SE09257SC
Convert P&W Engine Models PT6A-15AG, -27, and -28, into PT6A-34 configuration. Held by Covington Aircraft Engines, INC., which holds 3 approved modifications in all. Last revised September 30, 1996. System: engine.
What it applies to
- Kind of product
- Engine
- Design holder
- Pratt & Whitney Canada Inc.; Pratt & Whitney Canada Inc.; Pratt & Whitney Canada Inc.; Pratt & Whitney Canada Inc.; Pratt & Whitney Canada Inc.; Pratt & Whitney Canada Inc.; Pratt & Whitney Canada Inc.; Pratt & Whitney Canada Inc.; Pratt & Whitney Canada Inc.; Pratt & Whitney Canada Inc.; Pratt & Whitney Canada Inc.; Pratt & Whitney Canada Inc.; Pratt & Whitney Canada Inc.; Pratt & Whitney Canada Inc.; Pratt & Whitney Canada Inc.; Pratt & Whitney Canada Inc.; Pratt & Whitney Canada Inc.; Pratt & Whitney Canada Inc.; Pratt & Whitney Canada Inc.; Pratt & Whitney Canada Inc.; Pratt & Whitney Canada Inc.; Pratt & Whitney Canada Inc.; Pratt & Whitney Canada Inc.; Pratt & Whitney Canada Inc.; Pratt & Whitney Canada Inc.; Pratt & Whitney Canada Inc.; Pratt & Whitney Canada Inc.; Pratt & Whitney Canada Inc.; Pratt & Whitney Canada Inc.; Pratt & Whitney Canada Inc.; Pratt & Whitney Canada Inc.; Pratt & Whitney Canada Inc.; Pratt & Whitney Canada Inc.; Pratt & Whitney Canada Inc.; Pratt & Whitney Canada Inc.; Pratt & Whitney Canada Inc.; Pratt & Whitney Canada Inc.; Pratt & Whitney Canada Inc.; Pratt & Whitney Canada Inc.; Pratt & Whitney Canada Inc.; Pratt & Whitney Canada Inc.; Pratt & Whitney Canada Inc.; Pratt & Whitney Canada Inc.; Pratt & Whitney Canada Inc.; Pratt & Whitney Canada Inc.; Pratt & Whitney Canada Inc.; Pratt & Whitney Canada Inc.
- Models
- PT6A-6/C20, PT6A-20, PT6A-11AG, PT6A-6B, PT6A-15AG, PT6A-61, PT6A-65AR, PT6A-61A, PT6A-65B, PT6A-65R, PT6A-50, PT6A-20B, PT6A-60A, PT6A-6A, PT6A-6, PT6A-60, PT6A-45R, PT6A-45A, PT6A-45, PT6A-11, PT6A-21, PT6A-25, PT6A-20A, PT6A-45B, PT6A-29, PT6A-40, PT6A-41AG, PT6A-38, PT6A-110, PT6A-27, PT6A-65AG, PT6A-34, PT6A-34B, PT6A-25C, PT6A-114A, PT6A-114, PT6A-112, PT6A-28, PT6A-41, PT6A-121, PT6A-25A, PT6A-135, PT6A-36, PT6A-34AG, PT6A-42, PT6A-116, PT6A-135A
- Type certificates
- E4EA, E4EA, E4EA, E4EA, E4EA, E4EA, E4EA, E4EA, E4EA, E4EA, E4EA, E4EA, E4EA, E4EA, E4EA, E4EA, E4EA, E4EA, E4EA, E4EA, E4EA, E4EA, E4EA, E4EA, E4EA, E4EA, E4EA, E4EA, E4EA, E4EA, E4EA, E4EA, E4EA, E4EA, E4EA, E4EA, E4EA, E4EA, E4EA, E4EA, E4EA, E4EA, E4EA, E4EA, E4EA, E4EA, E4EA
- The FAA's record
- On the FAA's site
What an approved modification is
A supplemental type certificate is the FAA's approval of a change to a certified design: a new engine or propeller, avionics, an autopilot, floats, a parachute, a larger fuel tank, an ice-protection kit. The company holding it may sell the kit and the paperwork to owners of the listed models; the modification then becomes part of that aircraft's record. The FAA's list says what was approved and for which models, not how many aircraft carry it.
Source: FAA supplemental type certificates (Dynamic Regulatory System). Register counts from the FAA register of October 21, 2026.