Apparatus

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sensors Mode-S transponder

ABE561

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N866CP · CESSNA 172 Skyhawk · operated by CIVIL AIR PATROL

Hex
ABE561
Octal
52762541
Decimal
11,265,377
Country
US
Tail
N866CP
Type
C172
No current signal · last broadcast 1d ago
Flights observed
55
Distinct callsigns
1
Country
US
Last broadcast
1d ago

Last known position

Most recent position reported by Mode-S ABE561.

Country allocation

The ICAO 24-bit address ABE561 falls within the block assigned to United States (US) by ICAO Annex 10, Volume III. Every aircraft registered in United States 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
CAP3666 - 55 2026-07-19

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-19 CAP3666 - Jul 19, 18:15 UTCJul 19, 20:10 UTC1h 55m
2026-07-19 CAP3666 - Jul 19, 15:50 UTCJul 19, 16:20 UTC30m
2026-07-19 CAP3666 EUG → SLE Jul 19, 14:40 UTCJul 19, 15:15 UTC35m
2026-07-18 CAP3666 MFR → EUG Jul 18, 20:00 UTCJul 18, 21:05 UTC1h 5m
2026-07-18 CAP3666 EUG → MFR Jul 18, 14:50 UTCJul 18, 16:05 UTC1h 15m
2026-07-13 CAP3666 EUG → EUG Jul 13, 19:00 UTCJul 13, 19:50 UTC50m
2026-07-10 CAP3666 EUG → EUG Jul 10, 18:45 UTCJul 10, 19:35 UTC50m
2026-07-07 CAP3666 - Jul 7, 22:35 UTCJul 7, 23:10 UTC35m
2026-06-30 CAP3666 - Jun 30, 21:20 UTCJun 30, 22:25 UTC1h 5m
2026-06-29 CAP3666 - Jun 29, 23:14 UTCJun 30, 00:14 UTC1h 0m
2026-06-29 CAP3666 EUG → SLE Jun 29, 22:00 UTCJun 29, 22:30 UTC30m
2026-06-24 CAP3666 EUG → EUG Jun 24, 22:25 UTCJun 24, 23:20 UTC55m
2026-06-24 CAP3666 - Jun 24, 19:59 UTCJun 24, 20:24 UTC25m
2026-06-24 CAP3666 - Jun 24, 18:55 UTCJun 24, 19:20 UTC25m
2026-06-24 CAP3666 EUG → EUG Jun 24, 00:30 UTCJun 24, 01:30 UTC1h 0m
2026-06-23 CAP3666 EUG → EUG Jun 23, 01:30 UTCJun 23, 02:40 UTC1h 10m
2026-06-22 CAP3666 - Jun 22, 01:25 UTCJun 22, 02:04 UTC40m
2026-06-20 CAP3666 - Jun 20, 23:59 UTCJun 21, 00:29 UTC30m
2026-06-20 CAP3666 - Jun 20, 21:49 UTCJun 20, 23:25 UTC1h 35m
2026-06-20 CAP3666 - Jun 20, 18:45 UTCJun 20, 19:55 UTC1h 10m
2026-06-20 CAP3666 - Jun 20, 16:24 UTCJun 20, 17:04 UTC40m
2026-06-19 CAP3666 - Jun 19, 20:55 UTCJun 19, 22:24 UTC1h 30m
2026-06-18 CAP3666 SLE → EUG Jun 18, 19:10 UTCJun 18, 20:05 UTC55m
2026-06-17 CAP3666 - Jun 17, 19:05 UTCJun 17, 20:05 UTC1h 0m
2026-06-17 CAP3666 - Jun 17, 14:50 UTCJun 17, 16:55 UTC2h 5m
2026-06-17 CAP3666 - Jun 17, 01:00 UTCJun 17, 01:15 UTC15m
2026-06-16 CAP3666 - Jun 16, 23:00 UTCJun 16, 23:55 UTC55m
2026-06-16 CAP3666 - Jun 16, 20:10 UTCJun 16, 21:10 UTC1h 0m
2026-06-16 CAP3666 - Jun 16, 15:50 UTCJun 16, 16:50 UTC1h 0m
2026-06-15 CAP3666 - Jun 15, 18:35 UTCJun 15, 19:10 UTC35m
2026-06-13 CAP3666 - Jun 13, 20:10 UTCJun 13, 22:00 UTC1h 50m
2026-06-13 CAP3666 - Jun 13, 18:45 UTCJun 13, 19:35 UTC50m
2026-06-13 CAP3666 - Jun 13, 17:25 UTCJun 13, 18:05 UTC40m
2026-06-13 CAP3666 - Jun 13, 01:10 UTCJun 13, 02:55 UTC1h 45m
2026-06-13 CAP3666 - Jun 13, 00:10 UTCJun 13, 00:40 UTC30m
2026-06-12 CAP3666 SLE → SLE Jun 12, 23:05 UTCJun 12, 23:40 UTC35m
2026-06-12 CAP3666 - Jun 12, 21:25 UTCJun 12, 21:55 UTC30m
2026-06-10 CAP3666 - Jun 10, 19:10 UTCJun 10, 20:15 UTC1h 5m
2026-06-10 CAP3666 - Jun 10, 16:50 UTCJun 10, 17:20 UTC30m
2026-06-08 CAP3666 - Jun 8, 02:00 UTCJun 8, 02:15 UTC15m
2026-06-07 CAP3666 - Jun 7, 00:30 UTCJun 7, 00:44 UTC15m
2026-06-06 CAP3666 - Jun 6, 21:20 UTCJun 6, 21:50 UTC30m
2026-06-06 CAP3666 - Jun 6, 20:19 UTCJun 6, 20:45 UTC25m
2026-06-06 CAP3666 - Jun 6, 16:30 UTCJun 6, 18:00 UTC1h 30m
2026-06-06 CAP3666 - Jun 6, 02:50 UTCJun 6, 03:25 UTC35m
2026-06-06 CAP3666 SLE → SLE Jun 6, 01:45 UTCJun 6, 02:05 UTC20m
2026-06-05 CAP3666 - Jun 5, 23:35 UTCJun 6, 00:20 UTC45m
2026-06-05 CAP3666 - Jun 5, 20:40 UTCJun 5, 21:10 UTC30m
2026-05-31 CAP3666 - May 31, 20:30 UTCMay 31, 21:55 UTC1h 25m
2026-05-30 CAP3666 - May 30, 19:45 UTCMay 30, 20:55 UTC1h 10m

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 N866CP page for operator, model, and routing details .

Mode-S ABE561 frequently asked

What is Mode-S code ABE561?
ABE561 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N866CP.
Where is Mode-S ABE561 registered?
Mode-S code ABE561 is allocated to United States (US). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is ABE561 broadcasting right now?
No active broadcast right now. Last signal was 1d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex ABE561, octal 52762541, decimal 11,265,377.
What flights does ABE561 operate?
Mode-S ABE561 has broadcast 1 distinct callsign, including CAP3666.