Apparatus

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sensors Mode-S transponder

A9BD1D

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N72664 · CESSNA 172R Cutlass RG · operated by ADVANCED AVIATION GROUP LLC

Hex
A9BD1D
Octal
52336435
Decimal
11,123,997
Country
US
Tail
N72664
Type
C72R
No current signal · last broadcast 10h ago
Flights observed
53
Distinct callsigns
1
Country
US
Last broadcast
10h ago

Last known position

Most recent position reported by Mode-S A9BD1D.

Country allocation

The ICAO 24-bit address A9BD1D 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
N72664 - 53 2026-07-13

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-13 N72664 - Jul 13, 22:25 UTCJul 13, 23:05 UTC40m
2026-07-13 N72664 - Jul 13, 14:55 UTCJul 13, 15:40 UTC45m
2026-07-13 N72664 - Jul 13, 01:25 UTCJul 13, 03:40 UTC2h 15m
2026-07-12 N72664 - Jul 12, 16:50 UTCJul 12, 17:05 UTC15m
2026-07-11 N72664 - Jul 11, 16:40 UTCJul 11, 17:40 UTC1h 0m
2026-07-11 N72664 - Jul 11, 14:00 UTCJul 11, 15:20 UTC1h 20m
2026-07-11 N72664 - Jul 11, 12:45 UTCJul 11, 13:35 UTC50m
2026-07-10 N72664 MTN → MTN Jul 10, 14:00 UTCJul 10, 15:50 UTC1h 50m
2026-07-08 N72664 - Jul 8, 21:50 UTCJul 8, 22:40 UTC50m
2026-07-08 N72664 MTN → MTN Jul 8, 16:45 UTCJul 8, 17:25 UTC40m
2026-07-05 N72664 - Jul 5, 17:40 UTCJul 5, 18:45 UTC1h 5m
2026-07-02 N72664 - Jul 2, 14:15 UTCJul 2, 15:05 UTC50m
2026-07-02 N72664 - Jul 2, 12:40 UTCJul 2, 13:35 UTC55m
2026-07-01 N72664 - Jul 1, 18:50 UTCJul 1, 20:00 UTC1h 10m
2026-07-01 N72664 MTN → MTN Jul 1, 14:10 UTCJul 1, 14:45 UTC35m
2026-06-30 N72664 MTN → MTN Jun 30, 17:20 UTCJun 30, 17:45 UTC25m
2026-06-30 N72664 - Jun 30, 15:00 UTCJun 30, 15:55 UTC55m
2026-06-30 N72664 - Jun 30, 13:05 UTCJun 30, 13:50 UTC45m
2026-06-29 N72664 - Jun 29, 22:55 UTCJun 29, 23:44 UTC50m
2026-06-29 N72664 MTN → MTN Jun 29, 20:19 UTCJun 29, 21:24 UTC1h 5m
2026-06-29 N72664 - Jun 29, 17:05 UTCJun 29, 17:34 UTC30m
2026-06-29 N72664 MTN → MTN Jun 29, 15:09 UTCJun 29, 15:45 UTC35m
2026-06-25 N72664 - Jun 25, 13:29 UTCJun 25, 13:59 UTC30m
2026-06-24 N72664 - Jun 24, 17:45 UTCJun 24, 18:05 UTC20m
2026-06-24 N72664 - Jun 24, 17:10 UTCJun 24, 17:40 UTC30m
2026-06-24 N72664 - Jun 24, 15:00 UTCJun 24, 15:39 UTC40m
2026-06-24 N72664 - Jun 24, 13:05 UTCJun 24, 13:50 UTC45m
2026-06-20 N72664 MTN → MTN Jun 20, 14:44 UTCJun 20, 15:14 UTC30m
2026-06-19 N72664 - Jun 19, 17:24 UTCJun 19, 18:05 UTC40m
2026-06-19 N72664 MTN → MTN Jun 19, 15:04 UTCJun 19, 16:29 UTC1h 25m
2026-06-19 N72664 - Jun 19, 12:54 UTCJun 19, 13:39 UTC45m
2026-06-17 N72664 MTN → MTN Jun 17, 17:35 UTCJun 17, 18:05 UTC30m
2026-06-17 N72664 MTN → MTN Jun 17, 14:45 UTCJun 17, 16:10 UTC1h 25m
2026-06-16 N72664 - Jun 16, 21:15 UTCJun 16, 21:40 UTC25m
2026-06-16 N72664 - Jun 16, 18:39 UTCJun 16, 19:19 UTC40m
2026-06-16 N72664 - Jun 16, 17:10 UTCJun 16, 18:29 UTC1h 20m
2026-06-16 N72664 - Jun 16, 13:44 UTCJun 16, 14:25 UTC40m
2026-06-13 N72664 MTN → MTN Jun 13, 22:55 UTCJun 13, 23:50 UTC55m
2026-06-13 N72664 - Jun 13, 17:25 UTCJun 13, 19:25 UTC2h 0m
2026-06-12 N72664 - Jun 12, 17:00 UTCJun 12, 17:40 UTC40m
2026-06-11 N72664 - Jun 11, 18:05 UTCJun 11, 18:55 UTC50m
2026-06-10 N72664 MTN → MTN Jun 10, 17:50 UTCJun 10, 18:25 UTC35m
2026-06-07 N72664 - Jun 7, 14:05 UTCJun 7, 17:15 UTC3h 10m
2026-06-05 N72664 MTN → MTN Jun 5, 15:05 UTCJun 5, 16:15 UTC1h 10m
2026-06-05 N72664 MTN → MTN Jun 5, 13:00 UTCJun 5, 13:55 UTC55m
2026-06-04 N72664 - Jun 4, 19:45 UTCJun 4, 20:55 UTC1h 10m
2026-06-04 N72664 - Jun 4, 16:50 UTCJun 4, 17:30 UTC40m
2026-06-04 N72664 MTN → MTN Jun 4, 13:15 UTCJun 4, 14:10 UTC55m
2026-06-03 N72664 - Jun 3, 22:15 UTCJun 3, 22:55 UTC40m
2026-06-03 N72664 MTN → MTN Jun 3, 17:15 UTCJun 3, 18:35 UTC1h 20m

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 N72664 page for operator, model, and routing details .

Mode-S A9BD1D frequently asked

What is Mode-S code A9BD1D?
A9BD1D is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N72664.
Where is Mode-S A9BD1D registered?
Mode-S code A9BD1D 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 A9BD1D broadcasting right now?
No active broadcast right now. Last signal was 10h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A9BD1D, octal 52336435, decimal 11,123,997.
What flights does A9BD1D operate?
Mode-S A9BD1D has broadcast 1 distinct callsign, including N72664.