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

ST01431WI-D

Modification of a Rockwell Collins, Inc. Data Base Unit (DBU) installation. Held by Rockwell Collins INC, which holds 359 approved modifications in all. Last revised February 5, 2014. System: other and general.

What it applies to

Kind of product
Aircraft
Design holder
Bombardier Inc.; Bombardier Inc.; Bombardier Inc.; Bombardier Inc.; Bombardier Inc.; Bombardier Inc.; Bombardier Inc.; Bombardier Inc.; Cessna Aircraft Company; Dassault Aviation; Dassault Aviation; Dassault Aviation; Dassault Aviation; Dassault Aviation; Dassault Aviation; Dassault Aviation; Gulfstream Aerospace LP; Gulfstream Aerospace LP; Gulfstream Aerospace LP; Hawker Beechcraft Corporation; Hawker Beechcraft Corporation; Hawker Beechcraft Corporation; Hawker Beechcraft Corporation; Hawker Beechcraft Corporation; Hawker Beechcraft Corporation; Hawker Beechcraft Corporation; Hawker Beechcraft Corporation; Learjet Inc.; Saab AB Saab Aerosystems
Models
BD-100-1A10 (Challenger 300), CL-600-2A12 (CL-601), CL-600-2B16 (CL-604), CL-600-2B19 (Regional Jet Series 100), CL-600-2C10 (Regional Jet Series 700), CL-600-2C10 (Regional Jet Series 701), CL-600-2C10 (Regional Jet Series 702), CL-600-2D24 (Regional Jet Series 900), 560XL, FALCON 2000, FALCON 2000EX, Mystere-Falcon 20 - C5, Mystere-Falcon 20 - D5, Mystere-Falcon 20 - E5, Mystere-Falcon 20 - F5, Mystere-Falcon 50, G150, Galaxy, Gulfstream 200, 400, 400A, 400T, Hawker 750, Hawker 800, Hawker 800XP, Hawker 850XP, Hawker 900XP, 60, SAAB 2000
Type certificates
T00005NY, A21EA, A21EA, A21EA, A21EA, A21EA, A21EA, A21EA, A22CE, A50NM, A50NM, A7EU, A7EU, A7EU, A7EU, A46EU, A16NM, A53NM, A53NM, A16SW, A16SW, A16SW, A3EU, A3EU, A3EU, A3EU, A3EU, A10CE, A47NM
On this site
Beechcraft 400 Beechjet 311 registered
Beechcraft 60 Duke 32 registered
Bombardier BD-100 Challenger 300 and 350 878 registered
Bombardier CL-600 Challenger and CRJ 1,655 registered
Cessna 560 Citation V, Ultra, Encore and Excel 1,344 registered
Dassault FALCON 2000 485 registered
Dassault MYSTERE FALCON 20-F5 12 registered
Dassault MYSTERE-FALCON 50 90 registered
Gulfstream GULFSTREAM 200 5 registered
Hawker Beechcraft Corp HAWKER 750 28 registered
Hawker Beechcraft Corp HAWKER 850 19 registered
Hawker Beechcraft Corp HAWKER 900 129 registered
Israel Aircraft Industries GALAXY 19 registered
Learjet 60 239 registered
Raytheon Corporate Jets Inc HAWKER 800 32 registered
Saab Ab SAAB 2000 6 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.