Apparatus

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sensors Mode-S transponder

A02238

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N1078U · PIPER PA-34 Seneca · operated by HIGH FLIGHT ACADEMY LLC

Hex
A02238
Octal
50021070
Decimal
10,494,520
Country
US
Tail
N1078U
Type
PA34
No current signal · last broadcast 11h ago
Flights observed
57
Distinct callsigns
1
Country
US
Last broadcast
11h ago

Last known position

Most recent position reported by Mode-S A02238.

Country allocation

The ICAO 24-bit address A02238 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
N1078U - 57 2026-05-29

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-29 N1078U BTP → BTP May 29, 22:05 UTCMay 29, 22:50 UTC45m
2026-05-29 N1078U BTP → BTP May 29, 16:10 UTCMay 29, 16:40 UTC30m
2026-05-29 N1078U BTP → BTP May 29, 14:35 UTCMay 29, 15:20 UTC45m
2026-05-29 N1078U BTP → BTP May 29, 13:05 UTCMay 29, 13:45 UTC40m
2026-05-28 N1078U BTP → BTP May 28, 01:10 UTCMay 28, 04:00 UTC2h 50m
2026-05-27 N1078U - May 27, 16:55 UTCMay 27, 17:00 UTC5m
2026-05-27 N1078U BTP → BTP May 27, 16:10 UTCMay 27, 16:50 UTC40m
2026-05-27 N1078U BTP → BTP May 27, 15:00 UTCMay 27, 15:30 UTC30m
2026-05-18 N1078U - May 18, 01:05 UTCMay 18, 03:30 UTC2h 25m
2026-05-17 N1078U - May 17, 23:30 UTCMay 17, 23:50 UTC20m
2026-05-17 N1078U - May 17, 21:45 UTCMay 17, 22:50 UTC1h 5m
2026-05-16 N1078U BTP → BTP May 16, 01:20 UTCMay 16, 03:55 UTC2h 35m
2026-05-15 N1078U BTP → BTP May 15, 01:10 UTCMay 15, 02:25 UTC1h 15m
2026-05-11 N1078U - May 11, 14:20 UTCMay 11, 15:05 UTC45m
2026-05-10 N1078U BTP → BTP May 10, 20:35 UTCMay 10, 21:30 UTC55m
2026-05-10 N1078U BTP → BTP May 10, 14:45 UTCMay 10, 15:09 UTC25m
2026-05-08 N1078U BTP → BTP May 8, 16:00 UTCMay 8, 16:45 UTC45m
2026-05-07 N1078U - May 7, 23:19 UTCMay 7, 23:59 UTC40m
2026-05-07 N1078U BTP → BTP May 7, 22:05 UTCMay 7, 22:45 UTC40m
2026-05-07 N1078U - May 7, 20:55 UTCMay 7, 21:05 UTC10m
2026-05-07 N1078U - May 7, 19:15 UTCMay 7, 19:50 UTC35m
2026-05-07 N1078U - May 7, 16:45 UTCMay 7, 17:10 UTC25m
2026-05-07 N1078U BTP → BTP May 7, 14:40 UTCMay 7, 15:20 UTC40m
2026-05-07 N1078U BTP → BTP May 7, 00:55 UTCMay 7, 03:15 UTC2h 20m
2026-05-01 N1078U - May 1, 14:40 UTCMay 1, 15:20 UTC40m
2026-05-01 N1078U BTP → BTP May 1, 12:50 UTCMay 1, 13:40 UTC50m
2026-04-29 N1078U - Apr 29, 02:20 UTCApr 29, 02:24 UTC5m
2026-04-29 N1078U BTP → BTP Apr 29, 01:30 UTCApr 29, 01:35 UTC5m
2026-04-27 N1078U BTP → BTP Apr 27, 14:30 UTCApr 27, 15:10 UTC40m
2026-04-24 N1078U BTP → BTP Apr 24, 20:25 UTCApr 24, 20:55 UTC30m
2026-04-24 N1078U - Apr 24, 17:40 UTCApr 24, 18:15 UTC35m
2026-04-24 N1078U BTP → BTP Apr 24, 17:25 UTCApr 24, 17:35 UTC10m
2026-04-24 N1078U - Apr 24, 14:35 UTCApr 24, 15:10 UTC35m
2026-04-24 N1078U BTP → BTP Apr 24, 14:25 UTCApr 24, 14:30 UTC5m
2026-04-23 N1078U - Apr 23, 20:55 UTCApr 23, 21:20 UTC25m
2026-04-23 N1078U - Apr 23, 19:15 UTCApr 23, 19:55 UTC40m
2026-04-23 N1078U - Apr 23, 16:30 UTCApr 23, 17:10 UTC40m
2026-04-22 N1078U BTP → BTP Apr 22, 19:05 UTCApr 22, 19:45 UTC40m
2026-04-22 N1078U BTP → BTP Apr 22, 18:10 UTCApr 22, 18:15 UTC5m
2026-04-22 N1078U BTP → BTP Apr 22, 17:25 UTCApr 22, 18:05 UTC40m
2026-04-22 N1078U BTP → BTP Apr 22, 15:50 UTCApr 22, 16:20 UTC30m
2026-04-21 N1078U BTP → BTP Apr 21, 23:35 UTCApr 22, 00:20 UTC45m
2026-04-21 N1078U BTP → BTP Apr 21, 23:25 UTCApr 21, 23:30 UTC5m
2026-04-21 N1078U - Apr 21, 17:45 UTCApr 21, 18:20 UTC35m
2026-04-21 N1078U BTP → BTP Apr 21, 17:35 UTCApr 21, 17:40 UTC5m
2026-04-20 N1078U BTP → BTP Apr 20, 23:45 UTCApr 21, 00:20 UTC35m
2026-04-19 N1078U BTP → BTP Apr 19, 20:35 UTCApr 19, 21:20 UTC45m
2026-04-18 N1078U - Apr 18, 12:50 UTCApr 18, 13:35 UTC45m
2026-04-18 N1078U BTP → BTP Apr 18, 12:40 UTCApr 18, 12:45 UTC5m
2026-04-17 N1078U - Apr 17, 17:35 UTCApr 17, 18:00 UTC25m

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 N1078U page for operator, model, and routing details .

Mode-S A02238 frequently asked

What is Mode-S code A02238?
A02238 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N1078U.
Where is Mode-S A02238 registered?
Mode-S code A02238 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 A02238 broadcasting right now?
No active broadcast right now. Last signal was 11h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A02238, octal 50021070, decimal 10,494,520.
What flights does A02238 operate?
Mode-S A02238 has broadcast 1 distinct callsign, including N1078U.