# STC SR00062BO

- Type: Supplemental type certificate
- Status: Current, Reissued
- Holder: Pratt & Whitney Engine Services Inc., United States
- Description: Installation of a Pratt & Whitney Engine Services, Inc. Health Usage Monitoring System (HUMS) Model 1122, P/N HUMS-A-070-1.
- Applied: March 22, 1996
- Status date: October 22, 2007
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21
- Data sheets: [TCDS H3WE](https://openairdocs.org/tcds/H3WE)
- Certificate PDF: https://openairdocs.org/files/sha256/34/db/34db73496d248148bc52e7e4cc3ca6d7e8f17cad98000b441aef3be91e163fc7
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/C185BE86E3A651F88625738E0052A3B5.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/SR00062BO

## ADs that name it (0)

None.

## Approved models (11)

- MD Helicopter Inc. 369 ([TCDS H3WE](https://openairdocs.org/tcds/H3WE))
- MD Helicopter Inc. 369A ([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. 369FF ([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))
- MD Helicopter 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.

249 Vanderbilt Ave.

Norwood, MA 02062

Part 6 of the Civil Air Regulations.

Original Product Type Certificate Number : H3WE Make : MDHC (HUGHES)

Model : 369, 369A, 369H, 369HM, 369HS, 369HE, 369D, 369E, 369F, 369FF, & 500N Description of Type Design Change:

Installation of a Pratt & Whitney Engine Services, Inc. Health Usage Monitoring System (HUMS) Model 1122, P/N HUMS-A-070- 1, in accordance with their HUMS Installation Manual HUMS-I-070-1, Version 1.3, dated August 7, 1996, or later FAA-approved revisions.

1. Federal Aviation Administration approval of the HUMS installation was determined on a non-interference basis. Operation or maintenance must not be predicated on the HUMS.

2. Compatibility of this design change with previously approved modifications must be determined by the installer.

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 : March 22, 1996

Date of issuance : August 13, 1996 Date reissued : August 15, 2002, October 22, 2007

( Signature) Robert G. Mann Manager, Boston Aircraft Certification Office

( Title)

## Every issue (1)

- October 22, 2007: Reissued, Current. [certificate](https://openairdocs.org/files/sha256/34/db/34db73496d248148bc52e7e4cc3ca6d7e8f17cad98000b441aef3be91e163fc7)

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