Robinson Helicopter R44 II
N484AK is a Robinson Helicopter R44 II, a rotorcraft with a piston engine (a helicopter or multicopter), built in 2007. It has 4 seats. It is registered to United Therapeutics CORP, a corporation in Silver Spring, Maryland. The registration is valid: it was issued on June 19, 2018 and expires on June 30, 2028. It holds an experimental airworthiness certificate for unmanned aircraft, research and development, dated August 2, 2018.
Aircraft
- Maker
- Robinson Helicopter (United States)FAA spelling: ROBINSON HELICOPTER COMPANY
- Model
- R44 II
- Serial number
- 11638
- Type
- Rotorcraft
- Power
- Piston (reciprocating), 1 motor
- Seats
- 4
- Year built
- 2007
- Transponder code
- A5F77F (octal 51373577)
Registration
- Status
- Valid registration
- Certificate issued
- June 19, 2018
- Expires
- June 30, 2028
- Last FAA action
- August 6, 2025
- Airworthiness
- Experimental · Unmanned aircraft, research and development · August 2, 2018
- FAA region
- Eastern
- FAA record id
- 01270648
Owner as the FAA publishes it
- Name
- United Therapeutics CORP
- Type
- Corporation
- Address
- 1110 Spring St
Silver Spring, MD 20910-4019
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.
Source: FAA Civil Aviation Registry, Releasable Aircraft Database, September 25, 2026. See this record on the FAA site · This record as data