Apparatus

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sensors Mode-S transponder

A2DC57

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N2836N · PIPER PA-28-140/150/160/180 · operated by GREAT PLANES AVIATION INC

Hex
A2DC57
Octal
50556127
Decimal
10,673,239
Country
US
Tail
N2836N
Type
P28A
No current signal · last broadcast 9d ago
Flights observed
114
Distinct callsigns
1
Country
US
Last broadcast
9d ago

Last known position

Most recent position reported by Mode-S A2DC57.

Country allocation

The ICAO 24-bit address A2DC57 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
N2836N - 114 2026-07-24

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-24 N2836N - Jul 24, 22:10 UTCJul 24, 23:25 UTC1h 15m
2026-07-24 N2836N RST → RST Jul 24, 15:50 UTCJul 24, 16:40 UTC50m
2026-07-24 N2836N - Jul 24, 13:45 UTCJul 24, 14:50 UTC1h 5m
2026-07-24 N2836N - Jul 24, 00:15 UTCJul 24, 01:25 UTC1h 10m
2026-07-23 N2836N - Jul 23, 22:15 UTCJul 23, 23:30 UTC1h 15m
2026-07-23 N2836N - Jul 23, 17:30 UTCJul 23, 17:45 UTC15m
2026-07-23 N2836N - Jul 23, 16:35 UTCJul 23, 16:50 UTC15m
2026-07-22 N2836N - Jul 22, 23:10 UTCJul 23, 00:15 UTC1h 5m
2026-07-22 N2836N RST → RST Jul 22, 20:55 UTCJul 22, 22:15 UTC1h 20m
2026-07-22 N2836N - Jul 22, 15:45 UTCJul 22, 16:00 UTC15m
2026-07-22 N2836N - Jul 22, 15:00 UTCJul 22, 15:15 UTC15m
2026-07-22 N2836N - Jul 22, 11:50 UTCJul 22, 12:35 UTC45m
2026-07-22 N2836N RST → RST Jul 22, 00:55 UTCJul 22, 02:20 UTC1h 25m
2026-07-21 N2836N RST → RST Jul 21, 22:40 UTCJul 22, 00:00 UTC1h 20m
2026-07-21 N2836N RST → RST Jul 21, 15:40 UTCJul 21, 17:35 UTC1h 55m
2026-07-18 N2836N RST → RST Jul 18, 13:20 UTCJul 18, 14:30 UTC1h 10m
2026-07-17 N2836N RST → RST Jul 17, 23:05 UTCJul 18, 00:00 UTC55m
2026-07-17 N2836N RST → RST Jul 17, 15:20 UTCJul 17, 15:55 UTC35m
2026-07-16 N2836N RST → RST Jul 16, 19:35 UTCJul 16, 20:45 UTC1h 10m
2026-07-16 N2836N - Jul 16, 16:40 UTCJul 16, 16:55 UTC15m
2026-07-16 N2836N - Jul 16, 15:40 UTCJul 16, 16:05 UTC25m
2026-07-14 N2836N RST → RST Jul 14, 23:30 UTCJul 15, 00:55 UTC1h 25m
2026-07-14 N2836N RST → RST Jul 14, 18:00 UTCJul 14, 18:30 UTC30m
2026-07-11 N2836N - Jul 11, 14:40 UTCJul 11, 15:55 UTC1h 15m
2026-07-10 N2836N - Jul 10, 22:50 UTCJul 10, 23:40 UTC50m
2026-07-10 N2836N RST → RST Jul 10, 13:45 UTCJul 10, 15:30 UTC1h 45m
2026-07-10 N2836N RST → RST Jul 10, 12:20 UTCJul 10, 13:00 UTC40m
2026-07-10 N2836N RST → RST Jul 10, 00:50 UTCJul 10, 01:15 UTC25m
2026-07-10 N2836N RST → RST Jul 10, 00:20 UTCJul 10, 00:45 UTC25m
2026-07-09 N2836N RST → RST Jul 9, 20:25 UTCJul 9, 21:40 UTC1h 15m
2026-07-07 N2836N RST → RST Jul 7, 23:20 UTCJul 8, 00:45 UTC1h 25m
2026-07-07 N2836N RST → RST Jul 7, 19:40 UTCJul 7, 20:45 UTC1h 5m
2026-07-07 N2836N RST → RST Jul 7, 13:00 UTCJul 7, 14:05 UTC1h 5m
2026-07-06 N2836N RST → RST Jul 6, 17:50 UTCJul 6, 18:55 UTC1h 5m
2026-07-06 N2836N - Jul 6, 16:10 UTCJul 6, 17:05 UTC55m
2026-07-06 N2836N MKT → RST Jul 6, 02:15 UTCJul 6, 02:55 UTC40m
2026-07-06 N2836N - Jul 6, 00:40 UTCJul 6, 01:40 UTC1h 0m
2026-07-05 N2836N - Jul 5, 19:20 UTCJul 5, 20:35 UTC1h 15m
2026-07-05 N2836N - Jul 5, 17:50 UTCJul 5, 18:20 UTC30m
2026-07-03 N2836N RST → RST Jul 3, 23:20 UTCJul 4, 00:50 UTC1h 30m
2026-07-01 N2836N RST → RST Jul 1, 23:30 UTCJul 2, 00:45 UTC1h 15m
2026-07-01 N2836N RST → RST Jul 1, 01:25 UTCJul 1, 02:35 UTC1h 10m
2026-06-27 N2836N RST → RST Jun 27, 19:05 UTCJun 27, 19:59 UTC55m
2026-06-25 N2836N RST → RST Jun 25, 17:30 UTCJun 25, 18:39 UTC1h 10m
2026-06-24 N2836N RST → RST Jun 24, 16:45 UTCJun 24, 18:15 UTC1h 30m
2026-06-23 N2836N - Jun 23, 23:10 UTCJun 23, 23:55 UTC45m
2026-06-23 N2836N RST → RST Jun 23, 17:50 UTCJun 23, 18:45 UTC55m
2026-06-23 N2836N - Jun 23, 16:09 UTCJun 23, 16:50 UTC40m
2026-06-23 N2836N RST → RST Jun 23, 13:24 UTCJun 23, 14:15 UTC50m
2026-06-22 N2836N RST → RST Jun 22, 23:55 UTCJun 23, 00:54 UTC1h 0m

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 N2836N page for operator, model, and routing details .

Mode-S A2DC57 frequently asked

What is Mode-S code A2DC57?
A2DC57 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N2836N.
Where is Mode-S A2DC57 registered?
Mode-S code A2DC57 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 A2DC57 broadcasting right now?
No active broadcast right now. Last signal was 9d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A2DC57, octal 50556127, decimal 10,673,239.
What flights does A2DC57 operate?
Mode-S A2DC57 has broadcast 1 distinct callsign, including N2836N.