STC ST00239BO
FAA DRS lists ST00239BO as Current · Reissued, held by Pratt & Whitney Engine Services Inc., for Bombardier DHC-8-300 Series. Recorded change: Installation of Pratt & Whitney Engine Services, Inc. Data Transmission Unit (DTU). Snapshot dated June 30, 2026.
Recorded modification
What the FAA record covers
Installation of Pratt & Whitney Engine Services, Inc. Data Transmission Unit (DTU).
ST00239BO 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: Bombardier DHC-8-300 Series. Confirm the approved model list, serial effectivity, configuration, and certificate revision.
Buyer checks
Confirm before sourcing
- 01Does it cover the exact Bombardier DHC-8-300 Series model, serial range, and configuration?
- 02Which powerplant configuration, limits, instruments, and maintenance data apply?
- 03Who can legally supply the design data, kit, instructions, and ICAs?
- 04What parts, labor, conformity, and return-to-service work are excluded?
Related engine and powerplant STCs
Removal of mechanical link between engine throttle control and propeller RPM control. Installation of a separate RPM control lever, linkage between Cirrus RPM cable/cam followers, center console to accommodate three-lever configuration, new knobs for all levers, and new installation hardware (nuts, bolts, etc).
FAA holder: Skyryse Inc.
Installation of Pratt & Whitney R985-AN-1 Engine, Hamilton Standard 2D30/6101A-12 Propeller; B75N1 (Navy N2S-3), N450V, S/N 75-6484.
FAA holder: AvComp, LLC
Installation of Pratt & Whitney R-985-AN-1, -AN-3, -AN14B, or -AN14BM engine, Hamilton Standard 2D30/6101A-12 or 2D30/6101A-12 or 22D30/6533A-12 propeller, modified fuel and oil systems.
FAA holder: AvComp LLC