Apparatus

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sensors Mode-S transponder

A255EE

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N25JA · CESSNA 208 Caravan · operated by AVION CAPITAL CORP

Hex
A255EE
Octal
50452756
Decimal
10,638,830
Country
US
Tail
N25JA
Type
C208
Broadcasting now · callsign N25JA · 4,000 ft
Flights observed
41
Distinct callsigns
1
Country
US
Last broadcast
1h ago

Current position

A255EE is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address A255EE 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
N25JA - 41 2026-04-18

Recent flights last 41

DateFlightRouteTakeoffLandingDuration
2026-04-18 N25JA - Apr 18, 17:05 UTCApr 18, 17:30 UTC25m
2026-04-18 N25JA - Apr 18, 15:55 UTCApr 18, 16:15 UTC20m
2026-04-18 N25JA - Apr 18, 15:00 UTCApr 18, 15:25 UTC25m
2026-04-18 N25JA - Apr 18, 05:50 UTCApr 18, 06:15 UTC25m
2026-04-18 N25JA - Apr 18, 05:00 UTCApr 18, 05:20 UTC20m
2026-04-18 N25JA - Apr 18, 04:00 UTCApr 18, 04:25 UTC25m
2026-04-18 N25JA - Apr 18, 03:00 UTCApr 18, 03:20 UTC20m
2026-04-18 N25JA - Apr 18, 01:55 UTCApr 18, 02:20 UTC25m
2026-04-18 N25JA - Apr 18, 00:55 UTCApr 18, 01:20 UTC25m
2026-04-18 N25JA - Apr 18, 00:00 UTCApr 18, 00:20 UTC20m
2026-04-17 N25JA - Apr 17, 23:25 UTCApr 17, 23:55 UTC30m
2026-04-17 N25JA - Apr 17, 23:05 UTCApr 17, 23:20 UTC15m
2026-04-17 N25JA - Apr 17, 22:00 UTCApr 17, 22:25 UTC25m
2026-04-17 N25JA - Apr 17, 20:55 UTCApr 17, 21:20 UTC25m
2026-04-17 N25JA - Apr 17, 19:55 UTCApr 17, 20:30 UTC35m
2026-04-17 N25JA - Apr 17, 18:55 UTCApr 17, 19:20 UTC25m
2026-04-17 N25JA - Apr 17, 18:05 UTCApr 17, 18:30 UTC25m
2026-04-17 N25JA - Apr 17, 17:25 UTCApr 17, 17:35 UTC10m
2026-04-17 N25JA - Apr 17, 17:05 UTCApr 17, 17:15 UTC10m
2026-04-17 N25JA - Apr 17, 16:00 UTCApr 17, 16:25 UTC25m
2026-04-17 N25JA - Apr 17, 15:00 UTCApr 17, 15:15 UTC15m
2026-04-17 N25JA - Apr 17, 13:55 UTCApr 17, 14:20 UTC25m
2026-04-17 N25JA - Apr 17, 13:00 UTCApr 17, 13:15 UTC15m
2026-04-17 N25JA - Apr 17, 01:25 UTCApr 17, 01:50 UTC25m
2026-04-17 N25JA - Apr 17, 00:30 UTCApr 17, 01:00 UTC30m
2026-04-16 N25JA - Apr 16, 23:35 UTCApr 17, 00:00 UTC25m
2026-04-16 N25JA - Apr 16, 22:34 UTCApr 16, 23:00 UTC25m
2026-04-16 N25JA - Apr 16, 21:30 UTCApr 16, 21:55 UTC25m
2026-04-16 N25JA - Apr 16, 20:35 UTCApr 16, 21:00 UTC25m
2026-04-16 N25JA - Apr 16, 19:30 UTCApr 16, 20:00 UTC30m
2026-04-16 N25JA ANC → ENA Apr 16, 18:40 UTCApr 16, 19:05 UTC26m
2026-04-16 N25JA - Apr 16, 17:25 UTCApr 16, 17:50 UTC25m
2026-04-16 N25JA - Apr 16, 16:40 UTCApr 16, 17:05 UTC25m
2026-04-16 N25JA - Apr 16, 05:49 UTCApr 16, 06:10 UTC20m
2026-04-16 N25JA - Apr 16, 05:09 UTCApr 16, 05:24 UTC15m
2026-04-16 N25JA - Apr 16, 04:00 UTCApr 16, 04:24 UTC25m
2026-04-16 N25JA - Apr 16, 03:09 UTCApr 16, 03:34 UTC25m
2026-04-16 N25JA - Apr 16, 01:10 UTCApr 16, 02:30 UTC1h 20m
2026-04-15 N25JA - Apr 15, 23:15 UTCApr 16, 00:20 UTC1h 5m
2026-04-15 N25JA - Apr 15, 21:25 UTCApr 15, 22:45 UTC1h 20m
2026-04-15 N25JA - Apr 15, 20:05 UTCApr 15, 20:25 UTC20m

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 N25JA page for operator, model, and routing details .

Mode-S A255EE frequently asked

What is Mode-S code A255EE?
A255EE is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N25JA.
Where is Mode-S A255EE registered?
Mode-S code A255EE 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 A255EE broadcasting right now?
Yes. Mode-S A255EE is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A255EE, octal 50452756, decimal 10,638,830.
What flights does A255EE operate?
Mode-S A255EE has broadcast 1 distinct callsign, including N25JA.