SA444SW
Installation of Lycoming IO-720-A1A, or A1B engines. Held by Bemidji Aviation Services INC, which holds 7 approved modifications in all. Last revised July 9, 1999. System: engine.
What it applies to
- Kind of product
- Aircraft
- Design holder
- Raytheon Aircraft Company; Raytheon Aircraft Company; Raytheon Aircraft Company; Raytheon Aircraft Company; Raytheon Aircraft Company; Raytheon Aircraft Company; Raytheon Aircraft Company
- Models
- 65, 65-80, 65-88, 65-A80-8800, 65-B80, 70, A65
- Type certificates
- 3A20, 3A20, 3A20, 3A20, 3A20, 3A20, 3A20
- On this site
- Beechcraft 65 201 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 12, 2026.