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

SA01639NY

Replacement of 12 refrigerant in air conditioning system with Enviro Refrigerant Hotshot R414B. Held by Scale Modelbuilders INC. (Canada). Last revised June 1, 2004. System: heating, ice protection and utility systems.

What it applies to

Kind of product
Aircraft
Design holder
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Models
AT-401, AT-401A, AT-401B, AT-402, AT-402A, AT-402B, AT-501, AT-502, AT-502A, AT-502B, AT-503, AT-503A, AT-602, AT-802, AT-802A, AT-250, AT-300, AT-301, AT-302, AT-400, AT-400A, G-164, G-164A, G-164B, G-164B-15T, G-164B-20T, G-164B-34T, G-164B (with 73 inch wing gap), G-164C, G-164D, G-164D (with 73 inch wing gap), 600-S-2C, S-2B, S-2C, 600 S-2D, S-2R, S2R-R1340, S2R-R3S, S2R-T11, S2R-T15, S2R-T34, 600 S-2D, S-2R, S2R-G1, S2R-G10, S2R-G5, S2R-G6, S2R-R1340, S2R-R1820, S2R-R3S, S2R-T11, S2R-T15, S2R-T34, S2R-T45, S2R-T65, S2R-T660, S2RHG-T34, S2RHG-T65, 35-33, 35-A33, 35-B33, 35-C33,...
Type certificates
A17SW, A17SW, A17SW, A17SW, A17SW, A17SW, A17SW, A17SW, A17SW, A17SW, A17SW, A17SW, A19SW, A19SW, A19SW, A9SW, A9SW, A9SW, A9SW, A9SW, A9SW, 1A16, 1A16, 1A16, 1A16, 1A16, 1A16, 1A16, 1A16, 1A16, 1A16, 2A7, 2A7, 2A7, A3SW, A3SW, A3SW, A3SW, A3SW, A3SW, A3SW, A4SW, A4SW, A4SW, A4SW, A4SW, A4SW, A4SW, A4SW, A4SW, A4SW, A4SW, A4SW, A4SW, A4SW, A4SW, A4SW, A4SW, 3A15, 3A15, 3A15, 3A15, 3A15, 3A15, 3A15, 3A15, 3A15, 3A15, 3A15, 3A15, 3A15, 3A15, 3A15, 3A15, 3A15, 3A15, 3A15, 3A15, 3A15, 3A15, 3A15, 3A15, 3A15, 3A15, 3A16, 3A16, 3A16, 3A16, 3A16, 3A16, 3A16, 3A16, 3A16, 3A16, 3A16, 3A16, 3A16, 3A16, 3A16, 3A16, 3A16, 3A16, 3A16, 3A16, 3A20, 3A20, 3A20, 3A20, 3A20, 3A20, 3A20, 3A20, 3A20, 3A20, 3A20, 3A20, 3A20, 3A20, 3A20, 3A20, 3A20, 3A20, 3A20, 3A20, A-777, A-777, A-777, A-777, A-777, A-777, A-777, A-777, A-777, A12CE, A12CE, A12CE, A14CE, A14CE, A14CE, A14CE, A14CE, A14CE, A14CE, A14CE, A14CE, A14CE, A14CE, A16SW, A16SW, A16SW, A16SW, A23CE, A23CE, A23CE, A23CE, A24CE, A24CE, A24CE, A24CE, A24CE, A24CE, A24CE, A24CE, A24CE, A24CE, A24CE, A24CE, A24CE, A24CE, A24CE, A24CE, A24CE, A24CE, A24CE, A24CE, A24CE, A24CE, A24CE, A24CE, A24CE, A24CE, A24CE, A24CE, A24CE, A24CE, A24CE, A24CE, A24CE, A24CE, A24CE, A24CE, A29CE, A31CE
On this site
Air Tractor Inc AT-301 83 registered
Air Tractor Inc AT-400 49 registered
Air Tractor Inc AT-401 68 registered
Air Tractor Inc AT-402 160 registered
Air Tractor Inc AT-502 501 registered
Air Tractor Inc AT-602 245 registered
Air Tractor Inc AT-802 687 registered
Ayres Corporation S-2 244 registered
Beechcraft 1900 Airliner 157 registered
Beechcraft 300 King Air 300 131 registered
Beechcraft 35 Bonanza and Debonair 1,077 registered
Beechcraft 58 Baron 1,295 registered
Beechcraft 65 201 registered
Beechcraft 95 Travel Air and Baron 55 1,244 registered
Beechcraft A100 15 registered
Beechcraft A200 34 registered
Beechcraft A36 Bonanza 2,530 registered
Beechcraft A65 7 registered
Beechcraft B100 58 registered
Beechcraft B200 King Air B200 715 registered
Beechcraft B300 King Air 350 784 registered
Beechcraft B36 Bonanza 308 registered
Mitsubishi MU-300 17 registered
Schweizer Aircraft Corp G-164 64 registered
Snow 600 7 registered
Thrush Aircraft Inc S-2 102 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 26, 2026.