Aircraft record

N31DT1997 Learjet 31A

Registration validUnclaimedSource: FAA, updated Oct 17, 2026

Safety record in brief:No NTSB accidents or incidents since 19825 ADs may apply

Registration: Valid; expires Jan 31, 2032
Based in: Owasso, OK; owner city / state
Engine: TFE 731-2B · 3,500 lb thrust; Alliedsign
Owners: 1; since 2025
NTSB events: None; since 1982
ADs may apply: 5; confirm with A&P
Service reports: 0; since 1995

Registration

FAA Aircraft Registry · Oct 17, 2026

Registered owner: FA31DT LLC
Owner type: LLC
City, state: Owasso, OK
Certificate issued: Jan 30, 2025
Expires: Jan 31, 2032
Airworthiness: Standard · Transport
Airworthiness date: Dec 7, 1997

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: 31A
Year: 1997
Serial number: 147
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: A344D5

Engine

Make and model: Alliedsign Tfe 731-2b
Type: Turbo-fan
Power: 3,500 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

2025 – nowFA31DT LLCOwasso, OK · current
until 2012Individual ownerBaltimore, MD · different airframe: 1984 Centrair 101a S/N 101a0127

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 (5)

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.

AD	Subject	Effective	Applies to
2007-17-17	Learjet Model 31, 31A, 35, 35A (C-21A), 36, 36A, 55, 55B, and 55C Airplanes, and Model…	Oct 2, 2007	Airframe (31A)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
2005-13-36	Learjet Model 23, 24, 24A, 24B, 24B-A, 24C, 24D, 24D-A, 24E, 24F, 24F-A, 25, 25A, 25B…	Aug 9, 2005	Airframe (31A)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)
2001-07-11	Learjet Model 23, 24, 25, 28, 29, 31, 35, 36, and 55 Series Airplanes	May 1, 2001	Airframe (31A)
99-16-03	Learjet Model 23, 24, 25, 28, 29, 31, 55, and 60 Series Airplanes	Sep 7, 1999	Airframe (31A)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
95-21-03	Learjet Model 31A and 60 Airplanes	Oct 26, 1995	Airframe (31A)Certain serial numbers: 31A 31-093–31-108; 60 60-034–60-061

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

Service Difficulty Reports (0)

No Service Difficulty Reports found for this airframe since 1995.

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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