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

SA01406NY

Installation of Airwolf remote mounted engine oil filter kit AFC-K017 on single and multi-engine fixed light aircraft and\nrotary wing. Held by Airwolf Filter Corporation, which holds 61 approved modifications in all. Last revised December 20, 2017. System: engine.

What it applies to

Kind of product
Aircraft
Design holder
Allied Ag Cat Productions Inc.; Boeing Airplane Company Wichita Division; Boeing Airplane Company Wichita Division; Boeing Airplane Company Wichita Division; Boeing Airplane Company Wichita Division; Boeing Airplane Company Wichita Division; Boeing Airplane Company Wichita Division; Boeing Airplane Company Wichita Division; Boeing Airplane Company Wichita Division; Boeing Airplane Company Wichita Division; Boeing Airplane Company Wichita Division; Boeing Airplane Company Wichita Division; The Boeing Company; The Boeing Company; The Boeing Company; The Boeing Company; Cessna Aircraft Company; Cessna Aircraft Company; Cessna Aircraft Company; Consolidated Vultee Aircraft Corporation Stinson Division; Consolidated Vultee Aircraft Corporation Stinson Division; Consolidated Vultee Aircraft Corporation Stinson Division; Consolidated Vultee Aircraft Corporation Stinson Division; Consolidated Vultee Aircraft Corporation Stinson Division; Consolidated Vultee Aircraft Corporation Stinson Division; Consolidated Vultee Aircraft Corporation Stinson Division; Consolidated Vultee Aircraft Corporation Stinson Division; Consolidated Vultee Aircraft Corporation Stinson Division; Consolidated Vultee Aircraft Corporation Stinson Division; Curtiss-Wright Corporation; Curtiss-Wright Corporation; Curtiss-Wright Corporation; Curtiss-Wright Corporation; Curtiss-Wright Corporation; Curtiss-Wright Corporation; Curtiss-Wright Corporation; Curtiss-Wright Corporation; Curtiss-Wright Corporation; Curtiss-Wright Corporation; Curtiss-Wright Corporation; Curtiss-Wright Corporation; Curtiss-Wright Corporation; Curtiss-Wright Corporation; Curtiss-Wright Corporation; Curtiss-Wright Corporation; Curtiss-Wright Corporation; Curtiss-Wright Corporation; Curtiss-Wright Corporation; Curtiss-Wright Corporation; Curtiss-Wright Corporation; Curtiss-Wright Corporation; Curtiss-Wright Corporation; Curtiss-Wright Corporation; Curtiss-Wright Corporation; Curtiss-Wright Corporation; Curtiss-Wright Corporation; Curtiss-Wright Corporation; Curtiss-Wright Corporation; Curtiss-Wright Corporation; Curtiss-Wright Corporation; Curtiss-Wright Corporation; Curtiss-Wright Corporation; Douglas Aircraft Co. Inc.; Douglas Aircraft Co. Inc.; Douglas Aircraft Co. Inc.; Douglas Aircraft Co. Inc.; Douglas Aircraft Co. Inc.; Douglas Aircraft Co. Inc.; Douglas Aircraft Co. Inc.; Douglas Aircraft Co. Inc.; Fairchild Hiller Corporation; Fairchild Hiller Corporation; Fairchild Hiller Corporation; Fairchild Hiller Corporation; Fairchild Hiller Corporation; Fairchild Industries Inc.; Fairchild Industries Inc.; Fairchild Industries Inc.; Fairchild Industries Inc.; Fairchild Industries Inc.; Fairchild Industries Inc.; Fairchild Industries Inc.; Fairchild Industries Inc.; Fairchild Industries Inc.; Fairchild Industries Inc.; Fairchild Industries Inc.; Fairchild Industries Inc.; Fairchild Industries Inc.; Fairchild Industries Inc.; Fairchild Personal Planes Division Fairchild Engine and Airplane Corp.; Fairchild Personal Planes Division Fairchild Engine and Airplane Corp.; Fairchild Personal Planes Division Fairchild Engine and Airplane Corp.; Fairchild Personal Planes Division Fairchild Engine and Airplane Corp.; Fairchild Personal Planes Division Fairchild Engine and Airplane Corp.; Fairchild Personal Planes Division Fairchild Engine and Airplane Corp.; Fairchild Personal Planes Division Fairchild Engine and Airplane Corp.; Fairchild Personal Planes Division Fairchild Engine and Airplane Corp.; Fairchild Personal Planes Division Fairchild Engine and Airplane Corp.; Great Lakes Aircraft Company; Gulfstream American Corporation; Gulfstream American Corporation; Gulfstream American Corporation; Hamilton Aircraft Company Inc.; Hamilton Aircraft Company Inc.; Howard Aircraft Foundation; Howard Aircraft Foundation; Howard Aircraft Foundation; Howard Aircraft Foundation; Howard Aircraft Foundation; Howard Aircraft Foundation; Howard Aircraft Foundation; Meyers Industries Incorporated; Meyers Industries Incorporated; Meyers Industries