))
- MD Helicopters Inc. 369E ([TCDS H3WE](https://openairdocs.org/tcds/H3WE))
- MD Helicopters Inc. 369F ([TCDS H3WE](https://openairdocs.org/tcds/H3WE))
- MD Helicopters Inc. 369FF ([TCDS H3WE](https://openairdocs.org/tcds/H3WE))
- MD Helicopters Inc. 369H ([TCDS H3WE](https://openairdocs.org/tcds/H3WE))
- MD Helicopters Inc. 369HE ([TCDS H3WE](https://openairdocs.org/tcds/H3WE))
- MD Helicopters Inc. 369HM ([TCDS H3WE](https://openairdocs.org/tcds/H3WE))
- MD Helicopters Inc. 369HS ([TCDS H3WE](https://openairdocs.org/tcds/H3WE))
- MD Helicopters Inc. 500N ([TCDS H3WE](https://openairdocs.org/tcds/H3WE))

## 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 SH4344NM

This certificate, issued to Cascade STC, LLC 4824 S 283rd Place Auburn, WA 98001

Part 6 of the Civil Air Regulations.

dated December 20, 1956, including Amendments 6-1 through 6-4, and Special Condition “Conditions Establishing compensating Factors Providing an Equivalent Level of Safety Under Civil Air Regulations, Section

6.10 for Light Turbine Powered Helicopters,” dated October 2, 1962, and revised February 8, 1966.

Original ProductType Certificate Number: H3WE Make: MDHI (HUGHES) Model: 369 (Army YOH-6A), 369A (Army OH-6A), 369H, 369HM, 369HS, 369HE, 369D, 369E, 369F, 369FF, 500N

Description of the Type Design Change: Replace existing fiberglass strut leg fairings with aluminum fairings in accordance with Cascade Airframe Repair, Inc., Drawing List No. CAR-5000, Revision D, dated December 19, 1996, and CAR-5010, Camloc Fairing Installation Instruction, dated December 19, 1996, or later Federal Aviation Administration (FAA) approved revision.

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

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

Date of application: July 26, 1988 Date reissued: April 9, 2014; December 22, 2015 Date of issuance: August 15, 1988 Date amended: 10/21/91; 1/7/93; 6/6/95; 9/19/97

(Signature)

Manager, Seattle Aircraft Certification Office (Title)

Number SH4344NM

Cascade STC, LLC Issued: August 15, 1988 Reissued: April 9, 2014; December 22, 2015 Amended: 10/21/91; 1/7/93; 6/6/95; 9/19/97

CAR-5010-1F, -2F, -3F, and -4F Fairings may be used on aircraft equipped with extended gear and without floats, or with extended gear and emergency floats via MDHS Part Number 369D290121-505 or via Supplemental Type Certificate SH8041NM only.

CAR-5010-1 and -3 Lower Fairings may only be used on helicopters equipped with extended gear without floats.

CAR-5010-2 and -4 Mid Fairings may only be used on helicopters without floats but with either standard or extended gear.

CAR-5010-5 and -7 Lower Fairings may only be used on helicopters without floats and with standard gear.

CAR-5010-3A Lower Fairings may only be used on extended gear helicopters without floats but with the rear leg step.

Float Fairings (-1F through -4F) and Non-Float Fairings may not be mixed on a strut.

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.

- END -

**FAA FORM 8110-2-1 (10-69) PAGE 3 OF 3 PAGES**

## Every issue (2)

- December 22, 2015: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/8e/6e/8e6eceeb5541abd9e8dbe254f16fb0b5ae8ece0305ee566d8af3c488c7728130)
- April 9, 2014: Reissued, Historical. [certificate](https://openairdocs.org/files/sha256/93/3e/933edec80f25aa2539ea0f7108ee8b63c98ebf1558945b2a962cc64e3e5de136)

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