Pratt & Whitney Canada PT6A-20
Pratt & Whitney Canada PT6A-20 is a PT6A-family turboprop model certified on the DHC-6 Series 100 Twin Otter, the original production version. Pratt & Whitney describes the PT6A architecture as a two-shaft engine with a multi-stage compressor, single-stage compressor turbine, independent free power turbine, and epicyclic concentric reduction gearbox. The historical status reflects the model-specific Series 100 application.
Identity
- Aliases
- PT6A-20PT6A 20
- Domains
- aviation
- Identity Level
- model
- Kind
- turboprop
- Name
- Pratt & Whitney Canada PT6A-20
- Status
- historical
Details
- Description
- Pratt & Whitney Canada PT6A-20 is a PT6A-family turboprop model certified on the DHC-6 Series 100 Twin Otter, the original production version. Pratt & Whitney describes the PT6A architecture as a two-shaft engine with a multi-stage compressor, single-stage compressor turbine, independent free power turbine, and epicyclic concentric reduction gearbox. The historical status reflects the model-specific Series 100 application.
- Developers
- Family
- Manufacturers
Links
Assets & Meta
- Creation Time
- August 1, 2026 at 18:55:11 UTC
- Updated Time
- August 23, 2026 at 19:45:58 UTC
Other
- Sources
- Accessed Date
- 2026-08-01
- Note
- The certification report identifies the DHC-6 Series 100 engine as Pratt & Whitney PT6A-20 and records the Series 100 as the original production version.
- Publisher
- Civil Aviation Authority of New Zealand
- Title
- DHC-6 Series 100 Type Acceptance Report TAR 96/02
- Accessed Date
- 2026-08-01
- Note
- Museum collection documentation corroborates two PT6A-20 turboprop engines on the Twin Otter.
- Publisher
- Canada Aviation and Space Museum
- Title
- DHC-6 Twin Otter collection highlight
- Accessed Date
- 2026-08-23
- Note
- Pratt & Whitney describes the PT6A as a two-shaft engine with a multi-stage compressor, single-stage compressor turbine, independent power turbine, and epicyclic concentric reduction gearbox; its applications list includes PT6A-20.
- Publisher
- Pratt & Whitney
- Title
- PT6A Engine