HL9666
Free alerts when HL9666's registration or status changes, or the EC-725 market moves.
This aircraftNo EC-725listed for sale right now. Watch this model and we'll surface new listings as they hit the market.
Free — save the EC-725 to your watchlist and track it in one place.
Flight activity
(51 tracking legs recorded)- Last 30 days
- 11
- 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.
Common. More common than 81% of the aircraft models we track.
Other EC-725 airframes by tail number — same model as HL9666.
See all 158 registered EC-725If you fly the EC-725, you may also be researching these.
Registration history
(1)- HL9666KRACTIVEUnknown 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
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.