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Aircraft record

N945HC2000 Learjet 45

Registration validUnclaimedSource: FAA, updated Oct 17, 2026

Safety record in brief:No NTSB accidents or incidents since 198222 ADs may apply5 service difficulty reports

Registration
Valid
expires Nov 30, 2032
Based in
Anchorage, AK
owner city / state
Engine
UNKNOWN ENG
Ama/Expr
Owners
1
since 2025
NTSB events
None
since 1982
ADs may apply
22
confirm with A&P
Service reports
5
since 1995

Registration

FAA Aircraft Registry · Oct 17, 2026
Registered owner
Floundering Four LLC
Owner type
LLC
City, state
Anchorage, AK
Certificate issued
Nov 4, 2025
Expires
Nov 30, 2032
Airworthiness
Standard · Transport
Airworthiness date
Jul 31, 2000

We never show street addresses, even though they appear in the public FAA file. Individual owners are shown by city and state only.

Airframe & engine

FAA Registry + type data

Airframe

Manufacturer
Learjet
Model
45
Year
2000
Serial number
109
Aircraft type
Fixed wing multi engine
Category
Land
Certification
Type Certificated
Seats
12
Engines
2
Max takeoff weight
20,000 and over lb
Mode S code
AD206D

Engine

Make and model
Ama/Expr Unknown Eng
Type
Turbo-fan

Total time and engine hours aren't public. They appear here once the owner adds logbooks.

Ownership history

Ownership history from FAA records
  1. 2025 – nowFloundering Four LLCAnchorage, AK · current

Individual owners are shown by city and state only.

Safety record

NTSB · Oct 15, 2026 · FAA ADs · Oct 17, 2026 · SDRs · Oct 16, 2026

NTSB events (0)

No NTSB accidents or incidents found for this airframe since 1982.

Accident history for this model

ADs published since 1998 that may apply (22)

These match the airframe or engine model. Whether each one applies, and whether it's been complied with, depends on serial numbers, equipment and logbook entries. Applicability must be confirmed by a mechanic against the aircraft's records.

ADSubjectEffectiveApplies to
2015-12-06FuselageJul 21, 2015Airframe (45)Serial numbers per Bombardier Recommended Service Bulletin 40-56-03, Revision 1, and 45-56-3, Revision 1, dated October 15, 2012
2014-13-06Engine ExhaustAug 19, 2014Airframe (45)Certain serial numbers: 45 45-005–45-436; 45 45-2001–45-2132. Only with: Equipped with composite engine fan bypass ducts.
2013-14-07Equipment/FurnishingsAug 26, 2013Airframe (45)Certain serial numbers: 45 45-002–45-380; 45 45-382–45-396; 45 45-398–45-405; 45 45-2001–45-2114; 45 45-2116; 45 45-2118; …
2012-08-08Periodic InspectionsMay 29, 2012Airframe (45)
2011-25-03Landing GearJan 23, 2012Airframe (45)
Show all 22 ADs
ADSubjectEffectiveApplies to
2011-13-10Learjet Inc. Model 45 AirplanesAug 1, 2011Airframe (45)Certain serial numbers: 45 45-005–45-405; 45 45-2001–45-2126
2011-04-08Learjet Inc. Model 45 AirplanesMar 31, 2011Airframe (45)Certain serial numbers: 45 45-2001–45-2114; 45 45-2116–45-2120; 45 45-2122; 45 45-2125; 45 45-2126; 45 45-005–45-380; …
2010-21-19Learjet Inc. Model 45 AirplanesNov 18, 2010Airframe (45)Serial numbers per Bombardier Service Bulletins 40-26-05 and 45-26-9, both Revision 2, dated May 4, 2009
2010-06-13Learjet Inc. Model 45 AirplanesApr 1, 2010Airframe (45)Certain serial numbers: 45 45-005–45-380; 45 45-2001–45-2111
2009-24-22Learjet Inc. Model 45 AirplanesJan 8, 2010Airframe (45)Certain serial numbers: 45 45-005–45-321; 45 45-323–45-332; 45 45-2001–45-2075
2008-01-03Learjet Model 45 AirplanesFeb 14, 2008Airframe (45)Certain serial numbers: 45 45-002–45-302; 45 45-2001–45-2049
2007-17-17Learjet Model 31, 31A, 35, 35A (C-21A), 36, 36A, 55, 55B, and 55C Airplanes, and Model…Oct 2, 2007Airframe (45)Serial numbers per Table 1 of this AD: Bombardier Service Bulletins 31-54-2 Rev 1 and 45-54-3 Rev 2; Learjet Service Bulletins 35/36-54-3 and 55-54-3
2007-09-03Learjet Model 45 AirplanesMay 11, 2007Airframe (45)Certain serial numbers: 45 45-005–45-321. Only with: Equipped with an auxiliary power unit (APU).
2006-10-15Learjet Model 45 AirplanesMay 31, 2006Airframe (45)Certain serial numbers: 45 45-005–45-295; 45 45-2001–45-2044
2005-24-13Learjet Model 45 AirplanesDec 20, 2005Airframe (45)Certain serial numbers: 45 45-005–45-273; 45 45-2001–45-2029
2003-17-08Learjet Model 45 AirplanesSep 24, 2003Airframe (45)Certain serial numbers: 45 45-005–45-071; 45 45-072–45-114. Only with: S/Ns 45-005 through 45-071 only if modified per Bombardier Service Bulletin 45-32-3.
2003-16-19Learjet Model 45 AirplanesAug 13, 2003Airframe (45)
2003-16-09Learjet Model 45 AirplanesAug 27, 2003Airframe (45)Certain serial numbers: 45 45-005–45-208; 45 45-210–45-222; 45 45-224; 45 45-225; 45 45-227; 45 45-229–45-231
2003-06-51Learjet Model 45 AirplanesApr 28, 2003Airframe (45)Certain serial numbers: 45 45-001–45-232
2002-17-01Learjet Model 45 AirplanesSep 12, 2002Airframe (45)Certain serial numbers: 45 45-005–45-213
2001-03-05Learjet Model 45 AirplanesFeb 20, 2001Airframe (45)Certain serial numbers: 45 45-002–45-004; 45 45-006–45-121; 45 45-124–45-129
2000-08-13Learjet Model 45 AirplanesMay 15, 2000Airframe (45)Only with: Crane Hydro-Aire brake control unit P/N 42-933-2 installed.

