Apparatus

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sensors Mode-S transponder

A24BAF

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N247TF · operated by PIPER AIRCRAFT INC

Hex
A24BAF
Octal
50445657
Decimal
10,636,207
Country
US
Tail
N247TF
Type
PA44
No current signal · last broadcast 3h ago
Flights observed
103
Distinct callsigns
1
Country
US
Last broadcast
3h ago

Last known position

Most recent position reported by Mode-S A24BAF.

Country allocation

The ICAO 24-bit address A24BAF 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
TRF70 - 103 2026-06-20

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-06-20 TRF70 - Jun 20, 19:40 UTCJun 20, 20:49 UTC1h 10m
2026-06-20 TRF70 - Jun 20, 16:24 UTCJun 20, 18:10 UTC1h 45m
2026-06-18 TRF70 - Jun 18, 22:50 UTCJun 18, 23:50 UTC1h 0m
2026-06-18 TRF70 - Jun 18, 21:55 UTCJun 18, 22:10 UTC15m
2026-06-18 TRF70 - Jun 18, 19:20 UTCJun 18, 20:30 UTC1h 10m
2026-06-18 TRF70 ADS → ADS Jun 18, 16:10 UTCJun 18, 17:30 UTC1h 20m
2026-06-18 TRF70 ADS → ADS Jun 18, 13:10 UTCJun 18, 14:25 UTC1h 15m
2026-06-17 TRF70 - Jun 17, 21:55 UTCJun 17, 23:00 UTC1h 5m
2026-06-17 TRF70 - Jun 17, 18:45 UTCJun 17, 20:05 UTC1h 20m
2026-06-17 TRF70 - Jun 17, 16:25 UTCJun 17, 17:40 UTC1h 15m
2026-06-17 TRF70 - Jun 17, 15:20 UTCJun 17, 15:50 UTC30m
2026-06-17 TRF70 - Jun 17, 13:05 UTCJun 17, 14:40 UTC1h 35m
2026-06-17 TRF70 ADS → ADS Jun 17, 10:20 UTCJun 17, 12:25 UTC2h 5m
2026-06-16 TRF70 - Jun 16, 21:35 UTCJun 16, 22:10 UTC35m
2026-06-15 TRF70 - Jun 15, 15:30 UTCJun 15, 17:25 UTC1h 55m
2026-06-14 TRF70 - Jun 14, 02:10 UTCJun 14, 04:05 UTC1h 55m
2026-06-14 TRF70 - Jun 14, 00:15 UTCJun 14, 01:05 UTC50m
2026-06-13 TRF70 - Jun 13, 22:20 UTCJun 13, 23:15 UTC55m
2026-06-13 TRF70 - Jun 13, 20:45 UTCJun 13, 21:30 UTC45m
2026-06-13 TRF70 - Jun 13, 18:20 UTCJun 13, 20:05 UTC1h 45m
2026-06-13 TRF70 PNX → ADS Jun 13, 14:50 UTCJun 13, 17:35 UTC2h 45m
2026-06-13 TRF70 - Jun 13, 13:05 UTCJun 13, 14:05 UTC1h 0m
2026-06-13 TRF70 - Jun 13, 11:15 UTCJun 13, 12:30 UTC1h 15m
2026-06-12 TRF70 - Jun 12, 23:40 UTCJun 13, 01:30 UTC1h 50m
2026-06-12 TRF70 ADS → TRL Jun 12, 21:20 UTCJun 12, 23:00 UTC1h 40m
2026-06-12 TRF70 ADS → ADS Jun 12, 15:30 UTCJun 12, 16:10 UTC40m
2026-06-11 TRF70 - Jun 11, 21:40 UTCJun 11, 23:00 UTC1h 20m
2026-06-11 TRF70 - Jun 11, 18:35 UTCJun 11, 19:25 UTC50m
2026-06-11 TRF70 - Jun 11, 16:40 UTCJun 11, 17:50 UTC1h 10m
2026-06-11 TRF70 - Jun 11, 13:30 UTCJun 11, 14:55 UTC1h 25m
2026-06-10 TRF70 - Jun 10, 22:20 UTCJun 11, 00:40 UTC2h 20m
2026-06-10 TRF70 - Jun 10, 20:25 UTCJun 10, 21:25 UTC1h 0m
2026-06-10 TRF70 - Jun 10, 18:35 UTCJun 10, 19:40 UTC1h 5m
2026-06-10 TRF70 - Jun 10, 16:25 UTCJun 10, 17:50 UTC1h 25m
2026-06-10 TRF70 ADS → ADS Jun 10, 11:30 UTCJun 10, 14:40 UTC3h 10m
2026-06-09 TRF70 - Jun 9, 21:20 UTCJun 9, 22:40 UTC1h 20m
2026-06-09 TRF70 - Jun 9, 17:05 UTCJun 9, 18:30 UTC1h 25m
2026-06-09 TRF70 ADS → ADS Jun 9, 14:10 UTCJun 9, 15:15 UTC1h 5m
2026-06-09 TRF70 - Jun 9, 12:45 UTCJun 9, 13:10 UTC25m
2026-06-09 TRF70 - Jun 9, 09:25 UTCJun 9, 12:10 UTC2h 45m
2026-06-09 TRF70 - Jun 9, 01:35 UTCJun 9, 03:35 UTC2h 0m
2026-06-09 TRF70 - Jun 9, 00:05 UTCJun 9, 01:00 UTC55m
2026-06-08 TRF70 - Jun 8, 22:15 UTCJun 8, 23:00 UTC45m
2026-06-08 TRF70 - Jun 8, 19:25 UTCJun 8, 21:25 UTC2h 0m
2026-06-08 TRF70 ADS → ADS Jun 8, 17:35 UTCJun 8, 18:40 UTC1h 5m
2026-06-08 TRF70 - Jun 8, 02:30 UTCJun 8, 04:20 UTC1h 50m
2026-06-07 TRF70 - Jun 7, 23:45 UTCJun 8, 00:45 UTC1h 0m
2026-06-06 TRF70 ADS → ADS Jun 6, 17:24 UTCJun 6, 18:29 UTC1h 5m
2026-05-24 TRF70 - May 24, 12:50 UTCMay 24, 14:00 UTC1h 10m
2026-05-24 TRF70 - May 24, 10:15 UTCMay 24, 12:15 UTC2h 0m

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 N247TF page for operator, model, and routing details .

Mode-S A24BAF frequently asked

What is Mode-S code A24BAF?
A24BAF is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N247TF.
Where is Mode-S A24BAF registered?
Mode-S code A24BAF 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 A24BAF 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 A24BAF, octal 50445657, decimal 10,636,207.
What flights does A24BAF operate?
Mode-S A24BAF has broadcast 1 distinct callsign, including TRF70.