Apparatus

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sensors Mode-S transponder

A6AFD2

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N53TW · TECNAM P-2006T · operated by TECNAM US INC

Hex
A6AFD2
Octal
51527722
Decimal
10,923,986
Country
US
Tail
N53TW
Type
P06T
No current signal · last broadcast 8h ago
Flights observed
155
Distinct callsigns
1
Country
US
Last broadcast
8h ago

Last known position

Most recent position reported by Mode-S A6AFD2.

Country allocation

The ICAO 24-bit address A6AFD2 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
N53TW - 155 2026-06-27

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-06-27 N53TW - Jun 27, 13:49 UTCJun 27, 14:39 UTC50m
2026-06-26 N53TW - Jun 26, 20:29 UTCJun 26, 21:50 UTC1h 20m
2026-06-26 N53TW - Jun 26, 14:59 UTCJun 26, 15:39 UTC40m
2026-06-25 N53TW - Jun 25, 19:20 UTCJun 25, 20:30 UTC1h 10m
2026-06-23 N53TW - Jun 23, 20:49 UTCJun 23, 21:59 UTC1h 10m
2026-06-23 N53TW - Jun 23, 18:50 UTCJun 23, 19:44 UTC55m
2026-06-23 N53TW - Jun 23, 14:04 UTCJun 23, 15:09 UTC1h 5m
2026-06-23 N53TW VNC → VNC Jun 23, 11:45 UTCJun 23, 12:45 UTC1h 0m
2026-06-22 N53TW - Jun 22, 13:49 UTCJun 22, 14:40 UTC50m
2026-06-19 N53TW - Jun 19, 15:54 UTCJun 19, 16:34 UTC40m
2026-06-19 N53TW - Jun 19, 11:34 UTCJun 19, 12:29 UTC55m
2026-06-18 N53TW - Jun 18, 23:30 UTCJun 19, 02:14 UTC2h 44m
2026-06-17 N53TW - Jun 17, 21:50 UTCJun 17, 23:00 UTC1h 10m
2026-06-17 N53TW VNC → VNC Jun 17, 18:05 UTCJun 17, 18:56 UTC50m
2026-06-17 N53TW - Jun 17, 16:25 UTCJun 17, 17:20 UTC55m
2026-06-17 N53TW - Jun 17, 14:05 UTCJun 17, 14:40 UTC35m
2026-06-17 N53TW VNC → VNC Jun 17, 00:35 UTCJun 17, 02:20 UTC1h 45m
2026-06-16 N53TW - Jun 16, 22:20 UTCJun 16, 23:45 UTC1h 25m
2026-06-16 N53TW - Jun 16, 17:00 UTCJun 16, 17:45 UTC45m
2026-06-16 N53TW - Jun 16, 14:39 UTCJun 16, 14:50 UTC10m
2026-06-16 N53TW - Jun 16, 12:45 UTCJun 16, 13:25 UTC40m
2026-06-15 N53TW - Jun 15, 18:20 UTCJun 15, 19:14 UTC55m
2026-06-15 N53TW - Jun 15, 16:40 UTCJun 15, 17:30 UTC50m
2026-06-15 N53TW - Jun 15, 14:55 UTCJun 15, 15:45 UTC50m
2026-06-12 N53TW - Jun 12, 17:10 UTCJun 12, 18:01 UTC50m
2026-06-12 N53TW - Jun 12, 11:15 UTCJun 12, 12:00 UTC45m
2026-06-12 N53TW - Jun 12, 00:40 UTCJun 12, 03:30 UTC2h 50m
2026-06-11 N53TW - Jun 11, 23:00 UTCJun 11, 23:45 UTC45m
2026-06-11 N53TW - Jun 11, 20:15 UTCJun 11, 21:00 UTC45m
2026-06-11 N53TW - Jun 11, 14:15 UTCJun 11, 15:40 UTC1h 25m
2026-06-11 N53TW - Jun 11, 03:05 UTCJun 11, 04:25 UTC1h 20m
2026-06-11 N53TW - Jun 11, 00:40 UTCJun 11, 01:55 UTC1h 15m
2026-06-10 N53TW - Jun 10, 22:50 UTCJun 10, 23:50 UTC1h 0m
2026-06-10 N53TW - Jun 10, 17:05 UTCJun 10, 18:15 UTC1h 10m
2026-06-10 N53TW - Jun 10, 15:30 UTCJun 10, 16:10 UTC40m
2026-06-09 N53TW - Jun 9, 22:05 UTCJun 9, 23:15 UTC1h 10m
2026-06-09 N53TW - Jun 9, 17:30 UTCJun 9, 20:25 UTC2h 55m
2026-06-09 N53TW - Jun 9, 15:35 UTCJun 9, 15:50 UTC15m
2026-06-09 N53TW - Jun 9, 13:40 UTCJun 9, 14:40 UTC1h 0m
2026-06-09 N53TW - Jun 9, 11:45 UTCJun 9, 12:50 UTC1h 5m
2026-06-08 N53TW - Jun 8, 20:30 UTCJun 8, 21:15 UTC45m
2026-06-08 N53TW - Jun 8, 15:10 UTCJun 8, 15:55 UTC45m
2026-06-08 N53TW - Jun 8, 13:25 UTCJun 8, 14:15 UTC50m
2026-06-07 N53TW - Jun 7, 22:30 UTCJun 7, 23:20 UTC50m
2026-06-07 N53TW - Jun 7, 12:25 UTCJun 7, 13:15 UTC50m
2026-06-06 N53TW - Jun 6, 22:34 UTCJun 6, 23:35 UTC1h 0m
2026-06-06 N53TW - Jun 6, 14:59 UTCJun 6, 15:54 UTC55m
2026-06-05 N53TW - Jun 5, 22:50 UTCJun 5, 23:50 UTC1h 0m
2026-06-05 N53TW VNC → VNC Jun 5, 19:35 UTCJun 5, 20:20 UTC45m
2026-06-05 N53TW VNC → VNC Jun 5, 16:30 UTCJun 5, 17:15 UTC45m

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 N53TW page for operator, model, and routing details .

Mode-S A6AFD2 frequently asked

What is Mode-S code A6AFD2?
A6AFD2 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N53TW.
Where is Mode-S A6AFD2 registered?
Mode-S code A6AFD2 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 A6AFD2 broadcasting right now?
No active broadcast right now. Last signal was 8h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A6AFD2, octal 51527722, decimal 10,923,986.
What flights does A6AFD2 operate?
Mode-S A6AFD2 has broadcast 1 distinct callsign, including N53TW.