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

ST02540AT-D (1)

Installation of replacement fuel tank sealant system. Held by Ffc Manufacturing, which holds 86 approved modifications in all. Last revised April 16, 2009. System: fuel system.

What it applies to

Kind of product
Aircraft
Design holder
BAE Systems (Operations) Limited; 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; 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; 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; The Boeing Company; The Boeing Company; The Boeing Company; The Boeing Company; The Boeing Company; The Boeing Company; The Boeing 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; The de Havilland Aircraft Co. Ltd.; Dornier Luftfahrt GmbH; Dornier Luftfahrt GmbH; Dornier Luftfahrt GmbH; Dornier Luftfahrt GmbH; Dornier Luftfahrt GmbH; Dornier Luftfahrt GmbH; Dornier Luftfahrt GmbH; Dornier Luftfahrt GmbH; Embraer - Empresa Brasileira de Aeronautica S.A.; Embraer - Empresa Brasileira de Aeronautica S.A.; Embraer - Empresa Brasileira de Aeronautica S.A.; Embraer - Empresa Brasileira de Aeronautica S.A.; Embraer - Empresa Brasileira de Aeronautica S.A.; Embraer - Empresa Brasileira de Aeronautica S.A.; Embraer - Empresa Brasileira de Aeronautica S.A.; Embraer - Empresa Brasileira de Aeronautica S.A.; Embraer - Empresa Brasileira de Aeronautica S.A.; Embraer - Empresa Brasileira de Aeronautica S.A.; Embraer - Empresa Brasileira de Aeronautica S.A.; Embraer - Empresa Brasileira de Aeronautica S.A.; Embraer - Empresa Brasileira de Aeronautica S.A.; Fokker Services; Fokker Services; Fokker Services; Fokker Services; Fokker Services; Fokker Services; Fokker Services; Fokker Services; Fokker Services; Fokker Services; Fokker Services; Fokker Services; Fokker Services; Fokker Services; Grumman American Aviation Corporation; Grumman American Aviation Corporation; Gulfstream Aerospace Corporation; Gulfstream Aerospace Corporation; Gulfstream Aerospace Corporation; Gulfstream Aerospace Corporation; Gulfstream Aerospace Corporation; Gulfstream Aerospace Corporation; Gulfstream Aerospace Corporation; Gulfstream Aerospace LP; Gulfstream Aerospace LP; Gulfstream American Corporation; Learjet Inc.; Learjet Inc.; Learjet Inc.; Learjet Inc.; Learjet Inc.; Learjet Inc.; Learjet Inc.; Learjet Inc.; Learjet Inc.; Learjet Inc.; Learjet Inc.; McDonnell Douglas Corporation; McDonnell Douglas Corporation; McDonnell Douglas Corporation; McDonnell Douglas Corporation; McDonnell Douglas Corporation; McDonnell Douglas Corporation; McDonnell Douglas Corporation; McDonnell Douglas Corporation; McDonnell Douglas Corporation; McDonnell Douglas Corporation; McDonnell Douglas Corporation; McDonnell Douglas Corporation; McDonnell Douglas Corporation; McDonnell Douglas Corporation; McDonnell Douglas Corporation; McDonnell Douglas Corporation; McDonnell Douglas Corporation; McDonnell Douglas Corporation; McDonnell Douglas Corporation; McDonnell Douglas Corporation; McDonnell Douglas Corporation; McDonnell Douglas Corporation; McDonnell Douglas Corporation; McDonnell Douglas Corporation; McDonnell Douglas Corporation; McDonnell Douglas Corporation; McDonnell Douglas Corporation; McDonnell Douglas Corporation; McDonnell Douglas Corporation; McDonnell Douglas Corporation; McDonnell Douglas Corporation; McDonnell Douglas Corporation; McDonnell Douglas Corporation; McDonnell Douglas Corporation; McDonnell Douglas Corporation; McDonnell Douglas Corporation; McDonnell Douglas Corporation; McDonnell Douglas Corporation; McDonnell Douglas Corporation; McDonnell Douglas Corporation; McDonnell Douglas Corporation; McKinnon A. G.; McKinnon A. G.; McKinnon A. G.; McKinnon A. G.; 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; Saab Aircraft AB; Saab Aircraft AB; Airbus; Airbus; Airbus; Airbus; Airbus; Airbus; Airbus; Airbus; Airbus; Airbus; Airbus; Airbus; Airbus; Airbus; Airbus; Airbus; Airbus; Airbus; Airbus; Airbus; Airbus; Airbus; Airbus; Airbus; Airbus; Airbus; Airbus; Airbus; Airbus; Airbus; Airbus; Airbus; Airbus; Airbus; Airbus; Airbus; Airbus; Airbus; Airbus; Airbus; Airbus; Airbus; Airbus; Airbus; Airbus; Airbus; Airbus; Airbus; Airbus; Airbus; Airbus; Airbus; Airbus; Airbus; Airbus; 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; Cessna Aircraft Company
