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Aircraft record

N31KH1999 Learjet 31A

Registration validUnclaimedSource: FAA, updated Oct 17, 2026

Safety record in brief:No NTSB accidents or incidents since 19825 ADs may apply2 service difficulty reports

Registration
Valid
expires Jun 30, 2028
Based in
Wilmington, DE
owner city / state
Owners
1
since 2021
NTSB events
None
since 1982
ADs may apply
5
confirm with A&P
Service reports
2
since 1995

Registration

FAA Aircraft Registry · Oct 17, 2026
Registered owner
Aery Aviation LLC
Owner type
LLC
City, state
Wilmington, DE
Certificate issued
Jun 15, 2021
Expires
Jun 30, 2028
Airworthiness
Experimental · Research and Development
Airworthiness date
Apr 21, 2026

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
1999
Serial number
173
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
A34561

Engine

Make and model
Alliedsign Tfe731 Series
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
  1. 2021 – nowAery Aviation LLCWilmington, DE · current
  2. Date unknownIndividual ownerdifferent airframe: Robinson R22 S/N 0287

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.

ADSubjectEffectiveApplies to
2007-17-17Learjet Model 31, 31A, 35, 35A (C-21A), 36, 36A, 55, 55B, and 55C Airplanes, and Model…Oct 2, 2007Airframe (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
2005-13-36Learjet Model 23, 24, 24A, 24B, 24B-A, 24C, 24D, 24D-A, 24E, 24F, 24F-A, 25, 25A, 25B…Aug 9, 2005Airframe (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)
2001-07-11Learjet Model 23, 24, 25, 28, 29, 31, 35, 36, and 55 Series AirplanesMay 1, 2001Airframe (31A)
99-16-03Learjet Model 23, 24, 25, 28, 29, 31, 55, and 60 Series AirplanesSep 7, 1999Airframe (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
95-21-03Learjet Model 31A and 60 AirplanesOct 26, 1995Airframe (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 (2)

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.

  • Engine oil · o-ring · cutJun 16, 2017

    NR 1 OIL PRESSURE LOW LIGHT ILLUMINATED WHEN ASCENDING THROUGH FL 160. AIRCREW WITNESSED PRESSURE DROP TO 25 PSI AND COMPLETED ENGINE SHUTDOWN PROCEDURES. AIRCRAFT RETURNED TO FIELD, AND MADE AN UNEVENTFUL LANDING. POST LANDING INVESTIGATION AND VISUAL INSPECTION OF THE NR 1 ENGINE REVEALED AND…

    From FAA Service Difficulty Reports; matched by N-number and serial number.
  • Landing gear · strut · damagedDec 27, 2015

    AFTER TAKEOFF WHILE CONDUCTING SPECIAL FLIGHT PERMIT, 12-27-2012, WITH CREW ONLY FOR UNRELATED LT & RT MAIN LANDING DOOR ANNUNCIATION. THE LG WOULD NOT RETRACT WHEN THE GEAR HANDLE WAS SELECTED TO THE UP POSITION. THE ACFT WAS DIVERTED, UPON ARRIVAL THE ATC CONFIRMED THE NLG WAS 90 DEGREES FROM…

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

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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