Williams International FJ44-4A-QPM
The FJ44-4A model with Quiet Power Mode certified as a twin installation on the Pilatus PC-24.
Identity
- Aliases
- FJ44-4A-QPMFJ44-4A QPM
- Domains
- aviation
- Identity Level
- variant
- Kind
- turbofan
- Name
- Williams International FJ44-4A-QPM
- Status
- active
Details
- Air Breathing Specs
- Max Thrust Kn
- 16.01
- Spool Count
- 2
- Description
- The FJ44-4A model with Quiet Power Mode certified as a twin installation on the Pilatus PC-24.
- Developers
- Family
- Manufacturers
Links
- Official Url
- https://www.easa.europa.eu/en/downloads/44366/en
Assets & Meta
- Creation Time
- July 30, 2026 at 00:03:17 UTC
- Updated Time
- August 23, 2026 at 22:07:32 UTC
Other
- Sources
- Accessed Date
- 2026-07-29
- Note
- Identifies two Williams International FJ44-4A QPM engines, normal takeoff thrust of 3,420 pounds-force each, 3,600-pound-force automatic thrust reserve, dual-channel FADEC, and Quiet Power Mode.
- Publisher
- Pilatus Aircraft
- Title
- PC-24 — Just the Facts
- Accessed Date
- 2026-07-29
- Note
- Certifies the PC-24 installation as two Williams International FJ44-4A-QPM turbofans in rear-fuselage nacelles and references engine TCDS IM.E.016.
- Publisher
- European Union Aviation Safety Agency
- Title
- Type Certificate Data Sheet EASA.A.594 — PC-24
- Accessed Date
- 2026-08-23
- Note
- Williams International describes the FJ44 line as a two-spool turbofan; this supports the exact FJ44-4A-QPM variant's spool count while the existing Pilatus and EASA sources remain the authority for its exact QPM installation and thrust.
- Publisher
- Williams International
- Title
- The Williams Fanjet Family