FAA Aircraft Registry · Live Lookup · As of Apr 28, 2026
N644AK — Robinson Helicopter R44 II
Rendered live from the FAA Aircraft Registry (refreshed weekly). This tail has no NTSB events or airworthiness directives indexed against it — type-level history is on the type page below.
Registration
Registrant
MD AG SERVICES LLC
Registrant Type
LLC
Location
STERLING CITY, TX
Status
Registration Valid
Certificate Issued
Jun 11, 2024
Airworthiness Date
May 6, 2004
Registration Expires
Jun 30, 2031
Last Action
Jun 11, 2024
Aircraft
Serial Number
10364
Year Manufactured
2004
Aircraft Type
Rotorcraft
Certification
Standard (+1 flag)
Engine
LYCOMING IO-540 SER
Engines / Seats
1 / 4
Weight Class
CLASS 1
Mode S (Hex)
A87421
Type History
Robinson Helicopter R44 II type page → — 1,363 registered · 314 NTSB records · 1 airworthiness directives
Live position via ICAO24 A87421
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