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Aircraft registration

N636DD

Built 2001 · registered US

Free alerts when N636DD'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

(22 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
3
90 days to 24 Aug 2026
22
Last seen
21 Aug 2026
Tracked since
4 Jun 2026

Frequent routes: KSDL → KSDL (3)

  • Tracked flight19 Aug 2026 · 17h 45m
  • Tracked flight19 Aug 2026 · 0h 43m
  • KSDL → …10 Jul 2026 · 6h 10m
  • KSDL → …22 Jun 2026 · 0h 07m
  • KSDL → KSDL22 Jun 2026 · 0h 12m
  • … → KSDL22 Jun 2026 · 6h 01m
  • … → KSDL22 Jun 2026 · 6h 16m
  • KSDL → …19 Jun 2026 · 0h 13m
  • KSDL → KSDL19 Jun 2026 · 0h 06m
  • Tracked flight10 Jun 2026 · 1h 52m

Showing the 10 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 N636DD.

See all 5,713 registered R44
What to do next

Registration history

(1)
  • N636DDUSACTIVE
    ALBA AVIATION SERVICES INC
    2010 – 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 N636DD
What type of aircraft is N636DD?

N636DD is a Robinson R44, built in 2001.

Where is N636DD registered?

N636DD is currently registered in United States (US).

What is the MSN of N636DD?

The manufacturer serial number (MSN) of N636DD is 0974.

What is the ICAO24 (Mode S) code for N636DD?

N636DD's ICAO24 hex code is A85455.

Is N636DD still airworthy?

N636DD's current registry status is Active.