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Engine and powerplant

STC ST00049BO

FAA DRS lists ST00049BO as Current · Reissued, held by Pratt & Whitney Engine Services Inc., for Robinson Helicopter R22 MARINER, Robinson Helicopter R22, and Robinson Helicopter R22 ALPHA, and 1 more aircraft configuration. Recorded change: Installation of a Pratt & Whitney Engine Services, Inc. Health Usage Monitoring System (HUMS) Model 1022, P/N HUMS-A-030-1. Snapshot dated June 30, 2026.

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Aircraft configurations
4
FAA revision date
FAA status
Current · Reissued

Recorded modification

What the FAA record covers

ST00049BO identifies the approval, recorded holder, named aircraft, and modification scope. It does not confirm kit availability, serial-number effectivity, data rights, price, or installation authority.

Applicability

Aircraft named in FAA DRS

Named aircraft: Robinson Helicopter R22 MARINER, Robinson Helicopter R22, and Robinson Helicopter R22 ALPHA, and 1 more aircraft configuration. Confirm the approved model list, serial effectivity, configuration, and certificate revision.

FAA record reference

STC number
ST00049BO
Product
Aircraft · Rotorcraft
Country
United States
Application date
July 29, 1994
Revision date
October 22, 2007
CFR references
Part 21, Part 27