SA3181NM
Installation of Hartzell HC-E3YR-1()F/F7673DR-0 three-blade propeller on a Lycoming TIO-540-SIAD engine. Held by Hartzell Propeller INC, which holds 90 approved modifications in all. Last revised June 2, 1999. System: propeller.
What it applies to
- Kind of product
- Aircraft
- Design holder
- The New Piper Aircraft Inc.; The New Piper Aircraft Inc.
- Models
- PA-32RT-300, PA-32RT-300T
- Type certificates
- A3SO, A3SO
- On this site
- Piper PA-32 Cherokee Six, Lance and Saratoga 3,917 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 21, 2026.