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HL9666

158 registered

Free alerts when HL9666's registration or status changes, or the EC-725 market moves.

HL9666 — photo of this aircraftThis aircraft
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Flight activity

(51 tracking legs recorded)
Last 30 days
6
Last 90 days
35
Last seen
31 Oct 2026
Tracked since
29 May 2026
  • Tracked flight31 Oct 2026 · 0h 43m
  • Tracked flight25 Oct 2026 · 0h 56m
  • Tracked flight21 Oct 2026 · 0h 33m
  • Tracked flight5 Oct 2026 · 0h 24m
  • Tracked flight4 Oct 2026 · 0h 06m
  • Tracked flight3 Oct 2026 · 0h 37m
  • Tracked flight30 Sept 2026 · 0h 32m
  • Tracked flight29 Sept 2026 · 0h 35m
  • Tracked flight29 Sept 2026 · 0h 20m
  • Tracked flight27 Sept 2026 · 0h 54m

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?
158Eurocopter EC-725 registered worldwide

Common. More common than 81% of the aircraft models we track.

More EC-725 aircraft

Other EC-725 airframes by tail number — same model as HL9666.

See all 158 registered EC-725
What to do next

Registration history

(1)
  • HL9666KRACTIVE
    Unknown owner
    —

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

HL9666 — frequently asked
What aircraft model is HL9666?

HL9666 is a Eurocopter EC-725. Sprinkle's record for HL9666 covers its lineage, ownership history and specifications.

Is HL9666 currently active?

Registry records list HL9666's status as Active, registered in South Korea — a Eurocopter EC-725.

What is the ICAO24 / Mode S code for HL9666?

HL9666's ICAO24 (Mode S) transponder code is 71CE66 — the hex address the Mode S transponder on this Eurocopter EC-725 broadcasts.