Apparatus

Try JFK, AAL1290, BAW, or N225AN.

sensors Mode-S transponder

C06C81

ICAO 24-bit transponder address · allocated to Canada

Currently assigned to C-GPCI · PIPER PA-31-300/310/325/350/425 · operated by PACIFIC COASTAL AIRLINES LIMITED

Hex
C06C81
Octal
60066201
Decimal
12,610,689
Country
CA
Tail
C-GPCI
Type
PA31
Broadcasting now · callsign CGPCI · 13,425 ft
Flights observed
9
Distinct callsigns
1
Country
CA
Last broadcast
23h ago

Current position

C06C81 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address C06C81 falls within the block assigned to Canada (CA) by ICAO Annex 10, Volume III. Every aircraft registered in Canada receives a permanent address from this block at the time of registration; the address stays with the airframe even if the aircraft is re-registered to a different operator within the country.

Callsign history 1 distinct

Callsign Airline Flights Last seen
CGPCI - 9 2026-04-13

Recent flights last 9

DateFlightRouteTakeoffLandingDuration
2026-04-13 CGPCI - Apr 13, 22:05 UTCApr 13, 23:45 UTC1h 40m
2026-04-13 CGPCI - Apr 13, 20:45 UTCApr 13, 21:05 UTC20m
2026-04-13 CGPCI - Apr 13, 19:50 UTCApr 13, 20:00 UTC10m
2026-04-13 CGPCI - Apr 13, 19:35 UTCApr 13, 20:00 UTC25m
2026-04-13 CGPCI - Apr 13, 17:50 UTCApr 13, 18:30 UTC40m
2026-04-13 CGPCI - Apr 13, 16:15 UTCApr 13, 16:30 UTC15m
2026-04-13 CGPCI - Apr 13, 15:50 UTCApr 13, 16:15 UTC25m
2026-04-12 CGPCI - Apr 12, 19:45 UTCApr 12, 20:15 UTC30m
2026-04-12 CGPCI - Apr 12, 17:20 UTCApr 12, 18:10 UTC50m

About Mode-S

A Mode-S transponder code (also called an "ICAO 24-bit address" or "hex code") is a 6-character hexadecimal identifier permanently assigned to an aircraft when it's first registered. Unlike callsigns (which change with each flight) or registrations (which can change if an aircraft is sold internationally), the Mode-S address stays with the airframe for the life of the aircraft in that country.

Every ADS-B transmission from an aircraft includes its Mode-S address, making it the most reliable way to identify a specific airframe. Flight-tracking services like Apparatus use the Mode-S address as the primary key for tying position broadcasts, callsigns, and ownership records together.

Prefer a tail-number view? See the C-GPCI page for operator, model, and routing details .

Mode-S C06C81 frequently asked

What is Mode-S code C06C81?
C06C81 is an ICAO 24-bit transponder address. Allocated to Canada. Assigned to C-GPCI.
Where is Mode-S C06C81 registered?
Mode-S code C06C81 is allocated to Canada (CA). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is C06C81 broadcasting right now?
Yes. Mode-S C06C81 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex C06C81, octal 60066201, decimal 12,610,689.
What flights does C06C81 operate?
Mode-S C06C81 has broadcast 1 distinct callsign, including CGPCI.