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sensors Mode-S transponder

A2B86B

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N2745M · CESSNA 172R Cutlass RG · operated by BLUE STAR SERVICES LLC

Hex
A2B86B
Octal
50534153
Decimal
10,664,043
Country
US
Tail
N2745M
Type
C72R
No current signal · last broadcast 15d ago
Flights observed
153
Distinct callsigns
1
Country
US
Last broadcast
15d ago

Last known position

Most recent position reported by Mode-S A2B86B.

Country allocation

The ICAO 24-bit address A2B86B 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
N2745M - 153 2026-07-24

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-24 N2745M - Jul 24, 20:10 UTCJul 24, 20:55 UTC45m
2026-07-24 N2745M - Jul 24, 16:45 UTCJul 24, 17:30 UTC45m
2026-07-23 N2745M - Jul 23, 20:35 UTCJul 23, 21:45 UTC1h 10m
2026-07-23 N2745M - Jul 23, 00:05 UTCJul 23, 00:25 UTC20m
2026-07-22 N2745M - Jul 22, 21:35 UTCJul 22, 23:20 UTC1h 45m
2026-07-22 N2745M - Jul 22, 18:45 UTCJul 22, 19:50 UTC1h 5m
2026-07-20 N2745M - Jul 20, 19:50 UTCJul 20, 20:05 UTC15m
2026-07-20 N2745M - Jul 20, 14:45 UTCJul 20, 16:10 UTC1h 25m
2026-07-20 N2745M - Jul 20, 02:00 UTCJul 20, 03:05 UTC1h 5m
2026-07-17 N2745M - Jul 17, 16:24 UTCJul 17, 16:34 UTC10m
2026-07-17 N2745M - Jul 17, 13:50 UTCJul 17, 15:00 UTC1h 10m
2026-07-16 N2745M PVL → PVL Jul 16, 21:40 UTCJul 16, 22:05 UTC25m
2026-07-16 N2745M PVL → PVL Jul 16, 20:00 UTCJul 16, 20:35 UTC35m
2026-07-16 N2745M - Jul 16, 13:34 UTCJul 16, 14:50 UTC1h 15m
2026-07-15 N2745M - Jul 15, 04:10 UTCJul 15, 04:55 UTC45m
2026-07-14 N2745M - Jul 14, 19:45 UTCJul 14, 20:15 UTC30m
2026-07-14 N2745M - Jul 14, 17:30 UTCJul 14, 18:00 UTC30m
2026-07-14 N2745M - Jul 14, 15:30 UTCJul 14, 15:50 UTC20m
2026-07-03 N2745M - Jul 3, 19:35 UTCJul 3, 19:55 UTC20m
2026-07-02 N2745M - Jul 2, 20:45 UTCJul 2, 21:40 UTC55m
2026-07-02 N2745M - Jul 2, 16:10 UTCJul 2, 16:50 UTC40m
2026-07-02 N2745M - Jul 2, 09:00 UTCJul 2, 09:40 UTC40m
2026-07-01 N2745M - Jul 1, 15:20 UTCJul 1, 15:30 UTC10m
2026-07-01 N2745M - Jul 1, 12:35 UTCJul 1, 14:15 UTC1h 40m
2026-06-30 N2745M - Jun 30, 14:00 UTCJun 30, 14:15 UTC15m
2026-06-29 N2745M - Jun 29, 23:39 UTCJun 29, 23:49 UTC10m
2026-06-29 N2745M - Jun 29, 21:30 UTCJun 29, 22:30 UTC1h 0m
2026-06-29 N2745M - Jun 29, 19:05 UTCJun 29, 19:20 UTC15m
2026-06-29 N2745M - Jun 29, 17:55 UTCJun 29, 18:10 UTC15m
2026-06-29 N2745M - Jun 29, 16:59 UTCJun 29, 17:10 UTC10m
2026-06-25 N2745M PVL → PVL Jun 25, 23:55 UTCJun 26, 00:30 UTC35m
2026-06-25 N2745M - Jun 25, 15:10 UTCJun 25, 15:34 UTC25m
2026-06-25 N2745M - Jun 25, 13:50 UTCJun 25, 14:04 UTC15m
2026-06-24 N2745M - Jun 24, 22:39 UTCJun 24, 23:20 UTC40m
2026-06-24 N2745M - Jun 24, 20:09 UTCJun 24, 20:44 UTC35m
2026-06-24 N2745M - Jun 24, 19:00 UTCJun 24, 19:10 UTC10m
2026-06-23 N2745M PVL → PVL Jun 23, 19:55 UTCJun 23, 20:40 UTC45m
2026-06-20 N2745M - Jun 20, 15:44 UTCJun 20, 16:39 UTC55m
2026-06-20 N2745M - Jun 20, 02:09 UTCJun 20, 03:39 UTC1h 30m
2026-06-20 N2745M - Jun 20, 01:14 UTCJun 20, 01:24 UTC10m
2026-06-19 N2745M - Jun 19, 13:59 UTCJun 19, 15:04 UTC1h 5m
2026-06-19 N2745M - Jun 19, 11:14 UTCJun 19, 12:09 UTC55m
2026-06-17 N2745M - Jun 17, 21:40 UTCJun 17, 21:55 UTC15m
2026-06-17 N2745M - Jun 17, 16:40 UTCJun 17, 17:00 UTC20m
2026-06-17 N2745M - Jun 17, 14:50 UTCJun 17, 15:50 UTC1h 0m
2026-06-17 N2745M - Jun 17, 12:35 UTCJun 17, 13:25 UTC50m
2026-06-17 N2745M - Jun 17, 09:50 UTCJun 17, 10:20 UTC30m
2026-06-16 N2745M - Jun 16, 22:45 UTCJun 16, 23:20 UTC35m
2026-06-16 N2745M - Jun 16, 15:45 UTCJun 16, 17:05 UTC1h 20m
2026-06-08 N2745M - Jun 8, 17:20 UTCJun 8, 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 N2745M page for operator, model, and routing details .

Mode-S A2B86B frequently asked

What is Mode-S code A2B86B?
A2B86B is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N2745M.
Where is Mode-S A2B86B registered?
Mode-S code A2B86B 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 A2B86B broadcasting right now?
No active broadcast right now. Last signal was 15d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A2B86B, octal 50534153, decimal 10,664,043.
What flights does A2B86B operate?
Mode-S A2B86B has broadcast 1 distinct callsign, including N2745M.