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

SA00681WI-D

Modification of Collins VHF-20/VHF-20A/VHF-20B VHF COMM Receiver Transmitter with CTL-20 Control Pro Line I System Installation to a Collins VHF-22C/VHF-22D VHF COMM Receiver Transmitter with CTL-22C Control 8.33 kHz Pro Line II System Installation. Held by Rockwell Collins INC, which holds 359 approved modifications in all. Last revised January 25, 2011. System: other and general.

What it applies to

Kind of product
Aircraft
Design holder
B-N Group Ltd.; B-N Group Ltd.; B-N Group Ltd.; B-N Group Ltd.; B-N Group Ltd.; B-N Group Ltd.; B-N Group Ltd.; B-N Group Ltd.; B-N Group Ltd.; B-N Group Ltd.; B-N Group Ltd.; B-N Group Ltd.; B-N Group Ltd.; B-N Group Ltd.; B-N Group Ltd.; Dornier Luftfahrt GmbH; Dornier Luftfahrt GmbH; Dornier Luftfahrt GmbH; Dornier Luftfahrt GmbH; Dornier Luftfahrt GmbH; Dornier Luftfahrt GmbH; 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; 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.; M7 Aerospace LP; M7 Aerospace LP; M7 Aerospace LP; M7 Aerospace LP; M7 Aerospace LP; M7 Aerospace LP; Mitsubishi Heavy Industries Ltd.; Mitsubishi Heavy Industries Ltd.; Mitsubishi Heavy Industries Ltd.; Mitsubishi Heavy Industries Ltd.; Mitsubishi Heavy Industries Ltd.; Mitsubishi Heavy Industries Ltd.; Mitsubishi Heavy Industries Ltd.; Mitsubishi Heavy Industries Ltd.; Mitsubishi Heavy Industries Ltd.; Mitsubishi Heavy Industries Ltd.; Nomad TC Pty Ltd; Pilatus Aircraft Limited; Pilatus Aircraft Limited; Pilatus Aircraft Limited; Pilatus Aircraft Limited; Pilatus Aircraft Limited; Pilatus Aircraft Limited; Pilatus Aircraft Limited; Pilatus Aircraft Limited; Pilatus Aircraft Limited; Pilatus Aircraft Limited; Pilatus Aircraft Limited; Pilatus Aircraft Limited; Pilatus Aircraft Limited; Pilatus Aircraft Limited; Pilatus Aircraft Limited; 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.; Short Brothers PLC; Short Brothers PLC; Twin Commander Aircraft LLC; Twin Commander Aircraft LLC; Twin Commander Aircraft LLC; Twin Commander Aircraft LLC; Twin Commander Aircraft LLC; Viking Air Limited; Viking Air Limited; Viking Air Limited
Models
BN-2, BN-2A, BN-2A-2, BN-2A-20, BN-2A-21, BN-2A-26, BN-2A-27, BN-2A-3, BN-2A-6, BN-2A-8, BN-2A-9, BN-2B-20, BN-2B-21, BN-2B-26, BN-2B-27, Dornier 228-100, Dornier 228-101, Dornier 228-200, Dornier 228-201, Dornier 228-202, Dornier 228-212, C90, 100, A100, A100A, B100, 200, 200C, 200CT, 200T, A200 (C-12A), A200 (C-12C), A200C (UC-12B), A200CT (C-12D), A200CT (C-12F), A200CT (FWC-12D), A200CT (RC-12D), A200CT (RC-12G), A200CT (RC-12H), B200, B200C (C-12F), B200C (C-12R), B200C (UC-12F), B200C (UC-12M), B200CT, B200T, F90, Arava 101, Arava 101B, SA226-AT, SA226-T, SA226-T(B), SA227-AT,...
Type certificates
A17EU, A17EU, A17EU, A17EU, A17EU, A17EU, A17EU, A17EU, A17EU, A17EU, A17EU, A17EU, A17EU, A17EU, A17EU, A16EU, A16EU, A16EU, A16EU, A16EU, A16EU, 3A20, A14CE, A14CE, A14CE, A14CE, A24CE, A24CE, A24CE, A24CE, A24CE, A24CE, A24CE, A24CE, A24CE, A24CE, A24CE, A24CE, A24CE, A24CE, A24CE, A24CE, A24CE, A24CE, A24CE, A24CE, A31CE, A32EU, A32EU, A5SW, A5SW, A5SW, A5SW, A8SW, A8SW, A10SW, A10SW, A10SW, A10SW, A10SW, A10SW, A10SW, A10SW, A2PC, A2PC, A7PC, 7A15, 7A15, 7A15, 7A15, 7A15, 7A15, 7A15, 7A15, 7A15, 7A15, 7A15, 7A15, 7A15, 7A15, A50EU, A20SO, A20SO, A20SO, A23SO, A23SO, A23SO, A8EA, A8EA, A8EA, A15EU, A15EU, 2A4, 2A4, 2A4, 2A4, 2A4, A9EA, A9EA, A9EA
On this site
Beechcraft A100 15 registered
Beechcraft A200 34 registered
Beechcraft B100 58 registered
Beechcraft B200 King Air B200 715 registered
Britten-Norman BN-2 54 registered
Dehavilland DHC-6 114 registered
Dornier DORNIER 228 11 registered
Mitsubishi MU-2 177 registered
Pilatus Britten-Norman Ltd. BN-2 13 registered
Pilatus PC-6 22 registered
Piper PA-31 Navajo and Chieftain 935 registered
Piper PA-42 59 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.