Robinson Helicopter R44 II
N4439U is a Robinson Helicopter R44 II, a rotorcraft with a piston engine (a helicopter or multicopter), built in 2009. It has 4 seats. It is registered to an individual in Hartford, Wisconsin. The registration is valid: it was issued on December 4, 2014 and expires on December 31, 2027. It holds a standard airworthiness certificate for normal, dated August 28, 2009.
Aircraft
- Maker
- Robinson Helicopter (United States)FAA spelling: ROBINSON HELICOPTER COMPANY
- Model
- R44 II · all R44 IIs and related versions
- Serial number
- 12890
- Type
- Rotorcraft
- Power
- Piston (reciprocating), 1 motor · Lycoming IO-540-AE1A5 · 260 hp
- Seats
- 4
- Year built
- 2009
- Transponder code
- A55968 (octal 51254550)
Registration
- Status
- Valid registration
- Certificate issued
- December 4, 2014
- Expires
- December 31, 2027
- Last FAA action
- April 7, 2023
- Airworthiness
- Standard · Normal · August 28, 2009
- FAA region
- Great Lakes
- FAA record id
- 01039537
Owner as the FAA publishes it
- Name
- Lee Robert A
- Type
- Individual
- Address
- 5900 State Road 175
Hartford, WI 53027-9446
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 · 1 to understand · 4 clear
The public federal record on N4439U, 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 Lee Robert A, an individual, certificate issued December 4, 2014, expires December 31, 2027. No fractional interest recorded. [1]
Standard certificate for normal, dated August 28, 2009, consistent with the 2009 manufacture year. [1]
No earlier tail number is recorded against serial 12890 for this model in the deregistered file. [2]
N4439U was previously assigned to 2 other aircraft: Cessna 150D (serial 15060439, cancelled June 26, 1964); Porter Reve W DRIFTER (serial RWP001, cancelled date not given). 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]
No NTSB investigation records located under N4439U. CLEAR means the query ran and returned nothing, not that nothing ever happened. [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.
- 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