SA372NW
Installation of a Wright R-975-30 engine; a Hamilton Standard 2D30/6167A-15 propeller; a inch Harrison oil cooler with ducting; and a modified Twin Beech (AT-11) cowl. Held by Harbord, Robert S.. Last revised November 1, 1976. System: propeller.
What it applies to
- Kind of product
- Aircraft
- Design holder
- Fairchild Industries Inc.
- Models
- F-45 (Army UC-80)
- Type certificate
- TC 603
- 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.