# STC ST00049BO

- 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 1022, P/N HUMS-A-030-1.
- Applied: July 29, 1994
- Status date: October 22, 2007
- Product: Aircraft, Rotorcraft
- Certification basis: Part 21, Part 27
- Data sheets: [TCDS H10WE](https://openairdocs.org/tcds/H10WE)
- Certificate PDF: https://openairdocs.org/files/sha256/60/6d/606d2323415be0bf1a3fd7f211df2edca15c855e13c555a88a0778cfb6375abd
- FAA DRS: https://drs.faa.gov/browse/excelExternalWindow/6FC3B6156E1B7B6A8625738E004F7B0E.0001
- DRS record last changed: December 6, 2025
- Page: https://openairdocs.org/stc/ST00049BO

## ADs that name it (0)

None.

## Approved models (4)

- Robinson Helicopter Company R22 ([TCDS H10WE](https://openairdocs.org/tcds/H10WE))
- Robinson Helicopter Company R22 ALPHA ([TCDS H10WE](https://openairdocs.org/tcds/H10WE))
- Robinson Helicopter Company R22 BETA ([TCDS H10WE](https://openairdocs.org/tcds/H10WE))
- Robinson Helicopter Company R22 MARINER ([TCDS H10WE](https://openairdocs.org/tcds/H10WE))

## 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 27 of the Federal Aviation Regulations.

Original Product Type Certificate Number : H10WE Make : ROBINSON

Model : R22, R22 ALPHA, R22 BETA, and R22 MARINER

Installation of a Pratt & Whitney Engine Services, Inc. Health Usage Monitoring System (HUMS) Model 1022, P/N HUMS-A-030- 1, in accordance with their HUMS Installation Instructions, HUMS-I-030-1, Version 1.3, dated December 8, 1995, 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 : July 29, 1994

Date of issuance : December 22, 1995 Date reissued : September 6, 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/sha256/60/6d/606d2323415be0bf1a3fd7f211df2edca15c855e13c555a88a0778cfb6375abd)

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