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

ST01142WI-D

Modification of a single or dual Collins TDR-94 or TDR-94D Mode S Transponder System installation with CTL-92 control head to a Flight ID capable Collins TDR-94 or TDR-94D Mode S Transponder System installation with CTL-92E control head. Held by Rockwell Collins INC, which holds 359 approved modifications in all. Last revised December 14, 2006. System: instruments and avionics.

What it applies to

Kind of product
Aircraft
Design holder
ATR - GIE Avions de Transport Régional; ATR - GIE Avions de Transport Régional; ATR - GIE Avions de Transport Régional; ATR - GIE Avions de Transport Régional; ATR - GIE Avions de Transport Régional; ATR - GIE Avions de Transport Régional; ATR - GIE Avions de Transport Régional; ATR - GIE Avions de Transport Régional; ATR - GIE Avions de Transport Régional; ATR - GIE Avions de Transport Régional; ATR - GIE Avions de Transport Régional; BAE Systems (Operations) Limited; The Boeing Company; The Boeing Company; The Boeing Company; The Boeing Company; The Boeing Company; The Boeing Company; The Boeing Company; The Boeing Company; The Boeing Company; The Boeing Company; The Boeing Company; Bombardier Inc.; Bombardier Inc.; Bombardier Inc.; Bombardier Inc.; Bombardier Inc.; Bombardier Inc.; Bombardier Inc.; Bombardier Inc.; Bombardier Inc.; Bombardier Inc.; Bombardier Inc.; Bombardier Inc.; Bombardier Inc.; British Aerospace and Societe Nationale Industrielle Aerospatiale; Cessna Aircraft Company; Cessna Aircraft Company; Cessna Aircraft Company; Cessna Aircraft Company; Cessna Aircraft Company; Dassault Aviation; Dassault Aviation; Dassault Aviation; Dassault Aviation; Dassault Aviation; Dassault Aviation; Dassault Aviation; Dassault Aviation; Dassault Aviation; Dassault Aviation; Dassault Aviation; Dassault Aviation; Dassault Aviation; EADS CASA; EADS CASA; EADS CASA; EADS CASA; EADS CASA; EADS CASA; EADS CASA; EADS CASA; EADS CASA; Embraer - Empresa Brasileira de Aeronautica S.A.; Embraer - Empresa Brasileira de Aeronautica S.A.; Embraer - Empresa Brasileira de Aeronautica S.A.; Fokker Services; Frakes Aviation; Gulfstream Aerospace Corporation; Gulfstream Aerospace LP; Hawker Beechcraft Corporation; Hawker Beechcraft Corporation; Hawker Beechcraft Corporation; Hawker Beechcraft Corporation; Hawker Beechcraft Corporation; Hawker Beechcraft Corporation; Hawker Beechcraft Corporation; Hawker Beechcraft Corporation; Hawker Beechcraft Corporation; Hawker Beechcraft Corporation; Hawker Beechcraft Corporation; Hawker Beechcraft Corporation; Hawker Beechcraft Corporation; Hawker Beechcraft Corporation; Hawker Beechcraft Corporation; Hawker Beechcraft Corporation; Israel Aircraft Industries Ltd.; Israel Aircraft Industries Ltd.; Learjet Inc.; Learjet Inc.; Learjet Inc.; Learjet Inc.; Learjet Inc.; Learjet Inc.; Learjet Inc.; Learjet Inc.; Learjet Inc.; Learjet Inc.; Learjet Inc.; Learjet Inc.; Learjet Inc.; Learjet Inc.; Learjet Inc.; Learjet Inc.; Learjet Inc.; Saab AB Saab Aerosystems; Saab AB Saab Aerosystems; Sabreliner Corporation; Viking Air Limited; Viking Air Limited; Viking Air Limited; Viking Air Limited
Models
ATR42-200, ATR42-300, ATR42-320, ATR42-500, ATR72-101, ATR72-102, ATR72-201, ATR72-202, ATR72-211, ATR72-212, ATR72-212A, Jetstream Model 4101, 707-300 Series, 707-300B Series, 707-300C Series, 707-400 Series, 727-100 Series, 727-100C Series, 727-200 Series, 727-200F Series, 727 Series, 727C Series, DC-9-87 (MD-87), CL-600-1A11 (CL-600), CL-600-2A12 (CL-601), CL-600-2B16 (CL-601-3A), CL-600-2B16 (CL-601-3R), DHC-8-101, DHC-8-102, DHC-8-103, DHC-8-106, DHC-8-201, DHC-8-202, DHC-8-301, DHC-8-311, DHC-8-315, Concorde Type I, 500, 560, 650, 750, S550, Falcon 10, Fan Jet Falcon Series D, Fan...
Type certificates
A53EU, A53EU, A53EU, A53EU, A53EU, A53EU, A53EU, A53EU, A53EU, A53EU, A53EU, A41NM, 4A26, 4A26, 4A26, 4A26, A3WE, A3WE, A3WE, A3WE, A3WE, A3WE, A6WE, A21EA, A21EA, A21EA, A21EA, A13NM, A13NM, A13NM, A13NM, A13NM, A13NM, A13NM, A13NM, A13NM, A45EU, A22CE, A22CE, A9NM, T00007WI, A22CE, A33EU, A7EU, A7EU, A7EU, A7EU, A40EU, A7EU, A7EU, A7EU, A7EU, A7EU, A46EU, A46EU, A43EU, A43EU, A43EU, A43EU, A43EU, A21NM, A21NM, A21NM, A21NM, A31SO, A31SO, A31SO, A-817, A-783, A12EA, A16NM, A16SW, A3EU, A3EU, A3EU, A3EU, A3EU, A3EU, A3EU, A3EU, A3EU, A3EU, A3EU, A3EU, A3EU, A3EU, A16SW, A2SW, A2SW, A10CE, A10CE, A10CE, A10CE, A10CE, A10CE, A10CE, A10CE, A10CE, A10CE, A10CE, A10CE, A10CE, A10CE, A10CE, A10CE, A10CE, A52EU, A52EU, A2WE, A20EA, A20EA, A20EA, A20EA
On this site
Aerospatiale/Aeritalia ATR 42 16 registered
Aerospatiale ATR 72 9 registered
Atr-Gie Avions De Trnsp Region ATR42 6 registered
Atr-Gie Avions De Trnsp Rgnl ATR 72 14 registered
Boeing Of Canada/Dehav Div DHC-8 6 registered
Boeing 707 9 registered
Boeing 727 37 registered
Bombardier CL-600 Challenger and CRJ 1,655 registered
British Aerospace BAE 125 76 registered
Cessna S550 94 registered
Construcciones Aeronauticas Sa C-212 16 registered
Construcciones Aeronauticas Sa CN-235 10 registered
Dassault FALCON 10 57 registered
Dassault MYSTERE FALCON 20-F5 12 registered
Dassault MYSTERE FALCON 200 9 registered
Dassault MYSTERE-FALCON 50 90 registered
Dassault MYSTERE FALCON 900 129 registered
Dehavilland DHC-7 7 registered
Dehavilland DHC-8 28 registered
Embraer EMB-120 41 registered
Hawker Siddeley HS.125 SERIES 700A 7 registered
Israel Aircraft Industries 1124 73 registered
Israel Aircraft Industries 1125 36 registered
Learjet 35 161 registered
Mcdonnell Douglas DC-9 93 registered
Mitsubishi MU-300 17 registered
Rockwell International Corp NA-265 33 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 21, 2026.