Apparatus

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sensors Mode-S transponder

A2D1AD

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N28096 · PIPER PA-28-140/150/160/180 · operated by CAE OXFORD AVIATION ACADEMY PHOENIX INC

Hex
A2D1AD
Octal
50550655
Decimal
10,670,509
Country
US
Tail
N28096
Type
P28A
No current signal · last broadcast 3h ago
Flights observed
203
Distinct callsigns
1
Country
US
Last broadcast
3h ago

Last known position

Most recent position reported by Mode-S A2D1AD.

Country allocation

The ICAO 24-bit address A2D1AD 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
OXF6784 - 203 2026-07-14

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 OXF6784 - Jul 14, 05:40 UTCJul 14, 06:40 UTC1h 0m
2026-07-14 OXF6784 - Jul 14, 01:10 UTCJul 14, 02:15 UTC1h 5m
2026-07-13 OXF6784 - Jul 13, 22:40 UTCJul 13, 23:10 UTC30m
2026-07-13 OXF6784 - Jul 13, 19:20 UTCJul 13, 21:10 UTC1h 50m
2026-07-13 OXF6784 - Jul 13, 15:10 UTCJul 13, 17:00 UTC1h 50m
2026-07-12 OXF6784 - Jul 12, 20:40 UTCJul 12, 21:40 UTC1h 0m
2026-07-12 OXF6784 - Jul 12, 01:15 UTCJul 12, 02:25 UTC1h 10m
2026-07-11 OXF6784 - Jul 11, 17:35 UTCJul 11, 18:00 UTC25m
2026-07-11 OXF6784 - Jul 11, 15:30 UTCJul 11, 16:25 UTC55m
2026-07-11 OXF6784 - Jul 11, 03:01 UTCJul 11, 04:55 UTC1h 55m
2026-07-10 OXF6784 - Jul 10, 16:10 UTCJul 10, 18:25 UTC2h 15m
2026-07-09 OXF6784 - Jul 9, 16:00 UTCJul 9, 17:40 UTC1h 40m
2026-07-08 OXF6784 - Jul 8, 22:10 UTCJul 8, 23:10 UTC1h 0m
2026-07-08 OXF6784 - Jul 8, 18:40 UTCJul 8, 19:50 UTC1h 10m
2026-07-07 OXF6784 - Jul 7, 20:55 UTCJul 7, 21:45 UTC50m
2026-07-07 OXF6784 - Jul 7, 16:05 UTCJul 7, 17:50 UTC1h 45m
2026-07-07 OXF6784 - Jul 7, 06:25 UTCJul 7, 07:45 UTC1h 20m
2026-07-07 OXF6784 - Jul 7, 05:05 UTCJul 7, 05:40 UTC35m
2026-07-07 OXF6784 - Jul 7, 01:45 UTCJul 7, 02:20 UTC35m
2026-07-06 OXF6784 - Jul 6, 23:30 UTCJul 7, 01:00 UTC1h 30m
2026-07-02 OXF6784 - Jul 2, 22:50 UTCJul 3, 00:05 UTC1h 15m
2026-07-02 OXF6784 - Jul 2, 21:25 UTCJul 2, 22:05 UTC40m
2026-07-02 OXF6784 - Jul 2, 18:50 UTCJul 2, 19:15 UTC25m
2026-07-02 OXF6784 - Jul 2, 15:35 UTCJul 2, 16:50 UTC1h 15m
2026-07-01 OXF6784 - Jul 1, 18:30 UTCJul 1, 20:55 UTC2h 25m
2026-07-01 OXF6784 - Jul 1, 13:00 UTCJul 1, 15:55 UTC2h 55m
2026-06-29 OXF6784 - Jun 29, 22:19 UTCJun 29, 23:09 UTC50m
2026-06-29 OXF6784 - Jun 29, 19:05 UTCJun 29, 20:49 UTC1h 45m
2026-06-29 OXF6784 - Jun 29, 15:54 UTCJun 29, 17:10 UTC1h 15m
2026-06-29 OXF6784 - Jun 29, 05:30 UTCJun 29, 08:19 UTC2h 50m
2026-06-29 OXF6784 - Jun 29, 03:44 UTCJun 29, 04:25 UTC40m
2026-06-29 OXF6784 - Jun 29, 01:44 UTCJun 29, 02:50 UTC1h 5m
2026-06-28 OXF6784 - Jun 28, 17:04 UTCJun 28, 18:44 UTC1h 40m
2026-06-27 OXF6784 - Jun 27, 17:09 UTCJun 27, 18:54 UTC1h 45m
2026-06-27 OXF6784 - Jun 27, 15:00 UTCJun 27, 16:30 UTC1h 30m
2026-06-26 OXF6784 - Jun 26, 18:09 UTCJun 26, 19:00 UTC50m
2026-06-26 OXF6784 - Jun 26, 14:44 UTCJun 26, 16:35 UTC1h 50m
2026-06-25 OXF6784 - Jun 25, 19:59 UTCJun 25, 21:40 UTC1h 40m
2026-06-25 OXF6784 - Jun 25, 15:04 UTCJun 25, 16:45 UTC1h 40m
2026-06-24 OXF6784 - Jun 24, 15:54 UTCJun 24, 17:45 UTC1h 50m
2026-06-24 OXF6784 MSC → MSC Jun 24, 00:15 UTCJun 24, 01:49 UTC1h 35m
2026-06-23 OXF6784 - Jun 23, 21:05 UTCJun 23, 22:49 UTC1h 45m
2026-06-23 OXF6784 - Jun 23, 18:55 UTCJun 23, 20:04 UTC1h 10m
2026-06-23 OXF6784 - Jun 23, 14:49 UTCJun 23, 16:35 UTC1h 45m
2026-06-22 OXF6784 - Jun 22, 18:49 UTCJun 22, 20:39 UTC1h 50m
2026-06-22 OXF6784 - Jun 22, 15:40 UTCJun 22, 17:10 UTC1h 30m
2026-06-21 OXF6784 - Jun 21, 17:45 UTCJun 21, 19:09 UTC1h 25m
2026-06-21 OXF6784 - Jun 21, 15:49 UTCJun 21, 17:10 UTC1h 20m
2026-06-20 OXF6784 - Jun 20, 19:24 UTCJun 20, 20:09 UTC45m
2026-06-19 OXF6784 - Jun 19, 18:59 UTCJun 19, 20:40 UTC1h 40m

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 N28096 page for operator, model, and routing details .

Mode-S A2D1AD frequently asked

What is Mode-S code A2D1AD?
A2D1AD is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N28096.
Where is Mode-S A2D1AD registered?
Mode-S code A2D1AD 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 A2D1AD broadcasting right now?
No active broadcast right now. Last signal was 3h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A2D1AD, octal 50550655, decimal 10,670,509.
What flights does A2D1AD operate?
Mode-S A2D1AD has broadcast 1 distinct callsign, including OXF6784.