N400HD
Built 2008 · registered US
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Performance specs
- Range
- 350 nm
- Cruise speed
- 113 kt
- Max speed
- —
- Service ceiling
- 14,000 ft
- Takeoff distance
- —
- Landing distance
- —
- MTOW
- 1,100 kg
- Empty weight
- —
- Fuel capacity
- 116 L
- Length
- 11.7 m
- Wingspan
- —
- Height
- 3.2 m
- Seats
- 4
- Max passengers
- 4
Flight activity
(1 tracking legs recorded)- Last 30 days
- 0
- Last 90 days
- 1
- Last seen
- 19 Sept 2026
- Tracked since
- 23 Aug 2026
Showing the 0 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.
Common. One of the most common aircraft types we track.
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Registration history
(1)- N400HDUSACTIVESPITZER HELICOPTER LLC2021 – 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
What aircraft model is N400HD?
N400HD is a Robinson R44, built in 2008. Sprinkle's record for N400HD covers its lineage, ownership history and specifications.
Is N400HD currently active?
Registry records list N400HD's status as Active, registered in United States — a Robinson R44.
What is the manufacturer serial number (MSN) of N400HD?
N400HD carries manufacturer serial number (MSN) 12220, the serial assigned to this Robinson R44 airframe when it was built.
What is the ICAO24 / Mode S code for N400HD?
N400HD's ICAO24 (Mode S) transponder code is A4AD54 — the hex address the Mode S transponder on this Robinson R44 broadcasts.