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

SA662WE

Installation of Brittain Industries, Inc., Model B1-400 Hi-Lo Sensitivity Adaptor. Held by Brittain Industries, INC, which holds 232 approved modifications in all. Last revised November 19, 2013. System: other and general.

What it applies to

Kind of product
Aircraft
Design holder
American Navion Society Ltd.; American Navion Society Ltd.; Beechcraft Corporation; Beechcraft Corporation; Beechcraft Corporation; Beechcraft Corporation; Beechcraft Corporation; Beechcraft Corporation; Beechcraft Corporation; Beechcraft Corporation; Beechcraft Corporation; Beechcraft Corporation; Beechcraft Corporation; Beechcraft Corporation; Beechcraft Corporation; Beechcraft Corporation; Beechcraft Corporation; Beechcraft Corporation; Beechcraft Corporation; Beechcraft Corporation; Beechcraft Corporation; Beechcraft Corporation; Beechcraft Corporation; Beechcraft Corporation; Beechcraft Corporation; Beechcraft Corporation; Beechcraft Corporation; Beechcraft Corporation; Beechcraft Corporation; Beechcraft Corporation; Beechcraft Corporation; Beechcraft Corporation; Beechcraft Corporation; Beechcraft Corporation; Beechcraft Corporation; Beechcraft Corporation; Beechcraft Corporation; Beechcraft Corporation; Beechcraft Corporation; Beechcraft Corporation; Beechcraft Corporation; Beechcraft Corporation; Beechcraft Corporation; Beechcraft Corporation; Beechcraft Corporation; Beechcraft Corporation; Beechcraft Corporation; Beechcraft Corporation; Beechcraft Corporation; Beechcraft Corporation; Beechcraft Corporation; Beechcraft Corporation; Beechcraft Corporation; Beechcraft Corporation; Beechcraft Corporation; Beechcraft Corporation; Beechcraft Corporation; Beechcraft Corporation; Beechcraft Corporation; Beechcraft Corporation; Beechcraft Corporation; Beechcraft Corporation; Beechcraft Corporation; Beechcraft Corporation; Beechcraft Corporation; Beechcraft Corporation; Beechcraft Corporation; Beechcraft Corporation; Beechcraft Corporation; Beechcraft Corporation; Beechcraft Corporation; Beechcraft Corporation; Beechcraft Corporation; 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; 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; 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; 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; 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; 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; 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; Cessna Aircraft Company; Cessna Aircraft Company; Cessna Aircraft Company; Cessna Aircraft Company; Cessna Aircraft Company; Cessna Aircraft Company; Cessna Aircraft Company; Cessna Aircraft Company; Piper Aircraft Inc.; Piper Aircraft Inc.; Piper Aircraft Inc.; Piper Aircraft Inc.; Piper Aircraft Inc.; Piper Aircraft Inc.; Piper Aircraft Inc.; Piper Aircraft Inc.; Piper Aircraft Inc.; Piper Aircraft Inc.; Piper Aircraft Inc.; Piper Aircraft Inc.; Piper Aircraft Inc.; Piper Aircraft Inc.; Piper Aircraft Inc.; Piper Aircraft Inc.; Piper Aircraft Inc.; Piper Aircraft Inc.; Piper Aircraft Inc.; Piper Aircraft Inc.; Piper Aircraft Inc.; Piper Aircraft Inc.; Piper Aircraft Inc.; Piper Aircraft Inc.; Piper Aircraft Inc.; Piper Aircraft Inc.; Piper Aircraft Inc.; Piper Aircraft Inc.; Piper Aircraft Inc.; Piper Aircraft Inc.; Piper Aircraft Inc.; Sierra Hotel Aero Inc.; Sierra Hotel Aero Inc.; Sierra Hotel Aero Inc.; Sierra Hotel Aero Inc.; Sierra Hotel Aero Inc.; Sierra Hotel Aero Inc.; Sierra Hotel Aero Inc.; Sierra Hotel Aero Inc.; Twin Commander Aircraft LLC; Twin Commander Aircraft LLC; Twin Commander Aircraft LLC; Twin Commander Aircraft LLC; Twin Commander Aircraft LLC; Twin Commander Aircraft LLC; Twin Commander Aircraft LLC; Twin Commander Aircraft LLC; Twin Commander Aircraft LLC; Twin Commander Aircraft LLC; Twin Commander Aircraft LLC; Twin Commander Aircraft LLC; Twin Commander Aircraft LLC; Twin Commander Aircraft LLC; Twin Commander Aircraft LLC; Twin Commander Aircraft LLC; Twin Commander Aircraft LLC; Twin Commander Aircraft LLC; Twin Commander Aircraft LLC; Twin Commander Aircraft LLC; Twin Commander Aircraft LLC
