The U.S. aircraft register, updated daily
Approved modifications · supplemental type certificate · current · issued

SA2362NM

Installation of a Lycoming 0-360-A1F6D engine, McCauley BeD34C207/78TCA-0 propeller, flap gap seals and aileron gap seals and associated systems. Held by Dennis L. Rootvick. Last revised February 15, 1984. System: propeller.

What it applies to

Kind of product
Aircraft
Design holder
Cessna Aircraft Company
Models
170B
Type certificate
A-799
On this site
Cessna 170 2,085 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 20, 2026.