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sensors Mode-S transponder

A2F829

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N2902S · PIPER PA-28-140/150/160/180 · operated by M81 AVIATION LLC

Hex
A2F829
Octal
50574051
Decimal
10,680,361
Country
US
Tail
N2902S
Type
P28A
No current signal · last broadcast 18h ago
Flights observed
104
Distinct callsigns
1
Country
US
Last broadcast
18h ago

Last known position

Most recent position reported by Mode-S A2F829.

Country allocation

The ICAO 24-bit address A2F829 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
N2902S - 104 2026-07-13

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-13 N2902S - Jul 13, 20:50 UTCJul 13, 22:10 UTC1h 20m
2026-07-13 N2902S SMO → SMO Jul 13, 17:30 UTCJul 13, 18:40 UTC1h 10m
2026-07-11 N2902S SMO → SMO Jul 11, 21:20 UTCJul 11, 21:55 UTC35m
2026-07-11 N2902S - Jul 11, 19:30 UTCJul 11, 19:55 UTC25m
2026-07-11 N2902S SMO → SMO Jul 11, 18:15 UTCJul 11, 18:35 UTC20m
2026-07-11 N2902S SMO → SMO Jul 11, 02:05 UTCJul 11, 02:25 UTC20m
2026-07-11 N2902S - Jul 11, 01:25 UTCJul 11, 02:00 UTC35m
2026-07-10 N2902S - Jul 10, 21:15 UTCJul 10, 22:30 UTC1h 15m
2026-07-10 N2902S - Jul 10, 19:05 UTCJul 10, 19:30 UTC25m
2026-07-10 N2902S - Jul 10, 17:30 UTCJul 10, 17:50 UTC20m
2026-07-09 N2902S - Jul 9, 21:35 UTCJul 9, 22:00 UTC25m
2026-07-09 N2902S - Jul 9, 19:50 UTCJul 9, 20:15 UTC25m
2026-07-09 N2902S SMO → SMO Jul 9, 00:05 UTCJul 9, 01:10 UTC1h 5m
2026-07-08 N2902S - Jul 8, 19:40 UTCJul 8, 20:30 UTC50m
2026-07-08 N2902S SMO → SMO Jul 8, 00:10 UTCJul 8, 01:10 UTC1h 0m
2026-07-07 N2902S - Jul 7, 22:40 UTCJul 7, 23:10 UTC30m
2026-07-07 N2902S - Jul 7, 20:40 UTCJul 7, 21:55 UTC1h 15m
2026-07-07 N2902S - Jul 7, 19:20 UTCJul 7, 20:30 UTC1h 10m
2026-07-07 N2902S SMO → SMO Jul 7, 01:40 UTCJul 7, 02:10 UTC30m
2026-06-24 N2902S SMO → SMO Jun 24, 21:09 UTCJun 24, 21:50 UTC40m
2026-06-23 N2902S - Jun 23, 22:05 UTCJun 23, 22:34 UTC30m
2026-06-23 N2902S - Jun 23, 19:39 UTCJun 23, 19:59 UTC20m
2026-06-23 N2902S SMO → SMO Jun 23, 01:15 UTCJun 23, 01:54 UTC40m
2026-06-22 N2902S - Jun 22, 23:50 UTCJun 23, 00:30 UTC40m
2026-06-22 N2902S - Jun 22, 19:49 UTCJun 22, 20:14 UTC25m
2026-06-20 N2902S - Jun 20, 22:14 UTCJun 20, 23:04 UTC50m
2026-06-17 N2902S - Jun 17, 21:00 UTCJun 17, 21:50 UTC50m
2026-06-14 N2902S - Jun 14, 22:55 UTCJun 14, 23:35 UTC39m
2026-06-14 N2902S VNY → SMO Jun 14, 21:50 UTCJun 14, 22:15 UTC25m
2026-06-14 N2902S - Jun 14, 21:30 UTCJun 14, 21:45 UTC15m
2026-06-13 N2902S - Jun 13, 21:35 UTCJun 13, 22:25 UTC50m
2026-06-12 N2902S - Jun 12, 21:50 UTCJun 12, 22:40 UTC50m
2026-06-12 N2902S SMO → SMO Jun 12, 18:25 UTCJun 12, 19:15 UTC50m
2026-06-09 N2902S SQA → SMO Jun 9, 22:40 UTCJun 9, 23:30 UTC50m
2026-06-09 N2902S SMO → SQA Jun 9, 20:20 UTCJun 9, 21:25 UTC1h 5m
2026-06-09 N2902S - Jun 9, 03:20 UTCJun 9, 04:05 UTC45m
2026-06-09 N2902S - Jun 9, 02:05 UTCJun 9, 02:40 UTC35m
2026-06-07 N2902S - Jun 7, 22:10 UTCJun 7, 23:55 UTC1h 45m
2026-06-04 N2902S - Jun 4, 03:00 UTCJun 4, 03:45 UTC45m
2026-06-04 N2902S SMO → SBD Jun 4, 02:00 UTCJun 4, 02:40 UTC40m
2026-06-03 N2902S SMO → SMO Jun 3, 18:50 UTCJun 3, 20:05 UTC1h 15m
2026-05-30 N2902S SMO → SMO May 30, 03:40 UTCMay 30, 03:50 UTC10m
2026-05-30 N2902S SMO → SMO May 30, 02:55 UTCMay 30, 03:35 UTC40m
2026-05-29 N2902S WHP → SMO May 29, 16:40 UTCMay 29, 16:50 UTC10m
2026-05-29 N2902S - May 29, 15:10 UTCMay 29, 15:20 UTC10m
2026-05-28 N2902S VNY → SMO May 28, 04:40 UTCMay 28, 04:45 UTC5m
2026-05-27 N2902S SMO → SMO May 27, 23:20 UTCMay 27, 23:55 UTC35m
2026-05-27 N2902S - May 27, 00:39 UTCMay 27, 01:39 UTC1h 0m
2026-05-26 N2902S BUR → SMO May 26, 23:49 UTCMay 27, 00:00 UTC10m
2026-05-26 N2902S - May 26, 22:44 UTCMay 26, 23:39 UTC55m

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 N2902S page for operator, model, and routing details .

Mode-S A2F829 frequently asked

What is Mode-S code A2F829?
A2F829 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N2902S.
Where is Mode-S A2F829 registered?
Mode-S code A2F829 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 A2F829 broadcasting right now?
No active broadcast right now. Last signal was 18h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A2F829, octal 50574051, decimal 10,680,361.
What flights does A2F829 operate?
Mode-S A2F829 has broadcast 1 distinct callsign, including N2902S.