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Learjet Inc 45
N441MM is a Learjet Inc 45, a fixed-wing airplane with more than one motor with turbofan engines. It has 12 seats. It is registered to Marquis Aviation LLC, an LLC in Hennepin, Illinois. The registration is valid: it was issued on October 18, 2025 and expires on October 31, 2032. No airworthiness certificate is on file, which is normal for drones and for aircraft still being built or tested.
Listed on the FAA charter and air-taxi certificate of Liberty Jet Management Corporation, so it can be flown for hire; the registered owner is someone else, which is usual for a managed aircraft.
Where is it now Last seen October 16 at 12:22 pm.
Last seen October 16 at 12:22 pm. Checking whether it is in the air right now…
Aircraft broadcast their own position; volunteer receivers pool what they hear. Owners who have asked the FAA not to be displayed are not shown.
Flight history: where it flew in the last seven days · follow it on the live map
Aircraft
- Maker
- Learjet Inc
- Model
- 45 · all 45s and related versions
- Built of
- aluminiumThe airframe is aluminium: sheet metal over a riveted frame, the way most aircraft have been built since the 1940s. This is how the Learjet 45 family is built; the FAA does not record construction for each aircraft, and the type certificate data sheet is the authority for this one.
- Serial number
- 599
- Type
- Fixed-wing, multi-engineFAA type of aircraft code 5 (the FAA's broad category for the airframe). Every aircraft with this code · All codes
- Power
- TurbofanFAA type of engine code 5 (what powers it, as the FAA classes engines). Every aircraft with this code · All codes, 2 motors
- Seats
- 12
- Year built
- Not given
- Transponder code
- A54F73 (octal 51247563)
Registration
- Status
- Valid registrationFAA registration status code V (whether the registration certificate is in force). Every aircraft with this code · All codes
- Certificate issued
- October 18, 2025
- Expires
- October 31, 2032
- Last FAA action
- February 10, 2026
- Airworthiness
- None on file
- FAA region
- Great LakesFAA region code C (the FAA regional office that handles the record). All codes
- FAA record id
- 01344748
Owner as the FAA publishes it
- Name
- Marquis Aviation LLC
- Type
- LLCFAA type of owner code 7 (who holds the registration: a person, a company, a trust or a government body). Every aircraft with this code · All codes
- Address
- 10000 Marquis Dr
Hennepin, IL 61327-1000
Owners can ask the FAA to withhold their name and address from public files. When they do, those fields are blank here as well. How that works.
Documents on file 0
No bills of sale, loans or other documents are indexed against this tail number.
Earlier use of this number 2
Connections how N441MM links to the rest of the register
- Learjet 45 433 registered
- Learjet Inc 846 aircraft on the register
- Built of aluminium · as the model family is built; the register does not record it per aircraft
- Liberty Jet Management Corporation · charter operator
- Marquis Aviation LLC 2 aircraft registered to this organisation
- Hennepin, IL 4 aircraft registered in this town
- Illinois 8,050 aircraft registered
- FAA orders naming the Learjet 45 32 airworthiness directives
- Failure reports filed on the Learjet 45 779 reports since 1995
- Approved modifications for the Learjet 45 134 supplemental type certificates
- Report filed on this aircraft: Bearing, failed · 2000-06-22
- Where N441MM is now · Last seen October 16 at 12:22 pm.
The whole map of how records connect · these connections as data: /graph/aircraft/N441MM.json.
Records check free · 3 to understand · 2 clear
The public federal record on N441MM, read the way a buyer, lender or insurer reads it: FAA registration, prior tail numbers keyed on the serial number, reuse of the tail number, recent registry filings, and the NTSB accident record under this and every earlier registration.
Valid registration to Marquis Aviation LLC, an LLC, certificate issued October 18, 2025, expires October 31, 2032. No fractional interest recorded. [1]
No airworthiness certificate is on file. Usual for a newly registered aircraft, a project, or an aircraft that has not flown since a change of registration; ask for the certificate. [1]
No earlier tail number is recorded against serial 599 for this model in the deregistered file. [2]
N441MM was previously assigned to 2 other aircraft: Robinson Helicopter R22 BETA (serial 3057, cancelled June 2, 2020); Cessna 441 (serial 4410030, cancelled January 10, 1990). Histories keyed to the tail number alone can mix aircraft up; this check keys on the serial number. [2]
No bills of sale, loans or releases have reached the registry in recent weeks. The index covers only recent filings; older liens are in the records file. [3]
1 NTSB record under N441MM: Accident on July 12, 2015 at Escalante, UT: serious injuries, substantial damage. Details below. [4]
These live in the FAA aircraft records file (every document ever filed against the aircraft) and, for larger aircraft, the International Registry. Part of the full report.
AD compliance against the logbooks and flight-activity reconciliation are researched layers of the full report.
NTSB records 1
Aircraft on the NTSB record: Robinson Helicopter R22 BETA · operated under 091
The pilot’s inadequate preflight planning and his subsequent decision to attempt to climb over rising terrain with the helicopter over maximum gross weight while operating in high-density altitude conditions with a tailwind, which resulted in its inability to maintain a positive climb rate and a subsequent impact with terrain.
Full record in plain English · Docket and reports at the NTSB
- FAA Releasable Aircraft Database, master file, file of October 23, 2026. registry.faa.gov/
- FAA deregistered aircraft file (part of the same download), file of October 23, 2026. registry.faa.gov/
- FAA document index: registry documents received in recent weeks, file of October 23, 2026. registry.faa.gov/
- NTSB aviation accident database (CAROL), records through September 30, 2026. data.ntsb.gov/carol-main-public/basic-search
This automated check reads the public federal record. Nothing here is a legal opinion, an appraisal or a statement about the aircraft's condition; a CLEAR line is a statement about the searched record, not the aircraft.
Source: FAA Civil Aviation Registry, Releasable Aircraft Database, October 23, 2026. See this record on the FAA site · This record as data