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PT6A-21 Capabilities

A derated engine for the Beechcraft King Air

A small version of the Pratt and Whitney Canada PT6A engine, using the classic PT6 design reverse flow system, this PT6A-21 produces lower emissions and coupled with the single stage compressor allows for easy starting and makes for a durable turboprop engine for any operator. Commonly this PT6 engine is used in the Beechcraft King Air. Euravia Engineering have the following services on this engine model;

  • Overhaul
  • Repair (Engine, Components or Accessories)
  • Foreign Object Damage (FOD Repair)
  • Hot Section Inspection
  • LCF Disk Change
  • TBO Extension Evaluation
  • Inspection & Test
  • Approved Test Cell
  • Borescope Inspection
  • International Mobile Repair Team (MRT)

Alongside these core services,

Euravia delivers an extensive range of Design and Post Design Solutions. These include component and engine life assessment, reliability studies, component improvement programs and specialist tooling. All services will reduce the PT6-21A overhaul cost. For full details click on the contact form to make a servicing enquiry.

Engine Details

Similar to PT6A-27 except derated.

Basic HSI
Basic TBO
Part Name
Turboprop Engine
OHC Facility
Euravia, Kelbrook
Part Number/s
Technical Data Document/s
3013243 (OHM)
3013244 (IPC)
Aircraft that use this engine
King Air C90A
King Air C90B
King Air C90SE
Turbine Air Bonanza


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