Incorporated; Mitchel Dean W.; Naval Aircraft Factory; Orlando Helicopter Airways Inc.; Orlando Helicopter Airways Inc.; Orlando Helicopter Airways Inc.; Orlando Helicopter Airways Inc.; Orlando Helicopter Airways Inc.; Orlando Helicopter Airways Inc.; Polskie Zaklady Lotnieze Spolka zo.o; Polskie Zaklady Lotnieze Spolka zo.o; Polskie Zaklady Lotnieze Spolka zo.o; Ryan Aeronautical Company; Thompson Aircraft Sales; Utterback B.; Utterback B.; Utterback B.; Utterback B.; The Waco Aircraft Company; The Waco Aircraft Company; The Waco Aircraft Company; The Waco Aircraft Company; The Waco Aircraft Company; The Waco Aircraft Company; The Waco Aircraft Company; The Waco Aircraft Company; The Waco Aircraft Company; The Waco Aircraft Company; The Waco Aircraft Company; The Waco Aircraft Company; The Waco Aircraft Company; The Waco Aircraft Company; The Waco Aircraft Company; The Waco Aircraft Company; The Waco Aircraft Company; The Waco Aircraft Company; The Waco Aircraft Company; The Waco Aircraft Company; The Waco Aircraft Company; The Waco Aircraft Company; The Waco Aircraft Company; The Waco Aircraft Company; The Waco Aircraft Company; The Waco Aircraft Company; The Waco Aircraft Company; The Waco Aircraft Company; The Waco Aircraft Company; The Waco Aircraft Company; The Waco Aircraft Company; The Waco Aircraft Company; The Waco Aircraft Company; The Waco Aircraft Company; The Waco Aircraft Company
Models
G-164, A75 (Army PT-13A; -13B; -13C), A75J1 (Army PT-18), A75L3, A75L300, A75N1 (Army PT-17; -17A; Navy N2S-1; -4), B75 (Navy N2S-5), B75N1 (Navy N2S-3), D75N1 (Army PT-27), E75 (Army PT-13D; Navy N2S-5; PT-13D/N2S-5), E75N1 (Army PT-13D; Navy N2S-5; PT-13D/N2S-5), IB75A, NA-260, R4D-8, R4D-8Z, Super DC-3, 195, 195A, 195B, BT-15, SR-10D, SR-10E (Army UC-81H), SR-10K, SR-8D (Army UC-81B), SR-8E, SR-9D (Army UC-81G), SR-9DM, SR-9E (Army UC-81J), SR-9EM (Army UC-81M), 22B, A22, Fledgling, Fledgling J-1 Special, Kingbird D-2, Robin (Skis), Robin 4C-1A, Robin, Robin C-1, Robin C-2, Robin J-1,...
Type certificates
1A16, A-743, A-743, A-743, A-743, A-743, A-743, A-743, A-743, A-743, A-743, A-743, 1A18, 6A2, 6A2, 6A2, A-790, A-790, A-790, A-2-571, TC 679, TC 679, TC 679, ATC 609, ATC 609, ATC 625, ATC 625, ATC 625, ATC 625, TC 2-549, TC 2-549, ATC 191, TC 2-472, ATC 348, ATC 63/69, ATC 309, ATC 40/68, ATC 143, ATC 144 Curtiss-Wright, ATC 220, ATC 220, ATC 426, ATC 444, ATC 278, ATC 401, ATC 407, ATC 463, ATC 411, ATC 32 Curtiss-Wright, ATC 352, ATC 442, ATC 485, TC 2-403, ATC 146 Curtiss-Wright, TC 2-381, ATC 149, TC 2-84, TC 2-178, ATC 188, ATC 205, ATC 130, ATC 112, TC 2-577, TC 2-577, TC 2-577, ATC 540, ATC 540, TC 2-576, ATC 540, TC 2-576, A-724, A-724, A-724, A-724, A-724, ATC 438, ATC 438, ATC 438, ATC 497, ATC 576, ATC 576, ATC 600, ATC 600, ATC 610, ATC 610, ATC 633, ATC 633, ATC 632, ATC 632, A-707, A-707, A-707, A-707, A-707, A-707, A-707, A-707, A-707, ATC 167, A-734, A-734, A-734, A1WE, A1WE, TC 645, A-717, A-717, TC 739, TC 739, TC 612, TC 645, A-736, A-736, A-736, A8CE, A-2-569, HR1SO, HR1SO, HR1SO, HR1SO, HR1SO, HR1SO, A47EU, A47EU, A47EU, A-749, AR-30, LTC-17, LTC-17, LTC-17, LTC-17, ATC-11, TC 664, TC 598, ATC 41, ATC 123, TC 677, ATC 168, ATC 240, ATC 257, ATC 42 Waco, ATC 345, ATC 464, ATC 491, ATC 453, ATC 502, ATC 311, A-533, A-533, A-533, TC 626, ATC 542, ATC 569, ATC 569, ATC 586, ATC 586, ATC 586, TC 598, ATC 627, TC 664, A-533, TC 626, ATC 586, ATC 586, TC 598, TC 677
On this site
Ag-Cat Corporation G-164 5 registered
Boeing A75 Stearman Kaydet 979 registered
Boeing B75 Stearman Kaydet 257 registered
Boeing D75 35 registered
Boeing E75 Stearman Kaydet 343 registered
Boeing IB75 12 registered
Consolidated Vultee BT-15 8 registered
Curtiss Wright ROBIN 20 registered
Curtiss Wright ROBIN C-1 10 registered
Curtiss Wright TRAVEL AIR 4000 55 registered
Curtiss Wright TRAVEL AIR D-4000 5 registered
Curtiss Wright TRAVEL AIR E-4000 8 registered
Fairchild 22 21 registered
Fairchild 24 242 registered
Fairchild M-62 186 registered
Grumman SCAN TYPE 30 8 registered
Howard Aircraft DGA-15 97 registered
Meyers OTW-145 11 registered
Meyers OTW-160 18 registered
Ryan Aeronautical ST3 117 registered
Sikorsky UH-19 7 registered
Stinson SR-10 17 registered
Waco YKS-6 15 registered
Waco YKS-7 21 registered
Waco YQC-6 5 registered
Waco ZKS-7 5 registered
Waco ZQC-6 7 registered
Wsk-Pzl Meilec PZL M18B 8 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.