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

SA582NW

Fabrication of replacement wire rope cable assemblies. Held by University Swagging CORP. Last revised May 12, 1978. System: electrical power.

What it applies to

Kind of product
Aircraft
Design holder
Cessna Aircraft Company; Cessna Aircraft Company; Cessna Aircraft Company; Cessna Aircraft Company; Cessna Aircraft Company; Cessna Aircraft Company; Cessna Aircraft Company; Cessna Aircraft Company; Cessna Aircraft Company; Cessna Aircraft Company; FS 2001 Corp.; FS 2003 Corp.; Piper Aircraft Inc.; Piper Aircraft Inc.; Piper Aircraft Inc.
Models
120, 140, 150, 170, 172, 175, 177, 177RG, 180, 182, J5A (Army L-4F), PA-12, J-2, J-3, J4
Type certificates
A-768, A-768, 3A19, A-799, 3A12, 3A17, A13CE, A20CE, 5A6, 3A13, A-725, A-780, ATC 595, ATC 660, A-703
On this site
Cessna 120 661 registered
Cessna 140 1,838 registered
Cessna 150 7,995 registered
Cessna 170 2,085 registered
Cessna 172 Skyhawk 20,670 registered
Cessna 175 Skylark 926 registered
Cessna 177 Cardinal 2,158 registered
Cessna 180 Skywagon 2,606 registered
Cessna 182 Skylane 11,828 registered
Piper J-2 48 registered
Piper J-3 Cub 3,806 registered
Piper J4 Cub Coupe 197 registered
Piper J5 Cub Cruiser 294 registered
Piper PA-12 Super Cruiser 1,247 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.