Apparatus

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sensors Mode-S transponder

A6A0F6

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N526TW · PILATUS PC-12 · operated by TW LEASING LLC

Hex
A6A0F6
Octal
51520366
Decimal
10,920,182
Country
US
Tail
N526TW
Type
PC12
No current signal · last broadcast Jul 26, 21:20 UTC
Flights observed
386
Distinct callsigns
20
Country
US
Last broadcast
Jul 26, 21:20 UTC

Last known position

Most recent position reported by Mode-S A6A0F6.

Country allocation

The ICAO 24-bit address A6A0F6 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 20 distinct

Callsign Airline Flights Last seen
GPD153 Tradewind Aviation 15 2026-07-20
GPD152 - 14 2026-07-20
GPD151 - 14 2026-07-22
GPD123 Tradewind Aviation 13 2026-07-26
GPD124 Tradewind Aviation 12 2026-07-26
GPD121 - 12 2026-07-18
GPD113 Tradewind Aviation 12 2026-07-25
GPD526 - 11 2026-07-14
GPD122 Tradewind Aviation 11 2026-07-26
GPD112 - 11 2026-07-25
GPD111 Tradewind Aviation 11 2026-07-26
GPD155 Tradewind Aviation 10 2026-07-22
GPD150 Tradewind Aviation 10 2026-07-22
GPD173 - 9 2026-07-18
GPD171 - 9 2026-07-11
GPD125 Tradewind Aviation 9 2026-07-26
GPD116 Tradewind Aviation 8 2026-07-25
GPD115 Tradewind Aviation 8 2026-07-25
GPD174 - 7 2026-07-08
GPD154 - 7 2026-07-20

