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Aircraft record

N525TW1968 Learjet 25

DeregisteredUnclaimedSource: FAA, updated Oct 20, 2026

This N-number isn't registered right now. Below is its last known registration, canceled Mar 30, 2018.

Safety record in brief:No NTSB accidents or incidents since 19827 ADs may apply4 service difficulty reports

Registration
Deregistered
Last based in
Wilmington, DE
owner city / state
Owners
1
since 1996
NTSB events
None
since 1982
ADs may apply
7
confirm with A&P
Service reports
4
since 1995

Registration

FAA Aircraft Registry · Oct 20, 2026
Last registered owner
Sierra American Corporation
Owner type
Corporation
City, state
Wilmington, DE
Certificate issued
Jul 1, 1996
Canceled
Mar 30, 2018
Airworthiness
Standard · Transport
Airworthiness date
Jan 20, 1987

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
25
Year
1968
Serial number
011
Aircraft type
Fixed wing multi engine
Category
Land
Certification
Type Certificated
Seats
10
Engines
2
Max takeoff weight
12,500 - 19,999 lb
Mode S code
A69D3F

Engine

Make and model
Ge Cj610-5&6
Type
Turbo-jet
Power
2,780 lb thrust

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

Ownership history

Ownership history from FAA records
  1. 1996 – 2018Sierra American CorporationWilmington, DE

Individual owners are shown by city and state only.

Safety record

NTSB · Oct 15, 2026 · FAA ADs · Oct 20, 2026 · SDRs · Oct 16, 2026

NTSB events (0)

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

ADs published since 1998 that may apply (7)

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
2005-23-03Learjet Model 23, 24, 24A, 24B, 24B-A, 24C, 24D, 24D-A, 24E, 24F, 24F-A, 25, 25A, 25B…Dec 19, 2005Airframe (25)Certain serial numbers: 23-003–23-099; 24-100–24-284; 25-003–25-153
2005-23-06Learjet Model 23, 24, 24A, 24B, 24B-A, 24D, 24D-A, 24E, 24F, 25, 25A, 25B, 25C, 25D, and…Dec 19, 2005Airframe (25)Only with: Modified by STC SA1731SW, SA1669SW, or SA1670SW and equipped with Nordam (formerly Dee Howard Company) thrust reverser accumulators P/N 25-0570-127-1, -3, -7, -13, or -17.
2005-16-09Learjet Model 23, 24, 25, 35, and 36 AirplanesSep 13, 2005Airframe (25)Certain serial numbers: 23 23-003–23-090; 24 24-100–24-357; 25 25-002–25-373; 35 35-002–35-676; 36 36-002–36-063
2005-13-36Learjet Model 23, 24, 24A, 24B, 24B-A, 24C, 24D, 24D-A, 24E, 24F, 24F-A, 25, 25A, 25B…Aug 9, 2005Airframe (25)Serial numbers per Bombardier Alert Service Bulletins A23/24/25-27-17, A28/29-27-24, A31-27-25, A35/36-27-42 (Table 1 of this AD)
2001-07-11Learjet Model 23, 24, 25, 28, 29, 31, 35, 36, and 55 Series AirplanesMay 1, 2001Airframe (25)
Show all 7 ADs
ADSubjectEffectiveApplies to
2000-01-09GE Aircraft Engines CJ610 Series Turbojet Engines and CF700 Turbofan EnginesFeb 11, 2000Engine (CJ610-5&6)Serial numbers per Appendix 1 of the AD. Only with: Engines with rotating parts listed by P/N and SN in Appendix 1 installed.
99-16-03Learjet Model 23, 24, 25, 28, 29, 31, 55, and 60 Series AirplanesSep 7, 1999Airframe (25)Serial numbers per Learjet Service Bulletins SB 23/24/25-30-3, SB 28/29-30-3, SB 31-30-05, SB 55-30-3, and SB 60-30-4, dated October 27, 1998

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

Service Difficulty Reports (4)

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.

  • Air conditioning and pressurization · controller · inoperativeSep 10, 2003

    PILOT REPORTED PRESSURIZATION PROBLEMS CABIN ALTITUDE INCREASING WITH ALTITUDE, RETURN TO DEPARTURE AIRPORT. WILL UPDATE REPORT AFTER MAINTENANCE. REMOVED AND REPLACED CABIN ALT CONTROLLER. AIRCRAFT RETURN TO SERVICE.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Engine · engine · flamed outJul 11, 2002

    AIRCRAFT EN ROUTE FROM ADDISON TX TO WINDSOR CANADA RT ENGINE FLAME-OUT CLIMBING FROM 390 TO 410. RESTART NORMAL, CLIMB BACK TO 410 AND CONTINUED TRIP. PILOT INSPECTED ENGINE FOR FOD DAMAGE AT DESTINATION, NO DAMAGE FOUND. AIRCRAFT MOVED TO MAINTENANCE BASE AT YIP. FLAME-OUT INSPECTIONS COMPLETED…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Engine · engine · flamed outMay 29, 2002

    ACFT ROUTE FROM FNT TO ADS CLIMBING THROUGH FL398 FOR FL430 RT ENGINE FLAME-OUT, REQUEST LOWER ALT FL260. ENGINE RESTARTED AND CLIMB BACK TO FL390 PROCEEDED TO ADS. MAINTENANCE AT ADS PERFORMED FLAME-OUT INSPECTION PER THE GE M/M AND PERFORMED ENGINES RUNS, NO DEFECTS NOTED AT THIS TIME.

    From FAA Service Difficulty Reports; matched by N-number and serial number.
Show all 4 reports
  • Landing gear · squat switch · out of adjustApr 19, 2002

    AIRCRAFT DEPARTED YIP, SELECTED GEAR UP, MAIN GEAR DOOR RED LIGHTS STAYED ON. RETURNED TO DEPARTURE AIRPORT. MAINTENANCE FOUND RT SQUAT SWITCH OUT OF ADJUSTMENT, ADJUSTED SWITCH AND PERFORMED GEAR SWINGS, AIRCRAFT RETURNED TO SERVICE.

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

Sources

  • FAA Aircraft RegistryRegistration, owner city and state, airframe, engineupdated Oct 20, 2026
  • NTSB accident and incident databaseAccidents and incidents since 1982updated Oct 15, 2026
  • FAA Airworthiness Directives (Federal Register)ADs published since 1998updated Oct 20, 2026
  • FAA Service Difficulty ReportsReports since 1995updated Oct 16, 2026

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