Models
ATP, Jetstream Model 4101, 707-100 Long Body, 707-100B Long Body, 707-100B Short Body, 707-200, 707-300 Series, 707-300B Series, 707-300C Series, 707-400 Series, 737-100 Series, 737-200 Series, 737-200C Series, 737-300 Series, 737-400 Series, 737-500 Series, 737-600 Series, 737-700 Series, 767-200 Series, 767-300 Series, 747-100 Series, 747-100B Series, 747-100B SUD Series, 747-200B Series, 747-200C Series, 747-200F Series, 747-300 Series, 747-400 Series, 747-400D Series, 747-400F Series, 747SP Series, 747SR Series, 757-200 Series, 757-200CB Series, 757-200PF Series, 727-100 Series,...
Type certificates
A27NM, A41NM, 4A21, 4A21, 4A21, 4A21, 4A26, 4A26, 4A26, 4A26, A16WE, A16WE, A16WE, A16WE, A16WE, A16WE, A16WE, A16WE, A1NM, A1NM, A20WE, A20WE, A20WE, A20WE, A20WE, A20WE, A20WE, A20WE, A20WE, A20WE, A20WE, A20WE, A2NM, A2NM, A2NM, A3WE, A3WE, A3WE, A3WE, A3WE, A3WE, T00001SE, A46EU, A50NM, A7EU, A7EU, A7EU, A7EU, A7EU, A7EU, A7EU, A7EU, A7EU, A7EU, 7A10, A16EU, A16EU, A16EU, A16EU, A16EU, A16EU, A16EU, A16EU, A21SO, A21SO, A31SO, A31SO, A31SO, A31SO, T00011AT, T00011AT, T00011AT, T00011AT, T00011AT, T00011AT, T00011AT, A-817, A-817, A-817, A-817, A-817, A-817, A-817, A-817, A20EU, A20EU, A20EU, A20EU, A20EU, A20EU, TC 654, TC 654, 1A17, A11SO, A12EA, A12EA, A12EA, A12EA, A12EA, A16NM, A53NM, A-734, A10CE, A10CE, A10CE, A10CE, A10CE, A10CE, A10CE, A10CE, A10CE, A5CE, T00008WI, A22WE, A22WE, A22WE, A22WE, A22WE, A22WE, A22WE, A22WE, A22WE, A22WE, A22WE, A22WE, A22WE, A6WE, A6WE, A6WE, A6WE, A6WE, A6WE, A6WE, A6WE, A6WE, A6WE, A6WE, A6WE, A6WE, A6WE, A6WE, A6WE, A6WE, A6WE, A6WE, A6WE, A6WE, A6WE, A6WE, A6WE, A6WE, A6WE, A6WE, A6WE, 4A24, 4A24, 4A24, 4A24, A24CE, A3EU, A3EU, A3EU, A3EU, A3EU, A3EU, A3EU, A3EU, A47NM, A52EU, A28NM, A28NM, A28NM, A28NM, A28NM, A28NM, A28NM, A28NM, A28NM, A28NM, A28NM, A28NM, A28NM, A28NM, A28NM, A28NM, A28NM, A28NM, A28NM, A28NM, A28NM, A28NM, A28NM, A35EU, A35EU, A35EU, A35EU, A35EU, A35EU, A35EU, A35EU, A35EU, A35EU, A35EU, A35EU, A35EU, A35EU, A35EU, A35EU, A35EU, A35EU, A35EU, A35EU, A35EU, A35EU, A35EU, A35EU, A43NM, A43NM, A43NM, A43NM, A43NM, A43NM, A43NM, A43NM, A22CE, A22CE, A22CE, A22CE, A22CE, A27CE, A27CE, A28CE, A7CE, A9NM, T00007WI
On this site
Airbus A300 120 registered
Airbus A319 329 registered
Airbus A320 796 registered
Airbus A321 932 registered
Airbus A340 10 registered
Beechcraft 1900 Airliner 157 registered
Boeing 707 9 registered
Boeing 727 37 registered
Boeing 737 2,892 registered
Boeing 747 192 registered
Boeing 757 440 registered
Boeing 767 584 registered
Boeing 777 358 registered
British Aerospace BAE 125 76 registered
Cessna 560 Citation V, Ultra, Encore and Excel 1,344 registered
Dassault FALCON 2000 485 registered
Dassault FALCON 900 277 registered
Dassault MYSTERE FALCON 20-F5 12 registered
Dassault MYSTERE FALCON 200 9 registered
Dornier DO28 7 registered
Dornier DORNIER 228 11 registered
Douglas DC-10 8 registered
Douglas DC-9 7 registered
Embraer EMB-110 13 registered
Embraer EMB-120 41 registered
Embraer EMB-135 ERJ 135 and Legacy 118 registered
Embraer EMB-145 ERJ 145 313 registered
Israel Aircraft Industries 1125 36 registered
Israel Aircraft Industries GALAXY 19 registered
Mcdonnell Douglas Aircraft Co MD-88 10 registered
Mcdonnell Douglas DC-10 17 registered
Mcdonnell Douglas DC-9 93 registered
Mcdonnell Douglas MD-10 15 registered
Mcdonnell Douglas MD-11 104 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 22, 2026.