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Aircraft registration

N400UH

Built 2014 · registered US

Free alerts when N400UH's registration or status changes, or the R44 market moves.

Representative photo of a Robinson R44Type photo — not this specific aircraftPhoto: Tomás Del Coro from Las Vegas, Nevada, USA · CC BY-SA 2.0
This aircraft is a
Robinson R44
Full specs

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Flight activity

(5 tracking legs recorded)

Live tracking paused — activity data through 24 Aug 2026. Windows below are measured to that date.

30 days to 24 Aug 2026
2
90 days to 24 Aug 2026
5
Last seen
11 Aug 2026
Tracked since
9 Jun 2026
  • … → KSDL7 Aug 2026 · 0h 41m

Showing the 1 most recent distinct flights. The total counts every raw ADS-B tracking leg, including repeat observations and sub-5-minute artifacts.

From ADS-B observations collected since May 2026. Coverage depends on ground-receiver density; gaps do not mean the aircraft did not fly.

How common is this aircraft?
5,713Robinson R44 registered worldwide

Common. One of the most common aircraft types we track.

More R44 aircraft

Other R44 airframes by tail number — same model as N400UH.

See all 5,713 registered R44
What to do next

Registration history

(1)
  • N400UHUSACTIVE
    UHI INC
    2014 – present

Owner names are published by the issuing civil registry (FAA / CCARCS / CASA / ANAC / NZ CAA). Owner addresses present in the source are not republished here. Registered owner? Request removal

About N400UH
What type of aircraft is N400UH?

N400UH is a Robinson R44, built in 2014.

Where is N400UH registered?

N400UH is currently registered in United States (US).

What is the MSN of N400UH?

The manufacturer serial number (MSN) of N400UH is 13650.

What is the ICAO24 (Mode S) code for N400UH?

N400UH's ICAO24 hex code is A4AE6B.

Is N400UH still airworthy?

N400UH's current registry status is Active.