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

SA11300DS

Upgrade previously installed Collins Aerospace Radar Altimeter. Held by Bhe & Associates LTD., which holds 9 approved modifications in all. Last revised June 3, 2025. System: instruments and avionics.

What it applies to

Kind of product
Aircraft
Design holder
Gulfstream Aerospace LP; Ontic Engineering and Manufacturing Inc.; Ontic Engineering and Manufacturing Inc.; Ontic Engineering and Manufacturing Inc.; Ontic Engineering and Manufacturing Inc.; Piaggio Aviation S.p.A.; 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; Textron Aviation Inc.; Textron Aviation Inc.; Textron Aviation Inc.; Textron Aviation Inc.; Textron Aviation Inc.; Textron Aviation Inc.; Textron Aviation Inc.; Textron Aviation Inc.; Textron Aviation Inc.; Textron Aviation Inc.; Textron Aviation Inc.; Textron Aviation Inc.; Textron Aviation Inc.; Textron Aviation Inc.; Textron Aviation Inc.; Textron Aviation Inc.; Textron Aviation Inc.; Textron Aviation Inc.; Textron Aviation Inc.; Textron Aviation Inc.; Textron Aviation Inc.; Textron Aviation Inc.; Textron Aviation Inc.; Textron Aviation Inc.; Textron Aviation Inc.; Textron Aviation Inc.; Textron Aviation Inc.; Textron Aviation Inc.; Textron Aviation Inc.; Textron Aviation Inc.; Textron Aviation Inc.; Textron Aviation Inc.; Textron Aviation Inc.; Textron Aviation Inc.; Textron Aviation Inc.; Textron Aviation Inc.; Textron Aviation Inc.; Textron Aviation Inc.; Textron Aviation Inc.; Textron Aviation Inc.; Textron Aviation Inc.
Models
1125 Westwind Astra, SA226-TC, SA227-AC (C-26A), SA227-BC (C-26A), SA227-PC, P-180, 680, 680-E, 680-F, 680-F(P), 680-FL, 680-FL(P), 680-T, 680-V, 680-W, 681, 685, 690, 690A, 690B, 690C, 690D, 695, 695A, 695B, 720, 525, 525A, 525B, 525C, 390, C90, C90A, C90GT, C90GTi, B200, B200C, B200C (C-12F), B200C (C-12R), B200C (UC-12F), B200C (UC-12M), B200CT, B200T, 300, 300LW, B300, B300C, B300C (MC-12W), B300C (UC-12W), 1900C, 1900C (C-12J), 1900D, A100-1 (U-21J), A200 (C-12A), A200 (C-12C), A200C (UC-12B), A200CT (C-12D), A200CT (FWC-12D), A200CT (C-12F), A200CT (RC-12D), A200CT (RC-12G), A200CT...
Type certificates
A16NM, A8SW, A8SW, A8SW, A8SW, A59EU, 2A4, 2A4, 2A4, 2A4, 2A4, 2A4, 2A4, 2A4, 2A4, 2A4, 2A4, 2A4, 2A4, 2A4, 2A4, 2A4, 2A4, 2A4, 2A4, 2A4, A1WI, A1WI, A1WI, A1WI, A00010WI, 3A20, 3A20, 3A20, 3A20, 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
On this site
Aero Commander 680 51 registered
Beechcraft 1900 Airliner 157 registered
Beechcraft 300 King Air 300 131 registered
Beechcraft A100 15 registered
Beechcraft A200 34 registered
Beechcraft B200 King Air B200 715 registered
Beechcraft B300 King Air 350 784 registered
Beechcraft C90 King Air C90 607 registered
Cessna 525 CitationJet (CJ series) 1,970 registered
Cessna 680 Citation Sovereign and Latitude 697 registered
Gulfstream Am Corp Comm Div 690 26 registered
Gulfstream 695 8 registered
Israel Aircraft Industries 1125 36 registered
Piaggio Aero Industries Spa P180 57 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 21, 2026.