Apparatus

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sensors Mode-S transponder

A3B68B

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N33847 · PIPER PA-28-140/150/160/180

Hex
A3B68B
Octal
50733213
Decimal
10,729,099
Country
US
Tail
N33847
Type
P28A
No current signal · last broadcast 13h ago
Flights observed
152
Distinct callsigns
1
Country
US
Last broadcast
13h ago

Last known position

Most recent position reported by Mode-S A3B68B.

Country allocation

The ICAO 24-bit address A3B68B 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
N33847 - 152 2026-07-13

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-13 N33847 ASH → ASH Jul 13, 21:30 UTCJul 13, 22:20 UTC50m
2026-07-13 N33847 ASH → ASH Jul 13, 19:45 UTCJul 13, 20:05 UTC20m
2026-07-13 N33847 ASH → ASH Jul 13, 11:45 UTCJul 13, 12:40 UTC55m
2026-07-12 N33847 - Jul 12, 21:50 UTCJul 12, 22:55 UTC1h 5m
2026-07-12 N33847 ASH → ASH Jul 12, 20:10 UTCJul 12, 20:35 UTC25m
2026-07-12 N33847 - Jul 12, 18:25 UTCJul 12, 18:55 UTC30m
2026-07-12 N33847 - Jul 12, 15:45 UTCJul 12, 16:30 UTC45m
2026-07-12 N33847 ASH → ASH Jul 12, 11:35 UTCJul 12, 12:45 UTC1h 10m
2026-07-11 N33847 - Jul 11, 18:00 UTCJul 11, 18:40 UTC40m
2026-07-11 N33847 - Jul 11, 15:35 UTCJul 11, 16:10 UTC35m
2026-07-11 N33847 - Jul 11, 14:20 UTCJul 11, 14:45 UTC25m
2026-07-10 N33847 ASH → ASH Jul 10, 19:35 UTCJul 10, 20:15 UTC40m
2026-07-10 N33847 ASH → ASH Jul 10, 16:15 UTCJul 10, 17:45 UTC1h 30m
2026-07-10 N33847 ASH → ASH Jul 10, 11:45 UTCJul 10, 12:00 UTC15m
2026-07-09 N33847 ASH → ASH Jul 9, 15:55 UTCJul 9, 16:35 UTC40m
2026-07-09 N33847 ASH → ASH Jul 9, 13:55 UTCJul 9, 14:30 UTC35m
2026-07-08 N33847 - Jul 8, 21:40 UTCJul 8, 22:25 UTC45m
2026-07-08 N33847 - Jul 8, 16:15 UTCJul 8, 16:55 UTC40m
2026-07-06 N33847 ASH → ASH Jul 6, 21:40 UTCJul 6, 22:35 UTC55m
2026-07-06 N33847 - Jul 6, 17:45 UTCJul 6, 18:25 UTC40m
2026-07-06 N33847 ASH → ASH Jul 6, 13:55 UTCJul 6, 14:35 UTC40m
2026-07-06 N33847 ASH → ASH Jul 6, 11:50 UTCJul 6, 12:10 UTC20m
2026-07-05 N33847 ASH → ASH Jul 5, 22:10 UTCJul 5, 23:00 UTC50m
2026-07-05 N33847 ASH → ASH Jul 5, 11:45 UTCJul 5, 12:25 UTC40m
2026-07-03 N33847 - Jul 3, 13:55 UTCJul 3, 14:55 UTC1h 0m
2026-07-03 N33847 ASH → ASH Jul 3, 12:45 UTCJul 3, 13:05 UTC20m
2026-07-03 N33847 ASH → ASH Jul 3, 11:45 UTCJul 3, 12:10 UTC25m
2026-07-02 N33847 - Jul 2, 15:55 UTCJul 2, 16:35 UTC40m
2026-07-02 N33847 - Jul 2, 14:00 UTCJul 2, 14:40 UTC40m
2026-07-01 N33847 ASH → ASH Jul 1, 13:35 UTCJul 1, 14:20 UTC45m
2026-07-01 N33847 ASH → ASH Jul 1, 12:05 UTCJul 1, 12:30 UTC25m
2026-06-30 N33847 ASH → ASH Jun 30, 17:35 UTCJun 30, 18:30 UTC55m
2026-06-30 N33847 - Jun 30, 14:10 UTCJun 30, 15:25 UTC1h 15m
2026-06-30 N33847 ASH → ASH Jun 30, 11:50 UTCJun 30, 12:20 UTC30m
2026-06-29 N33847 - Jun 29, 23:34 UTCJun 30, 00:35 UTC1h 0m
2026-06-29 N33847 ASH → ASH Jun 29, 21:30 UTCJun 29, 22:30 UTC1h 0m
2026-06-29 N33847 ASH → ASH Jun 29, 19:44 UTCJun 29, 20:30 UTC45m
2026-06-29 N33847 ASH → ASH Jun 29, 11:35 UTCJun 29, 12:39 UTC1h 5m
2026-06-28 N33847 - Jun 28, 22:59 UTCJun 28, 23:34 UTC35m
2026-06-27 N33847 - Jun 27, 21:25 UTCJun 27, 22:20 UTC55m
2026-06-25 N33847 - Jun 25, 21:44 UTCJun 25, 22:29 UTC45m
2026-06-25 N33847 - Jun 25, 18:55 UTCJun 25, 19:44 UTC50m
2026-06-25 N33847 - Jun 25, 15:40 UTCJun 25, 16:14 UTC35m
2026-06-25 N33847 - Jun 25, 13:55 UTCJun 25, 14:50 UTC55m
2026-06-25 N33847 ASH → ASH Jun 25, 11:59 UTCJun 25, 12:54 UTC55m
2026-06-24 N33847 ASH → ASH Jun 24, 21:34 UTCJun 24, 22:35 UTC1h 0m
2026-06-24 N33847 - Jun 24, 19:34 UTCJun 24, 20:24 UTC50m
2026-06-24 N33847 ASH → ASH Jun 24, 17:50 UTCJun 24, 18:20 UTC30m
2026-06-24 N33847 - Jun 24, 16:05 UTCJun 24, 16:54 UTC50m
2026-06-24 N33847 ASH → ASH Jun 24, 13:40 UTCJun 24, 14:34 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 N33847 page for operator, model, and routing details .

Mode-S A3B68B frequently asked

What is Mode-S code A3B68B?
A3B68B is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N33847.
Where is Mode-S A3B68B registered?
Mode-S code A3B68B 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 A3B68B broadcasting right now?
No active broadcast right now. Last signal was 13h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A3B68B, octal 50733213, decimal 10,729,099.
What flights does A3B68B operate?
Mode-S A3B68B has broadcast 1 distinct callsign, including N33847.