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.
Aircraft
- Maker
- Learjet Inc
- Model
- 45 · all 45s and related versions
- Serial number
- 599
- Type
- Fixed-wing, multi-engine
- Power
- Turbofan, 2 motors
- Seats
- 12
- Year built
- Not given
- Transponder code
- A54F73 (octal 51247563)
Registration
- Status
- Valid registration
- Certificate issued
- October 18, 2025
- Expires
- October 31, 2032
- Last FAA action
- February 10, 2026
- Airworthiness
- None on file
- FAA region
- Great Lakes
- FAA record id
- 01344748
Owner as the FAA publishes it
- Name
- Marquis Aviation LLC
- Type
- LLC
- 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
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.
Search the NTSB's CAROL system for GAA15LA131 for the docket and final report. Open CAROL
- FAA Releasable Aircraft Database, master file, file of October 2, 2026. registry.faa.gov/
- FAA deregistered aircraft file (part of the same download), file of October 2, 2026. registry.faa.gov/
- FAA document index: registry documents received in recent weeks, file of October 2, 2026. registry.faa.gov/
- NTSB aviation accident database (CAROL), records through August 27, 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 2, 2026. See this record on the FAA site · This record as data
