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
Transponder active on ground
Flights observed
124
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 - 124 2026-07-13

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-13 N1078U BTP → BTP Jul 13, 23:40 UTCJul 14, 00:15 UTC35m
2026-07-13 N1078U - Jul 13, 22:30 UTCJul 13, 22:50 UTC20m
2026-07-13 N1078U BTP → BTP Jul 13, 22:10 UTCJul 13, 22:25 UTC15m
2026-07-11 N1078U BTP → BTP Jul 11, 19:20 UTCJul 11, 19:55 UTC35m
2026-07-11 N1078U - Jul 11, 18:15 UTCJul 11, 18:20 UTC5m
2026-07-11 N1078U BTP → BTP Jul 11, 18:00 UTCJul 11, 18:10 UTC10m
2026-07-10 N1078U BTP → BTP Jul 10, 17:30 UTCJul 10, 18:05 UTC35m
2026-07-09 N1078U - Jul 9, 21:10 UTCJul 9, 21:55 UTC45m
2026-07-09 N1078U BTP → BTP Jul 9, 14:45 UTCJul 9, 15:35 UTC50m
2026-07-09 N1078U - Jul 9, 11:35 UTCJul 9, 12:15 UTC40m
2026-07-09 N1078U BTP → BTP Jul 9, 11:25 UTCJul 9, 11:30 UTC5m
2026-07-08 N1078U BTP → BTP Jul 8, 19:15 UTCJul 8, 19:55 UTC40m
2026-07-07 N1078U BTP → BTP Jul 7, 20:25 UTCJul 7, 21:05 UTC40m
2026-07-02 N1078U BTP → BTP Jul 2, 14:30 UTCJul 2, 15:30 UTC1h 0m
2026-07-01 N1078U BTP → BTP Jul 1, 22:40 UTCJul 1, 22:50 UTC10m
2026-07-01 N1078U BTP → BTP Jul 1, 22:10 UTCJul 1, 22:35 UTC25m
2026-07-01 N1078U BTP → BTP Jul 1, 19:25 UTCJul 1, 19:50 UTC25m
2026-07-01 N1078U BTP → BTP Jul 1, 17:25 UTCJul 1, 18:10 UTC45m
2026-06-30 N1078U BTP → BTP Jun 30, 20:50 UTCJun 30, 21:50 UTC1h 0m
2026-06-30 N1078U - Jun 30, 19:05 UTCJun 30, 19:40 UTC35m
2026-06-30 N1078U BTP → BTP Jun 30, 18:55 UTCJun 30, 19:00 UTC5m
2026-06-30 N1078U - Jun 30, 15:00 UTCJun 30, 15:25 UTC25m
2026-06-30 N1078U BTP → BTP Jun 30, 13:00 UTCJun 30, 13:50 UTC50m
2026-06-29 N1078U - Jun 29, 22:00 UTCJun 29, 22:44 UTC45m
2026-06-29 N1078U - Jun 29, 21:14 UTCJun 29, 21:19 UTC5m
2026-06-29 N1078U BTP → BTP Jun 29, 20:40 UTCJun 29, 21:05 UTC25m
2026-06-29 N1078U BTP → BTP Jun 29, 19:05 UTCJun 29, 19:44 UTC40m
2026-06-29 N1078U BTP → BTP Jun 29, 17:34 UTCJun 29, 18:10 UTC35m
2026-06-26 N1078U - Jun 26, 20:34 UTCJun 26, 21:04 UTC30m
2026-06-26 N1078U - Jun 26, 19:09 UTCJun 26, 19:39 UTC30m
2026-06-17 N1078U - Jun 17, 20:50 UTCJun 17, 21:30 UTC40m
2026-06-17 N1078U BTP → BTP Jun 17, 20:35 UTCJun 17, 20:45 UTC10m
2026-06-17 N1078U BTP → BTP Jun 17, 19:45 UTCJun 17, 19:50 UTC5m
2026-06-17 N1078U BTP → BTP Jun 17, 18:55 UTCJun 17, 19:40 UTC45m
2026-06-16 N1078U BTP → BTP Jun 16, 23:15 UTCJun 16, 23:55 UTC40m
2026-06-16 N1078U - Jun 16, 20:00 UTCJun 16, 20:15 UTC15m
2026-06-16 N1078U - Jun 16, 18:45 UTCJun 16, 19:30 UTC45m
2026-06-16 N1078U - Jun 16, 16:45 UTCJun 16, 17:00 UTC15m
2026-06-16 N1078U - Jun 16, 11:45 UTCJun 16, 12:20 UTC35m
2026-06-16 N1078U BTP → BTP Jun 16, 11:35 UTCJun 16, 11:40 UTC5m
2026-06-15 N1078U BTP → BTP Jun 15, 20:34 UTCJun 15, 21:14 UTC40m
2026-06-13 N1078U - Jun 13, 12:55 UTCJun 13, 13:30 UTC35m
2026-06-11 N1078U BTP → BTP Jun 11, 12:50 UTCJun 11, 13:35 UTC45m
2026-06-10 N1078U BTP → BTP Jun 10, 23:30 UTCJun 11, 00:20 UTC50m
2026-06-09 N1078U BTP → BTP Jun 9, 22:05 UTCJun 9, 22:50 UTC45m
2026-06-09 N1078U - Jun 9, 20:40 UTCJun 9, 21:05 UTC25m
2026-06-09 N1078U - Jun 9, 19:05 UTCJun 9, 19:55 UTC50m
2026-06-09 N1078U - Jun 9, 17:15 UTCJun 9, 17:30 UTC15m
2026-06-08 N1078U BTP → BTP Jun 8, 19:10 UTCJun 8, 19:55 UTC45m
2026-06-07 N1078U - Jun 7, 16:05 UTCJun 7, 16:30 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?
Mode-S A02238 is currently broadcasting from the ground.
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.