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 GPD126 SJU → SBH Jul 26, 21:00 UTCJul 26, 21:20 UTC20m
2026-07-26 GPD125 SBH → SJU Jul 26, 19:50 UTCJul 26, 20:00 UTC10m
2026-07-26 GPD124 SJU → SBH Jul 26, 17:50 UTCJul 26, 18:15 UTC25m
2026-07-26 GPD123 SBH → SJU Jul 26, 15:50 UTCJul 26, 16:10 UTC20m
2026-07-26 GPD122 SJU → SBH Jul 26, 14:00 UTCJul 26, 14:20 UTC20m
2026-07-26 GPD111 SBH → SJU Jul 26, 12:45 UTCJul 26, 13:05 UTC20m
2026-07-25 GPD116 SJU → SBH Jul 25, 21:00 UTCJul 25, 21:25 UTC25m
2026-07-25 GPD115 SBH → SJU Jul 25, 19:55 UTCJul 25, 20:15 UTC20m
2026-07-25 GPD114 SJU → SBH Jul 25, 18:00 UTCJul 25, 18:20 UTC20m
2026-07-25 GPD113 SBH → SJU Jul 25, 16:05 UTCJul 25, 16:30 UTC25m
2026-07-25 GPD112 - Jul 25, 14:00 UTCJul 25, 14:25 UTC25m
2026-07-25 GPD111 - Jul 25, 12:45 UTCJul 25, 13:00 UTC15m
2026-07-24 GPD116 SJU → SBH Jul 24, 20:50 UTCJul 24, 21:10 UTC20m
2026-07-24 GPD115 SBH → SJU Jul 24, 19:45 UTCJul 24, 20:05 UTC20m
2026-07-24 GPD015 - Jul 24, 16:30 UTCJul 24, 16:55 UTC25m
2026-07-24 GPD4994 - Jul 24, 15:30 UTCJul 24, 15:45 UTC15m
2026-07-24 GPD212 - Jul 24, 14:20 UTCJul 24, 14:35 UTC15m
2026-07-23 GPD78 VIJ → SJU Jul 23, 22:50 UTCJul 23, 23:00 UTC10m
2026-07-23 GPD009 - Jul 23, 21:20 UTCJul 23, 21:30 UTC10m
2026-07-23 GPD125 - Jul 23, 20:05 UTCJul 23, 20:25 UTC20m
2026-07-23 GPD124 - Jul 23, 18:00 UTCJul 23, 18:25 UTC25m
2026-07-23 GPD123 - Jul 23, 15:55 UTCJul 23, 16:10 UTC15m
2026-07-23 GPD122 - Jul 23, 13:55 UTCJul 23, 14:20 UTC25m
2026-07-22 GPD155 SBH → SJU Jul 22, 22:35 UTCJul 22, 22:55 UTC20m
2026-07-22 GPD724 SBH → SJU Jul 22, 20:40 UTCJul 22, 21:05 UTC25m
2026-07-22 GPD905 VIJ → SJU Jul 22, 19:40 UTCJul 22, 19:55 UTC15m
2026-07-22 GPD904 SJU → VIJ Jul 22, 18:20 UTCJul 22, 18:35 UTC15m
2026-07-22 GPD903 - Jul 22, 17:05 UTCJul 22, 17:20 UTC15m
2026-07-22 GPD902 SJU → VIJ Jul 22, 15:55 UTCJul 22, 16:10 UTC15m
2026-07-22 GPD151 - Jul 22, 14:15 UTCJul 22, 14:35 UTC20m
2026-07-22 GPD150 SJU → SBH Jul 22, 12:15 UTCJul 22, 12:40 UTC25m
2026-07-21 GPD165 SBH → SJU Jul 21, 21:10 UTCJul 21, 21:35 UTC25m
2026-07-21 GPD108 - Jul 21, 19:20 UTCJul 21, 19:45 UTC25m
2026-07-21 GPD903 - Jul 21, 17:35 UTCJul 21, 17:45 UTC10m
2026-07-21 GPD902 SJU → VIJ Jul 21, 16:15 UTCJul 21, 16:25 UTC10m
2026-07-20 GPD155 SBH → SJU Jul 20, 21:20 UTCJul 20, 21:45 UTC25m
2026-07-20 GPD154 - Jul 20, 19:15 UTCJul 20, 19:45 UTC30m
2026-07-20 GPD153 SBH → SJU Jul 20, 18:00 UTCJul 20, 18:15 UTC15m
2026-07-20 GPD152 - Jul 20, 15:55 UTCJul 20, 16:20 UTC25m
2026-07-20 GPD151 - Jul 20, 14:10 UTCJul 20, 14:25 UTC15m
2026-07-20 GPD150 SJU → SBH Jul 20, 12:05 UTCJul 20, 12:30 UTC25m
2026-07-19 GPD155 - Jul 19, 21:45 UTCJul 19, 22:00 UTC15m
2026-07-19 GPD407 SJU → SBH Jul 19, 19:45 UTCJul 19, 20:15 UTC30m
2026-07-19 GPD153 SBH → SJU Jul 19, 18:00 UTCJul 19, 18:25 UTC25m
2026-07-19 GPD152 - Jul 19, 15:50 UTCJul 19, 16:10 UTC20m
2026-07-19 GPD151 - Jul 19, 14:20 UTCJul 19, 14:40 UTC20m
2026-07-19 GPD150 SJU → SBH Jul 19, 12:05 UTCJul 19, 12:35 UTC30m
2026-07-18 GPD512 SJU → SBH Jul 18, 22:00 UTCJul 18, 22:20 UTC20m
2026-07-18 GPD116 - Jul 18, 20:30 UTCJul 18, 20:55 UTC25m
2026-07-18 GPD173 - Jul 18, 19:20 UTCJul 18, 19:35 UTC15m

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 N526TW page for operator, model, and routing details .

Mode-S A6A0F6 frequently asked

What is Mode-S code A6A0F6?
A6A0F6 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N526TW.
Where is Mode-S A6A0F6 registered?
Mode-S code A6A0F6 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 A6A0F6 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 21:20 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A6A0F6, octal 51520366, decimal 10,920,182.
What flights does A6A0F6 operate?
Mode-S A6A0F6 has broadcast 20 distinct callsigns, including GPD153, GPD152, GPD151, GPD123, GPD124.