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

SA00823CH

Installation of various de-icer wire harnesses. Held by Smr Technologies, which holds 34 approved modifications in all. Last revised October 10, 2002. System: electrical power.

What it applies to

Kind of product
Aircraft
Design holder
AeroSpace Technologies Of Australia Pty Ltd.; Aerospatiale (Societe Nationale Industrielle Aerospatiale); Bombardier-Rotax GmbH; British Aerospace (Scotland); The Cessna Aircraft Company; The Cessna Aircraft Company; The Cessna Aircraft Company; The Cessna Aircraft Company; The Cessna Aircraft Company; The Cessna Aircraft Company; The Cessna Aircraft Company; The Cessna Aircraft Company; The Cessna Aircraft Company; The Cessna Aircraft Company; The Cessna Aircraft Company; The Cessna Aircraft Company; The Cessna Aircraft Company; The Cessna Aircraft Company; Construcciones Aeronauticas S.A.; Embraer - Empresa Brasileira de Aeronautica S.A.; Embraer - Empresa Brasileira de Aeronautica S.A.; Fairchild Aircraft Corporation; Fairchild Aircraft Corporation; Fairchild Aircraft Corporation; Hartzell Propeller Inc.; Hartzell Propeller Inc.; Hartzell Propeller Inc.; Hartzell Propeller Inc.; Hartzell Propeller Inc.; Hartzell Propeller Inc.; Hartzell Propeller Inc.; Hartzell Propeller Inc.; Hartzell Propeller Inc.; Hartzell Propeller Inc.; Hartzell Propeller Inc.; Hartzell Propeller Inc.; Hartzell Propeller Inc.; Hartzell Propeller Inc.; Israel Aircraft Industries Ltd.; Mitsubishi Heavy Industries Ltd.; Mitsubishi Heavy Industries Ltd.; Mitsubishi Heavy Industries Ltd.; Mitsubishi Heavy Industries Ltd.; Mitsubishi Heavy Industries Ltd.; Mitsubishi Heavy Industries Ltd.; Mitsubishi Heavy Industries Ltd.; Mitsubishi Heavy Industries Ltd.; Mitsubishi Heavy Industries Ltd.; Mitsubishi Heavy Industries Ltd.; Mitsubishi Heavy Industries Ltd.; Mitsubishi Heavy Industries Ltd.; Mitsubishi Heavy Industries Ltd.; Pilatus Aircraft Limited; The New Piper Aircraft Inc.; The New Piper Aircraft Inc.; The New Piper Aircraft Inc.; Raytheon Aircraft Company; Raytheon Aircraft Company; Raytheon Aircraft Company; Raytheon Aircraft Company; Raytheon Aircraft Company; Raytheon Aircraft Company; Raytheon Aircraft Company; Raytheon Aircraft Company; Raytheon Aircraft Company; Raytheon Aircraft Company; Raytheon Aircraft Company; Raytheon Aircraft Company; Raytheon Aircraft Company; Raytheon Aircraft Company; Raytheon Aircraft Company; Raytheon Aircraft Company; Raytheon Aircraft Company; Raytheon Aircraft Company; Raytheon Aircraft Company; Raytheon Aircraft Company; Raytheon Aircraft Company; Raytheon Aircraft Company; Raytheon Aircraft Company; Raytheon Aircraft Company; Raytheon Aircraft Company; Raytheon Aircraft Company; Raytheon Aircraft Company; Raytheon Aircraft Company; Raytheon Aircraft Company; Raytheon Aircraft Company; Raytheon Aircraft Company; Raytheon Aircraft Company; Raytheon Aircraft Company; Raytheon Aircraft Company; Short Brothers PLC; Short Brothers PLC; TRW Hartzell Propeller; TRW Hartzell Propeller; Twin Commander Aircraft Corporation; Twin Commander Aircraft Corporation; Twin Commander Aircraft Corporation; Twin Commander Aircraft Corporation
Models
ASTA N22B, Nord 262A Series, DHC-6-300, HP 137 Jetstream Mk. 1, 310, 340, 320, 404, 441, 421C, 421, 414A, 414, 411, 402C, 402B, 402, 401, C-212-CB, EMB-110P1, EMB-110P2, SA226-T, SA226-AT, SA226-TC, BHC-C2Y, HC-B3T, ( )HC-C3Y Series, PHC-C3YF-2, PHC-C3YR-1, PHC-C3YF-1, PHC-C3YR -2, HC-E3Y, PHC-J3Y, BHC-J2Y, HC-B4T, HC-B5M, HC-C4Y, HC-F4Y, 101, MU-2B-40, MU-2B-60, MU-2B-36A, MU-2B-26A, MU-2B, MU-2B-36, MU-2B-10, MU-2B-35, MU-2B-30, MU-2B-26, MU-2B-25, MU-2B-20, MU-2B-15, PC-6, PA-34-200T, PA-31T1, PA-31T, 58, E55, 95-B55, 56TC, 65-A90-4 Series, 65-A90-2 (RU-21B), H90 (T-44A), E90, C90, B90,...
Type certificates
A7PC, A6EU, A9EA, A21EU, 3A10, 3A25, 3A25, A25CE, A28CE, A7CE, A7CE, A7CE, A7CE, A7CE, A7CE, A7CE, A7CE, A7CE, A43EU, A21SO, A21SO, A5SW, A5SW, A8SW, P-920, P15EA, P25EA, P25EA, P25EA, P25EA, P25EA, P33EA, P36EA, P37EA, P40EA, P44GL, P52GL, P53GL, A32EU, A10SW, A10SW, A10SW, A10SW, A2PC, A2PC, A2PC, A2PC, A2PC, A2PC, A2PC, A2PC, A2PC, 7A15, A7SO, A8EA, A8EA, 3A16, 3A16, 3A16, 3A16, 3A20, 3A20, 3A20, 3A20, 3A20, 3A20, 3A20, 3A20, 3A20, 3A20, A-765, A-765, A-765, A-765, A-765, A-765, A-765, A-765, A-765, A-765, A-765, A-765, A14CE, A14CE, A14CE, A14CE, A14CE, A14CE, A14CE, A23CE, A15EU, A41EU, P31EA, P35EA, 2A4, 2A4, 2A4, 2A4
On this site
Beechcraft 65 201 registered
Beechcraft 95 Travel Air and Baron 55 1,245 registered
Beechcraft B100 59 registered
Beechcraft E18 58 registered
Beechcraft TC-45 7 registered
Cessna 310 1,410 registered
Cessna 320 137 registered
Cessna 340 707 registered
Cessna 401 51 registered
Cessna 402 174 registered
Cessna 404 26 registered
Cessna 411 10 registered
Cessna 414 Chancellor 605 registered
Cessna 421 Golden Eagle 770 registered
Cessna 441 Conquest II 172 registered
Construcciones Aeronauticas Sa C-212 16 registered
Dehavilland DHC-6 115 registered
Embraer EMB-110 13 registered
Mitsubishi MU-2 177 registered
Piper PA-31 Navajo and Chieftain 935 registered
Piper PA-34 Seneca 998 registered
Short Bros. & Harland SC-7 28 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 5, 2026.