SA649GL
Installation of TRW Hartzell Prop. Models PHC-C3YF-2KUF/FC7453(K) and PHC-C3YF-2LKUF/FJC7453(K) used with Continental engine models TSIO-360-KB and LTSIO-360-KB, respectively. Held by Trw Hartzell Propeller. Last revised December 17, 1982. System: engine.
What it applies to
- Kind of product
- Aircraft
- Design holder
- The New Piper Aircraft Inc.; The New Piper Aircraft Inc.
- Models
- PA-34-220T (III), PA-34-220T (IV)
- Type certificates
- A7SO, A7SO
- On this site
- Piper PA-34 Seneca 998 registered
- 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 8, 2026.