N444BU
Built 2023 · 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
(138 tracking legs recorded)- Last 30 days
- 23
- Last 90 days
- 45
- Last seen
- 24 Oct 2026
- Tracked since
- 28 May 2026
Frequent routes: KSVR → KSVR (44) · KSPK → KSPK (26) · KSVR → KTVY (4)
- KSPK → KSPK24 Oct 2026 · 0h 08m
- KSPK → KSPK24 Oct 2026 · 0h 05m
- KSPK → KSPK24 Oct 2026 · 0h 06m
- KSPK → KSPK20 Oct 2026 · 0h 45m
- KSPK → KSPK16 Oct 2026 · 0h 17m
- KSPK → KSPK9 Oct 2026 · 17h 39m
- KSPK → KSPK8 Oct 2026 · 0h 26m
- KSPK → KSPK8 Oct 2026 · 0h 12m
- KSPK → KSPK8 Oct 2026 · 0h 06m
- KSPK → KSPK5 Oct 2026 · 0h 47m
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.
Common. One of the most common aircraft types we track.
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Registration history
(1)- N444BUUSACTIVEHELIFUN EXPEDITIONS LLC2023 – 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 N444BU?
N444BU is a Robinson R44, built in 2023. Sprinkle's record for N444BU covers its lineage, ownership history and specifications.
Is N444BU currently active?
Registry records list N444BU's status as Active, registered in United States — a Robinson R44.
What is the manufacturer serial number (MSN) of N444BU?
N444BU carries manufacturer serial number (MSN) 14633, the serial assigned to this Robinson R44 airframe when it was built.
What is the ICAO24 / Mode S code for N444BU?
N444BU's ICAO24 (Mode S) transponder code is A559A5 — the hex address the Mode S transponder on this Robinson R44 broadcasts.