Registry / Robinson Helicopter Company / R44 II / N484AK

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N484AK V

Robinson Helicopter Company R44 II · 2007 · Silver Spring, MD

This aircraft — FAA registration facts

N484AK is a 2007 Robinson Helicopter Company R44 II (serial 11638), registered to United Therapeutics Corp (corporation) in Silver Spring, MD. Its FAA registration is recorded as v and expires June 2028; the airworthiness certificate dates from August 2018 (8 years ago). It carries a Ama/Expr UNKNOWN ENG engine. Its Mode-S transponder broadcasts the ICAO 24-bit address A5F77F. It is one of 1,320 Robinson Helicopter Company R44 II aircraft on the FAA registry. United Therapeutics Corp holds 9 aircraft on the registry.

Registered owner
United Therapeutics Corp
Owner type
Corporation
Based in
Silver Spring, MD
Serial number
11638
Year built
2007 · 19 yrs old
Airworthiness class
49A
FAA status
V
Mode-S / ICAO24
A5F77F · 51373577 octal
Certificate issued
Jun 19, 2018
Airworthiness date
Aug 2, 2018
Last FAA activity
Aug 6, 2025
Registration expires
Jun 30, 2028
FAA region
1

Source: FAA aircraft registry (public record). Community reviews and photos below.

Engine on this aircraft

Engine
Ama/Expr UNKNOWN ENG
Engine type
Reciprocating (Piston)
FAA engine code
99999

3 of the 1,287 registered Robinson Helicopter Company R44 II carry this engine (0%), across 10 engine variants on the type.

Source: FAA engine reference (ENGINE.txt), matched on this registration's engine code.

Community facts about N484AK

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Flight history & live tracking

ICAO24: a5f77f
No flight data on file yet for N484AK.
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Aircraft Type — ACFTREF 7640122

Robinson Helicopter Company R44 II
Engines: 1
Type: piston
Seats: 4
Category: Standard
TCDS: H11NM

Engine — CODE 99999

Manufacturer: Ama/Expr
Model: UNKNOWN ENG
Type:

FAA Registration Record

N-Number: N484AK
Serial Number: 11638
Year Manufactured: 2007
ACFTREF Code: 7640122
Engine Code: 99999
Status: V (V)
Certification: 49A
Type Aircraft: Rotorcraft (6)
Type Engine: Reciprocating (Piston) (1)
Source: master

Documents & resources

Commonly available reference sources for the Robinson Helicopter Company R44 II. Always confirm against the manufacturer's current, authoritative publication for your specific aircraft.

View the Robinson Helicopter Company R44 II model overview, reviews & photos →

These are commonly available reference sources. FerryFlight Hub does not provide sample or generated documents on this page.

FerryFlight Hub is independent and not affiliated with, endorsed by, or sponsored by any aircraft manufacturer, the FAA, or any document publisher. References are NOT for operational, navigational, or flight-planning use — always rely on the current, FAA-approved documentation for the specific aircraft. We link to official or publicly available sources and do not host or redistribute copyrighted material. Provided "as is," without warranty of any kind as to accuracy, completeness, or currency.

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Transponder / ADS-B

Mode S (octal): 51373577
ICAO 24-bit (hex): A5F77F

Registrant

United Therapeutics Corp
Corporation
View all 9 aircraft registered to this owner →
1110 Spring St
Silver Spring, MD, 209104019
FAA Region: 1

Key Dates

Certificate Issued Jun 19, 2018
Airworthiness Aug 2, 2018
Expiration Jun 30, 2028
Last Activity Aug 6, 2025
Data as of Sep 7, 2026

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