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sensors Mode-S transponder

A7D6AA

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N604FT · operated by FLORIDA INSTITUTE OF TECHNOLOGY

Hex
A7D6AA
Octal
51753252
Decimal
10,999,466
Country
US
Tail
N604FT
Type
P28A
No current signal · last broadcast 27d ago
Flights observed
186
Distinct callsigns
1
Country
US
Last broadcast
27d ago

Last known position

Most recent position reported by Mode-S A7D6AA.

Country allocation

The ICAO 24-bit address A7D6AA 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
TCF604 - 186 2026-07-26

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 TCF604 - Jul 26, 12:45 UTCJul 26, 14:10 UTC1h 25m
2026-07-24 TCF604 - Jul 24, 13:50 UTCJul 24, 15:15 UTC1h 25m
2026-07-23 TCF604 - Jul 23, 13:55 UTCJul 23, 14:55 UTC1h 0m
2026-07-23 TCF604 - Jul 23, 11:25 UTCJul 23, 12:25 UTC1h 0m
2026-07-22 TCF604 - Jul 22, 13:25 UTCJul 22, 14:55 UTC1h 30m
2026-07-21 TCF604 - Jul 21, 13:35 UTCJul 21, 14:40 UTC1h 5m
2026-07-20 TCF604 - Jul 20, 11:40 UTCJul 20, 12:30 UTC50m
2026-07-18 TCF604 - Jul 18, 14:50 UTCJul 18, 16:00 UTC1h 10m
2026-07-17 TCF604 - Jul 17, 13:15 UTCJul 17, 14:30 UTC1h 15m
2026-07-16 TCF604 - Jul 16, 15:00 UTCJul 16, 18:00 UTC3h 0m
2026-07-16 TCF604 - Jul 16, 12:40 UTCJul 16, 13:15 UTC35m
2026-07-16 TCF604 - Jul 16, 00:50 UTCJul 16, 02:25 UTC1h 35m
2026-07-15 TCF604 - Jul 15, 13:35 UTCJul 15, 15:00 UTC1h 25m
2026-07-14 TCF604 - Jul 14, 13:40 UTCJul 14, 15:10 UTC1h 30m
2026-07-13 TCF604 - Jul 13, 17:10 UTCJul 13, 18:15 UTC1h 5m
2026-07-13 TCF604 - Jul 13, 13:20 UTCJul 13, 14:30 UTC1h 10m
2026-07-11 TCF604 - Jul 11, 15:05 UTCJul 11, 16:15 UTC1h 10m
2026-07-10 TCF604 - Jul 10, 14:30 UTCJul 10, 16:15 UTC1h 45m
2026-07-10 TCF604 - Jul 10, 12:15 UTCJul 10, 13:30 UTC1h 15m
2026-07-09 TCF604 - Jul 9, 15:55 UTCJul 9, 17:10 UTC1h 15m
2026-07-08 TCF604 - Jul 8, 13:25 UTCJul 8, 14:10 UTC45m
2026-07-08 TCF604 - Jul 8, 10:55 UTCJul 8, 11:55 UTC1h 0m
2026-07-07 TCF604 - Jul 7, 14:55 UTCJul 7, 16:15 UTC1h 20m
2026-07-07 TCF604 - Jul 7, 12:25 UTCJul 7, 13:45 UTC1h 20m
2026-07-06 TCF604 - Jul 6, 17:30 UTCJul 6, 17:45 UTC15m
2026-07-06 TCF604 - Jul 6, 14:50 UTCJul 6, 16:05 UTC1h 15m
2026-07-03 TCF604 MLB → MLB Jul 3, 12:50 UTCJul 3, 14:35 UTC1h 45m
2026-07-02 TCF604 - Jul 2, 14:50 UTCJul 2, 16:25 UTC1h 35m
2026-07-02 TCF604 MLB → MLB Jul 2, 12:20 UTCJul 2, 13:30 UTC1h 10m
2026-07-01 TCF604 - Jul 1, 13:25 UTCJul 1, 14:40 UTC1h 15m
2026-06-30 TCF604 MLB → MLB Jun 30, 17:35 UTCJun 30, 18:15 UTC40m
2026-06-30 TCF604 MLB → MLB Jun 30, 15:15 UTCJun 30, 16:15 UTC1h 0m
2026-06-30 TCF604 - Jun 30, 12:15 UTCJun 30, 13:55 UTC1h 40m
2026-06-29 TCF604 - Jun 29, 16:59 UTCJun 29, 18:14 UTC1h 15m
2026-06-29 TCF604 - Jun 29, 14:50 UTCJun 29, 16:15 UTC1h 25m
2026-06-29 TCF604 - Jun 29, 11:50 UTCJun 29, 13:09 UTC1h 20m
2026-06-28 TCF604 - Jun 28, 12:35 UTCJun 28, 13:55 UTC1h 20m
2026-06-27 TCF604 - Jun 27, 11:39 UTCJun 27, 14:00 UTC2h 20m
2026-06-26 TCF604 - Jun 26, 12:00 UTCJun 26, 13:30 UTC1h 30m
2026-06-25 TCF604 MLB → MLB Jun 25, 17:44 UTCJun 25, 19:05 UTC1h 20m
2026-06-25 TCF604 - Jun 25, 15:34 UTCJun 25, 16:50 UTC1h 15m
2026-06-25 TCF604 - Jun 25, 13:00 UTCJun 25, 14:34 UTC1h 35m
2026-06-25 TCF604 - Jun 25, 10:50 UTCJun 25, 11:59 UTC1h 10m
2026-06-24 TCF604 MLB → MLB Jun 24, 18:05 UTCJun 24, 18:15 UTC10m
2026-06-24 TCF604 - Jun 24, 15:09 UTCJun 24, 16:45 UTC1h 35m
2026-06-23 TCF604 - Jun 23, 20:59 UTCJun 23, 22:10 UTC1h 10m
2026-06-23 TCF604 - Jun 23, 19:00 UTCJun 23, 19:59 UTC1h 0m
2026-06-23 TCF604 MLB → MLB Jun 23, 15:34 UTCJun 23, 17:20 UTC1h 45m
2026-06-23 TCF604 - Jun 23, 13:09 UTCJun 23, 14:35 UTC1h 25m
2026-06-22 TCF604 - Jun 22, 19:24 UTCJun 22, 20:39 UTC1h 15m

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 N604FT page for operator, model, and routing details .

Mode-S A7D6AA frequently asked

What is Mode-S code A7D6AA?
A7D6AA is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N604FT.
Where is Mode-S A7D6AA registered?
Mode-S code A7D6AA 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 A7D6AA broadcasting right now?
No active broadcast right now. Last signal was 27d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A7D6AA, octal 51753252, decimal 10,999,466.
What flights does A7D6AA operate?
Mode-S A7D6AA has broadcast 1 distinct callsign, including TCF604.