Models
D-16, D-16A, 19A, 23, 35-33, 35-A33, 35-B33, 35-C33, 35-C33A, 35, 35R, 36, 56TC, 58, 58A, 95-55, 95-A55, 95-B55, 95-B55A, 95-B55B, 95-C55, 95-C55A, 95, A23-19, A23-24, A23, A23A, A24, A24R, A35, A36, A36TC, A56TC, B19, B23, B24R, B35, B36TC, B95, B95A, C23, C24R, C35, D35, D55, D55A, D95A, E33, E33A, E33C, E35, E55, E55A, E95, F33, F33A, F33C, F35, G33, G35, G36, G58, H35, J35, K35, M19A, M35, N35, P35, S35, V35, V35A, V35B, 182, 182A, 182B, 182C, 182D, 182E, 182F, 182G, 182H, 182J, 182K, 182L, 182M, 182N, 182P, 182Q, 182R, 182S, 182T, 210-5 (205), 210-5A (205A), 210, 210A, 210B, 210C,...
Type certificates
2A1, 2A1, A1CE, A1CE, 3A15, 3A15, 3A15, 3A15, 3A15, A-777, A-777, 3A15, 3A16, 3A16, 3A16, 3A16, 3A16, 3A16, 3A16, 3A16, 3A16, 3A16, 3A16, A1CE, A1CE, A1CE, A1CE, A1CE, A1CE, A-777, 3A15, 3A15, 3A16, A1CE, A1CE, A1CE, A-777, 3A15, 3A16, 3A16, A1CE, A1CE, A-777, A-777, 3A16, 3A16, 3A16, 3A15, 3A15, 3A15, A-777, 3A16, 3A16, 3A16, 3A15, 3A15, 3A15, A-777, 3A15, A-777, 3A15, 3A16, 3A15, 3A15, 3A15, A1CE, 3A15, 3A15, 3A15, 3A15, 3A15, 3A15, 3A15, 3A13, 3A13, 3A13, 3A13, 3A13, 3A13, 3A13, 3A13, 3A13, 3A13, 3A13, 3A13, 3A13, 3A13, 3A13, 3A13, 3A13, 3A13, 3A13, 3A21, 3A21, 3A21, 3A21, 3A21, 3A21, 3A21, 3A21, 3A21, 3A21, 3A21, 3A21, 3A21, 3A21, 3A21, 3A21, 3A21, 3A10, 3A10, 3A10, 3A10, 3A10, 3A10, 3A10, 3A10, 3A10, 3A10, 3A10, 3A10, 3A10, 3A10, 3A10, 3A10, 3A10, 3A10, 3A25, 3A25, 3A25, 3A25, 3A25, 3A25, 3A25, 3A25, 3A25, 3A25, 3A25, 3A10, 3A10, 3A21, 3A21, 3A13, 3A13, 3A13, 3A21, 3A21, 3A21, 3A21, 3A21, 3A21, 3A21, 3A21, 3A21, 3A10, 3A10, 3A10, 3A13, 1A10, 1A10, 1A10, 1A10, 1A10, 1A15, 1A15, 1A15, 1A15, 2A13, 2A13, 2A13, 2A13, 2A13, 2A13, 2A13, 2A13, 2A13, 2A13, 2A13, 2A13, 2A13, 2A13, 2A13, 2A13, 2A13, 2A13, A1EA, A1EA, A1EA, 1A10, A-782, A-782, A-782, A-782, A-782, A-782, A-782, A-782, 2A4, 2A4, 2A4, 2A4, 2A4, 2A4, 2A4, 2A4, 2A4, 2A4, 2A4, 2A4, 2A4, 2A4, 2A4, 2A4, 2A4, 2A4, 2A4, 2A4, 2A4
On this site
Aero Commander 680 51 registered
Beechcraft 19 41 registered
Beechcraft 23 147 registered
Beechcraft 35 Bonanza and Debonair 1,077 registered
Beechcraft 36 Bonanza 111 registered
Beechcraft 56 37 registered
Beechcraft 58 Baron 1,295 registered
Beechcraft 95 Travel Air and Baron 55 1,244 registered
Beechcraft A23 329 registered
Beechcraft A24 49 registered
Beechcraft A35 160 registered
Beechcraft A36 Bonanza 2,530 registered
Beechcraft B-19 Sport 147 registered
Beechcraft B23 62 registered
Beechcraft B24 117 registered
Beechcraft B35 148 registered
Beechcraft B36 Bonanza 308 registered
Beechcraft B95 86 registered
Beechcraft C23 Sundowner 457 registered
Beechcraft C24 176 registered
Beechcraft C35 258 registered
Beechcraft D35 142 registered
Beechcraft D55 119 registered
Beechcraft D95 73 registered
Beechcraft E-55 215 registered
Beechcraft E33 135 registered
Beechcraft E35 141 registered
Beechcraft E95 6 registered
Beechcraft F33 Bonanza 1,009 registered
Beechcraft F35 192 registered
Beechcraft G33 41 registered
Beechcraft G35 224 registered
Beechcraft G36 Bonanza 380 registered
Beechcraft G58 186 registered
Beechcraft H35 224 registered
Beechcraft J35 221 registered
Beechcraft K35 Bonanza 237 registered
Beechcraft M35 225 registered
Beechcraft N35 167 registered
Beechcraft P35 319 registered
Beechcraft S35 Bonanza 459 registered
Beechcraft V35 Bonanza 1,661 registered
Cessna 210 Centurion 1,528 registered
Cessna P210 Pressurized Centurion 443 registered
Cessna R182 Skylane RG 706 registered
Cessna T-310 207 registered
Cessna T182 Turbo Skylane 935 registered
Cessna T210 Turbo Centurion 1,283 registered
Cessna TR182 Turbo Skylane RG 465 registered
Navion NAVION B 42 registered
Navion NAVION D 5 registered
Navion NAVION F 6 registered
Navion NAVION G 61 registered
Navion NAVION H 36 registered
Piper PA-23 Apache and Aztec 1,316 registered
Piper PA-24 Comanche 2,428 registered
Piper PA-28 Cherokee, Warrior, Archer and Arrow 18,636 registered
Piper PA-30 Twin Comanche 879 registered
Piper PA-39 Twin Comanche C/R 82 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 20, 2026.