AI-extracted — verify against original. Matched from each AD's applicability section; ADs replaced by a later AD are left out.

Service Difficulty Reports (5)

Reports of failures and defects that operators and repair stations sent to the FAA since 1995. A report describes one finding; it is not an accident.

  • Hydraulic power · o-ring · failedJul 9, 2013

    ENROUTE, ACFT LOST HYDRAULIC PRESSURE. DIVERTED. LANDED UNEVENTFUL. FOUND O-RING ON HYDRAULIC SYSTEM PRESSURE TRANSDUCER HAD FAILED RESULTING IN LOSS OF HYDRAULIC FLUID. REPLACED O-RING. LEAK AND FUNCTIONAL CHECKED GOOD. BOTH ENGINE DRIVEN HYDRAULIC PUMPS WERE REPLACED AS A PRECAUTIONARY MEASURE.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Pneumatic · controller · failedOct 30, 2011

    AFTER ENGINE START IN FXE NO BLEED AIR WAS AVAILABLE IN CABIN. CREW RETURNED TO PARKING AND SHUTDOWN; CONTACTED STERLING MAINTENANCE. TROUBLESHOOTING COMPLETED BY BOMBARDIER FOUND ECS CONTROLLER FAILED. ECS CONTROLLER REPLACED BY BOMBARDIER. ALL OPS CHECKS GOOD.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Electrical power · starter gen · failedOct 30, 2011

    ON START AT PWK RIGHT GENERATOR WON'T COME ON LINE. CREW SHUT DOWN AND CONTACTED MAINTENANCE. TROUBLESHOOTING AT THIS TIME. REPLACED STARTER/GENERATOR. OPS CHECK GOOD.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
Show all 5 reports
  • Exhaust · actuator · malfunctionedNov 8, 2010

    ON TAXI FOR DEPARTURE CREW NOTED LT THRUST REVERSER UNLOCK LIGHT WOULD NOT EXTINGUISH AFTER TEST. CREW RETURNED TO RAMP. MX PINNED THRUST REVERSERS IAW AMM 78-30 AND DEFERRED IAW MEL 78-1. MAINTENANCE BLED HYDRAULIC LINE TO OVERCENTER LATCH ACTUATOR. OPS CHECK GOOD.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Air conditioning and pressurization · wire · brokenJun 24, 2010

    AFTER DEPARTURE FROM MKE CABIN ENVIRONMENTAL CONTROL VALVES DROVE TO FULL HOT POSITION. CREW COULD NOT CONTROL IN AUTO OR MANUAL. AIRCRAFT RETURNED TO MKE. TROUBLESHOOTING BY STERLING MAINTENANCE FOUND WIRE BROKEN AT TEMPERATURE LOW LIMIT SENSOR. REPAIRED BROKEN WIRE. OPERATIONS CHECKED GOOD.

    From FAA Service Difficulty Reports; matched by N-number and serial number.

Related aircraft

Show all 8 related aircraft
All 433 registered Learjet 45 aircraft

Sources

  • FAA Aircraft RegistryRegistration, owner city and state, airframe, engineupdated Oct 17, 2026
  • NTSB accident and incident databaseAccidents and incidents since 1982updated Oct 15, 2026
  • FAA Airworthiness Directives (Federal Register)ADs published since 1998updated Oct 17, 2026
  • FAA Service Difficulty ReportsReports since 1995updated Oct 16, 2026

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