# STC SH250WE

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Allen J Gerbino, Gerbino Flight Systems, United States
- Description: Installation of a P.A. speaker kit.
- Applied: August 20, 1979
- Status date: May 29, 2012
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS H3WE](https://openairdocs.org/tcds/H3WE)
- Certificate PDF: https://openairdocs.org/files/sha256/e4/ca/e4ca8948176869a8dccc726f2a8c2a0db3509c6869fac4fd40ad9be97da097ad
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/6453D47FD8DF4B1986257A1A0066C987.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SH250WE

## ADs that name it (0)

None.

## Approved models (11)

- MD Helicopter Inc. 369 ([TCDS H3WE](https://openairdocs.org/tcds/H3WE))
- MD Helicopter Inc. 369 (Army YOH-6A) ([TCDS H3WE](https://openairdocs.org/tcds/H3WE))
- MD Helicopter Inc. 369A ([TCDS H3WE](https://openairdocs.org/tcds/H3WE))
- MD Helicopter Inc. 369A (Army OH-6A) ([TCDS H3WE](https://openairdocs.org/tcds/H3WE))
- MD Helicopter Inc. 369D ([TCDS H3WE](https://openairdocs.org/tcds/H3WE))
- MD Helicopter Inc. 369E ([TCDS H3WE](https://openairdocs.org/tcds/H3WE))
- MD Helicopter Inc. 369F ([TCDS H3WE](https://openairdocs.org/tcds/H3WE))
- MD Helicopter Inc. 369H ([TCDS H3WE](https://openairdocs.org/tcds/H3WE))
- MD Helicopter Inc. 369HE ([TCDS H3WE](https://openairdocs.org/tcds/H3WE))
- MD Helicopter Inc. 369HM ([TCDS H3WE](https://openairdocs.org/tcds/H3WE))
- MD Helicopter Inc. 369HS ([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.

United States Of America Department of Transportation - Federal Aviation Administration Supplemental Type Certificate This certificate has been reissued to replace the original certificate reported as lost.

This Certificate issued to Allen J. Gerbino Gerbino Flight Systems 2549 North Palm Drive Signal Hill, California 90755 Part 6 of the Civil Air Regulations.

dated 12/20/56, Amend. 6-1 thru 6-4 and Special Conditions dated October 2, 1962, Rev. 2/8/66 Original Product Type Certificate Number :

H3WE

**MDHI**

369, 369A, 369H, 369HM, 369HS, 369HE, 369D, 369E, 369F Description of Type Design Change: Installation of a P. A. Speak er Kit in accordance with FAA Approved Alexair Indentured Drawing Li st 794-1000 dated August 29, 1979, or later FAA approved revision.

Limitations and Conditions: The approval of this change in type d esign applies to the basic rotorcraft of the specified models that are otherwise unmodified . 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 introduce no adverse effect upon the airworthiness of that rotorcraft. If the holder agrees to permit another person to use this certif icate to alter the product, the holder shall give the other person written evidence of that permission.

Date of application : August 20, 1979

Date of issuance : September 17, 1979

Date reissued : May 29, 2012

( Signature) Haifa Haj-Eid Supervisor, Technical & Administrative Support Staff, Los Angeles Aircraft Certification Office (Title)

NOTE:

**DO NOT DELETE THIS PAGE.**

**DO NOT ADD ANY DATA TO THIS PAGE.**

**THIS PAGE IS FOR PAGE NUMBERING PURPOSES, PLEASE DISCARD PRINTED COPY.**

Number

## Every issue (1)

- May 29, 2012: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/e4/ca/e4ca8948176869a8dccc726f2a8c2a0db3509c6869fac4fd40ad9be97da097ad)

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