Apparatus

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sensors Mode-S transponder

A740EC

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N567AA · operated by JON BOYD

Hex
A740EC
Octal
51640354
Decimal
10,961,132
Country
US
Tail
N567AA
No current signal · last broadcast 20h ago
Flights observed
244
Distinct callsigns
1
Country
US
Last broadcast
20h ago

Last known position

Most recent position reported by Mode-S A740EC.

Country allocation

The ICAO 24-bit address A740EC 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
N567AA - 244 2026-07-13

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-13 N567AA - Jul 13, 16:40 UTCJul 13, 16:55 UTC15m
2026-07-13 N567AA - Jul 13, 15:50 UTCJul 13, 16:05 UTC15m
2026-07-12 N567AA - Jul 12, 13:40 UTCJul 12, 14:55 UTC1h 15m
2026-07-11 N567AA - Jul 11, 17:55 UTCJul 11, 19:05 UTC1h 10m
2026-07-11 N567AA - Jul 11, 12:55 UTCJul 11, 17:05 UTC4h 10m
2026-07-10 N567AA - Jul 10, 17:45 UTCJul 10, 19:00 UTC1h 15m
2026-07-10 N567AA - Jul 10, 15:45 UTCJul 10, 16:50 UTC1h 5m
2026-07-10 N567AA - Jul 10, 13:50 UTCJul 10, 14:45 UTC55m
2026-07-10 N567AA ISM → ISM Jul 10, 12:05 UTCJul 10, 12:55 UTC50m
2026-07-09 N567AA - Jul 9, 18:10 UTCJul 9, 20:55 UTC2h 45m
2026-07-09 N567AA - Jul 9, 12:20 UTCJul 9, 15:15 UTC2h 55m
2026-07-08 N567AA ISM → ISM Jul 8, 18:00 UTCJul 8, 19:25 UTC1h 25m
2026-07-08 N567AA - Jul 8, 12:10 UTCJul 8, 14:55 UTC2h 45m
2026-07-07 N567AA ISM → ISM Jul 7, 16:25 UTCJul 7, 17:25 UTC1h 0m
2026-07-07 N567AA - Jul 7, 11:40 UTCJul 7, 12:55 UTC1h 15m
2026-07-06 N567AA - Jul 6, 15:40 UTCJul 6, 16:55 UTC1h 15m
2026-07-04 N567AA - Jul 4, 12:20 UTCJul 4, 15:15 UTC2h 55m
2026-07-04 N567AA ISM → ISM Jul 4, 01:05 UTCJul 4, 02:50 UTC1h 45m
2026-07-03 N567AA - Jul 3, 15:40 UTCJul 3, 17:00 UTC1h 20m
2026-07-03 N567AA - Jul 3, 11:50 UTCJul 3, 13:00 UTC1h 10m
2026-07-03 N567AA - Jul 3, 01:30 UTCJul 3, 04:35 UTC3h 5m
2026-07-02 N567AA - Jul 2, 18:30 UTCJul 2, 19:15 UTC45m
2026-07-02 N567AA - Jul 2, 16:20 UTCJul 2, 17:15 UTC55m
2026-07-02 N567AA - Jul 2, 13:35 UTCJul 2, 14:50 UTC1h 15m
2026-07-02 N567AA - Jul 2, 11:35 UTCJul 2, 12:50 UTC1h 15m
2026-07-01 N567AA - Jul 1, 18:05 UTCJul 1, 19:00 UTC55m
2026-07-01 N567AA - Jul 1, 16:00 UTCJul 1, 17:05 UTC1h 5m
2026-07-01 N567AA - Jul 1, 14:25 UTCJul 1, 14:45 UTC20m
2026-07-01 N567AA - Jul 1, 12:05 UTCJul 1, 13:00 UTC55m
2026-06-30 N567AA - Jun 30, 17:15 UTCJun 30, 17:30 UTC15m
2026-06-30 N567AA ISM → ISM Jun 30, 14:50 UTCJun 30, 15:25 UTC35m
2026-06-30 N567AA - Jun 30, 11:55 UTCJun 30, 12:50 UTC55m
2026-06-26 N567AA - Jun 26, 11:49 UTCJun 26, 12:50 UTC1h 0m
2026-06-25 N567AA - Jun 25, 15:54 UTCJun 25, 16:45 UTC50m
2026-06-25 N567AA - Jun 25, 11:54 UTCJun 25, 12:44 UTC50m
2026-06-24 N567AA - Jun 24, 11:39 UTCJun 24, 15:14 UTC3h 35m
2026-06-24 N567AA ISM → ISM Jun 24, 00:09 UTCJun 24, 02:24 UTC2h 15m
2026-06-23 N567AA ISM → ISM Jun 23, 18:10 UTCJun 23, 19:34 UTC1h 25m
2026-06-23 N567AA - Jun 23, 15:55 UTCJun 23, 16:35 UTC40m
2026-06-23 N567AA - Jun 23, 13:45 UTCJun 23, 14:35 UTC50m
2026-06-22 N567AA ISM → ISM Jun 22, 21:40 UTCJun 22, 22:34 UTC55m
2026-06-22 N567AA - Jun 22, 18:44 UTCJun 22, 20:10 UTC1h 25m
2026-06-22 N567AA ISM → ISM Jun 22, 12:59 UTCJun 22, 14:49 UTC1h 50m
2026-06-20 N567AA ISM → ISM Jun 20, 01:29 UTCJun 20, 01:55 UTC25m
2026-06-19 N567AA - Jun 19, 12:44 UTCJun 19, 12:59 UTC15m
2026-06-19 N567AA - Jun 19, 11:34 UTCJun 19, 12:39 UTC1h 5m
2026-06-18 N567AA - Jun 18, 15:45 UTCJun 18, 16:55 UTC1h 10m
2026-06-18 N567AA ISM → ISM Jun 18, 11:45 UTCJun 18, 12:20 UTC35m
2026-06-18 N567AA ISM → ISM Jun 18, 01:30 UTCJun 18, 01:50 UTC20m
2026-06-17 N567AA ISM → ISM Jun 17, 18:35 UTCJun 17, 20:20 UTC1h 45m

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 N567AA page for operator, model, and routing details .

Mode-S A740EC frequently asked

What is Mode-S code A740EC?
A740EC is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N567AA.
Where is Mode-S A740EC registered?
Mode-S code A740EC 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 A740EC broadcasting right now?
No active broadcast right now. Last signal was 20h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A740EC, octal 51640354, decimal 10,961,132.
What flights does A740EC operate?
Mode-S A740EC has broadcast 1 distinct callsign, including N567AA.