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

ST02893AT

Installation of a Boom Beam Taxi/Landing Light System. Held by Whelen Aerospace Technologies, which holds 57 approved modifications in all. System: electrical power.

What it applies to

Kind of product
Aircraft
Design holder
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; Dassault Aviation; Dassault Aviation; Dassault Aviation; Dassault Aviation; Dassault Aviation; Dassault Aviation; Gulfstream Aerospace LP; Learjet Inc.; Learjet Inc.; Learjet Inc.; Learjet Inc.; Learjet Inc.; Learjet Inc.; Learjet Inc.; Learjet Inc.; Learjet Inc.; Learjet Inc.; Learjet Inc.; Learjet Inc.; Learjet Inc.; Learjet Inc.; Learjet Inc.; Learjet Inc.; Learjet Inc.; Learjet Inc.; Learjet Inc.; Learjet Inc.; Learjet Inc.; Learjet Inc.; Learjet Inc.; Learjet Inc.; Learjet Inc.; Learjet Inc.
Models
400, 400A, 400T, BAe.125 Series 800A (U-125), Hawker 1000, Hawker 750, Hawker 800 (U-125A), Hawker 800, Hawker 800XP, Hawker 850XP, Hawker 900XP, HS.125 Series 700A, HS.125 Series 700B, MU-300-10, MU-300, 500, 501, 525, 525A, 525B, 550, 551, 552, 560, 560XL, 680, 750, S550, Falcon 7X, Falcon 900EX, FALCON 2000, FALCON 2000EX, Mystere-Falcon 50, Mystere-Falcon 900, G280, 24, 24A, 24B-A, 24B, 24C, 24D-A, 24D, 24E, 24F-A, 24F, 25, 25A, 25B, 25C, 25D, 25F, 31, 31A, 35, 35A (C-21A), 36, 36A, 55, 55B, 55C, 60
Type certificates
A16SW, A16SW, A16SW, A3EU, A3EU, A3EU, A3EU, A3EU, A3EU, A3EU, A3EU, A3EU, A3EU, A16SW, A14SW, A22CE, A27CE, A1WI, A1WI, A1WI, A22CE, A27CE, A22CE, A22CE, A22CE, T00012WI, T00007WI, A22CE, A59NM, A46EU, A50NM, A50NM, A46EU, A46EU, A61NM, A10CE, A10CE, A10CE, A10CE, A10CE, A10CE, A10CE, A10CE, A10CE, A10CE, A10CE, A10CE, A10CE, A10CE, A10CE, A10CE, A10CE, A10CE, A10CE, A10CE, A10CE, A10CE, A10CE, A10CE, A10CE, A10CE
On this site
Beechcraft 35 Bonanza and Debonair 1,077 registered
Beechcraft 36 Bonanza 111 registered
Beechcraft 400 Beechjet 311 registered
Beechcraft 60 Duke 32 registered
Cessna 500 Citation I 63 registered
Cessna 501 Citation I/SP 189 registered
Cessna 525 CitationJet (CJ series) 1,968 registered
Cessna 550 Citation II 500 registered
Cessna 551 34 registered
Cessna 560 Citation V, Ultra, Encore and Excel 1,341 registered
Cessna 680 Citation Sovereign and Latitude 694 registered
Cessna 750 Citation X 287 registered
Cessna S550 94 registered
Dassault FALCON 2000 485 registered
Dassault FALCON 7 163 registered
Dassault FALCON 900 277 registered
Dassault MYSTERE-FALCON 50 90 registered
Dassault MYSTERE FALCON 900 129 registered
Hawker Beechcraft Corp HAWKER 750 28 registered
Hawker Beechcraft Corp HAWKER 900 129 registered
Hawker Siddeley HS.125 SERIES 700A 7 registered
Learjet 35 161 registered
Mitsubishi MU-300 17 registered
Raytheon Corporate Jets Inc HAWKER 1000 8 registered
Raytheon Corporate Jets Inc HAWKER 800 33 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 5, 2026.