Apparatus

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sensors Mode-S transponder

A7F2DA

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N611EA · CESSNA 172 Skyhawk · operated by ENDEAVOUR FLIGHT TRAINING INC

Hex
A7F2DA
Octal
51771332
Decimal
11,006,682
Country
US
Tail
N611EA
Type
C172
No current signal · last broadcast 18d ago
Flights observed
107
Distinct callsigns
1
Country
US
Last broadcast
18d ago

Last known position

Most recent position reported by Mode-S A7F2DA.

Country allocation

The ICAO 24-bit address A7F2DA 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
N611EA - 107 2026-07-26

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 N611EA OPF → OPF Jul 26, 18:50 UTCJul 26, 19:55 UTC1h 5m
2026-07-26 N611EA - Jul 26, 15:35 UTCJul 26, 16:35 UTC1h 0m
2026-07-25 N611EA OPF → OPF Jul 25, 01:45 UTCJul 25, 01:55 UTC10m
2026-07-24 N611EA - Jul 24, 15:20 UTCJul 24, 15:50 UTC30m
2026-07-23 N611EA - Jul 23, 21:45 UTCJul 23, 22:30 UTC45m
2026-07-14 N611EA - Jul 14, 13:55 UTCJul 14, 14:45 UTC50m
2026-07-14 N611EA - Jul 14, 12:00 UTCJul 14, 12:50 UTC50m
2026-07-13 N611EA - Jul 13, 18:00 UTCJul 13, 18:55 UTC55m
2026-07-13 N611EA - Jul 13, 12:35 UTCJul 13, 13:40 UTC1h 5m
2026-07-11 N611EA OPF → OPF Jul 11, 16:05 UTCJul 11, 17:00 UTC55m
2026-07-10 N611EA - Jul 10, 18:10 UTCJul 10, 18:35 UTC25m
2026-07-10 N611EA - Jul 10, 11:50 UTCJul 10, 12:50 UTC1h 0m
2026-07-09 N611EA - Jul 9, 16:40 UTCJul 9, 17:45 UTC1h 5m
2026-07-09 N611EA - Jul 9, 12:40 UTCJul 9, 13:40 UTC1h 0m
2026-07-08 N611EA - Jul 8, 15:05 UTCJul 8, 15:55 UTC50m
2026-07-08 N611EA - Jul 8, 13:00 UTCJul 8, 13:45 UTC45m
2026-07-06 N611EA - Jul 6, 12:55 UTCJul 6, 13:45 UTC50m
2026-07-04 N611EA OPF → OPF Jul 4, 14:15 UTCJul 4, 15:15 UTC1h 0m
2026-07-03 N611EA - Jul 3, 14:55 UTCJul 3, 15:15 UTC20m
2026-07-03 N611EA - Jul 3, 13:00 UTCJul 3, 14:00 UTC1h 0m
2026-06-29 N611EA OPF → OPF Jun 29, 16:15 UTCJun 29, 17:59 UTC1h 45m
2026-06-29 N611EA - Jun 29, 13:44 UTCJun 29, 14:29 UTC45m
2026-06-27 N611EA OPF → OPF Jun 27, 18:09 UTCJun 27, 18:54 UTC45m
2026-06-25 N611EA - Jun 25, 22:45 UTCJun 25, 23:39 UTC55m
2026-06-25 N611EA - Jun 25, 13:50 UTCJun 25, 14:55 UTC1h 5m
2026-06-24 N611EA - Jun 24, 12:54 UTCJun 24, 13:50 UTC55m
2026-06-23 N611EA - Jun 23, 14:39 UTCJun 23, 16:05 UTC1h 25m
2026-06-23 N611EA OPF → OPF Jun 23, 01:00 UTCJun 23, 01:50 UTC50m
2026-06-22 N611EA - Jun 22, 22:54 UTCJun 22, 23:50 UTC55m
2026-06-22 N611EA - Jun 22, 13:54 UTCJun 22, 14:45 UTC50m
2026-06-20 N611EA - Jun 20, 18:59 UTCJun 20, 19:49 UTC50m
2026-06-20 N611EA - Jun 20, 17:04 UTCJun 20, 17:39 UTC35m
2026-06-20 N611EA - Jun 20, 13:59 UTCJun 20, 14:39 UTC40m
2026-06-20 N611EA - Jun 20, 01:05 UTCJun 20, 01:34 UTC30m
2026-06-19 N611EA - Jun 19, 17:55 UTCJun 19, 19:09 UTC1h 15m
2026-06-19 N611EA OPF → FMY Jun 19, 15:09 UTCJun 19, 16:29 UTC1h 20m
2026-06-18 N611EA - Jun 18, 19:50 UTCJun 18, 20:25 UTC35m
2026-06-18 N611EA OPF → OPF Jun 18, 15:45 UTCJun 18, 16:30 UTC45m
2026-06-18 N611EA - Jun 18, 11:30 UTCJun 18, 12:00 UTC30m
2026-06-17 N611EA - Jun 17, 17:00 UTCJun 17, 18:20 UTC1h 20m
2026-06-17 N611EA - Jun 17, 15:25 UTCJun 17, 15:50 UTC25m
2026-06-17 N611EA - Jun 17, 13:55 UTCJun 17, 14:45 UTC50m
2026-06-16 N611EA - Jun 16, 18:55 UTCJun 16, 19:50 UTC56m
2026-06-16 N611EA - Jun 16, 14:39 UTCJun 16, 16:00 UTC1h 20m
2026-06-13 N611EA - Jun 13, 12:40 UTCJun 13, 13:40 UTC1h 0m
2026-06-11 N611EA - Jun 11, 13:55 UTCJun 11, 14:40 UTC45m
2026-06-11 N611EA - Jun 11, 11:45 UTCJun 11, 12:40 UTC55m
2026-06-09 N611EA - Jun 9, 14:55 UTCJun 9, 15:25 UTC30m
2026-06-09 N611EA - Jun 9, 12:00 UTCJun 9, 12:55 UTC55m
2026-06-07 N611EA - Jun 7, 15:15 UTCJun 7, 16:30 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 N611EA page for operator, model, and routing details .

Mode-S A7F2DA frequently asked

What is Mode-S code A7F2DA?
A7F2DA is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N611EA.
Where is Mode-S A7F2DA registered?
Mode-S code A7F2DA 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 A7F2DA broadcasting right now?
No active broadcast right now. Last signal was 18d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A7F2DA, octal 51771332, decimal 11,006,682.
What flights does A7F2DA operate?
Mode-S A7F2DA has broadcast 1 distinct callsign, including N611EA.