Apparatus

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sensors Mode-S transponder

A06CD9

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N12633 · CESSNA 305/341 Bird Dog · operated by EAST MORICHES AERIAL ADVERTISING LTD

Hex
A06CD9
Octal
50066331
Decimal
10,513,625
Country
US
Tail
N12633
Type
O1
No current signal · last broadcast 10d ago
Flights observed
63
Distinct callsigns
1
Country
US
Last broadcast
10d ago

Last known position

Most recent position reported by Mode-S A06CD9.

Country allocation

The ICAO 24-bit address A06CD9 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
N12633 - 63 2026-07-26

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 N12633 WSH → WSH Jul 26, 17:45 UTCJul 26, 20:50 UTC3h 5m
2026-07-26 N12633 WSH → WSH Jul 26, 14:00 UTCJul 26, 17:05 UTC3h 5m
2026-07-25 N12633 - Jul 25, 16:35 UTCJul 25, 20:55 UTC4h 20m
2026-07-25 N12633 - Jul 25, 13:55 UTCJul 25, 15:55 UTC2h 0m
2026-07-24 N12633 WSH → WSH Jul 24, 15:50 UTCJul 24, 17:20 UTC1h 30m
2026-07-19 N12633 - Jul 19, 20:35 UTCJul 19, 21:00 UTC25m
2026-07-19 N12633 - Jul 19, 16:25 UTCJul 19, 17:50 UTC1h 25m
2026-07-19 N12633 - Jul 19, 14:00 UTCJul 19, 15:50 UTC1h 50m
2026-07-18 N12633 - Jul 18, 16:35 UTCJul 18, 17:25 UTC50m
2026-07-18 N12633 - Jul 18, 13:55 UTCJul 18, 15:35 UTC1h 40m
2026-07-17 N12633 - Jul 17, 19:30 UTCJul 17, 19:55 UTC25m
2026-07-17 N12633 - Jul 17, 16:00 UTCJul 17, 16:29 UTC30m
2026-07-16 N12633 WSH → WSH Jul 16, 21:19 UTCJul 17, 00:10 UTC2h 50m
2026-07-15 N12633 - Jul 15, 19:25 UTCJul 15, 19:55 UTC30m
2026-07-15 N12633 - Jul 15, 16:10 UTCJul 15, 16:40 UTC30m
2026-07-14 N12633 WSH → WSH Jul 14, 21:15 UTCJul 15, 00:20 UTC3h 4m
2026-07-14 N12633 - Jul 14, 19:35 UTCJul 14, 20:20 UTC45m
2026-07-14 N12633 - Jul 14, 14:35 UTCJul 14, 15:35 UTC1h 0m
2026-07-12 N12633 - Jul 12, 21:40 UTCJul 12, 23:05 UTC1h 25m
2026-07-12 N12633 - Jul 12, 13:50 UTCJul 12, 20:01 UTC6h 10m
2026-07-11 N12633 WSH → WSH Jul 11, 23:00 UTCJul 12, 00:20 UTC1h 20m
2026-07-11 N12633 WSH → WSH Jul 11, 20:45 UTCJul 11, 22:10 UTC1h 25m
2026-07-11 N12633 - Jul 11, 19:40 UTCJul 11, 20:00 UTC20m
2026-07-11 N12633 - Jul 11, 14:15 UTCJul 11, 18:40 UTC4h 25m
2026-07-08 N12633 WSH → WSH Jul 8, 22:40 UTCJul 9, 00:20 UTC1h 40m
2026-07-08 N12633 WSH → WSH Jul 8, 12:05 UTCJul 8, 15:20 UTC3h 15m
2026-07-05 N12633 - Jul 5, 16:20 UTCJul 5, 21:40 UTC5h 20m
2026-07-05 N12633 - Jul 5, 13:35 UTCJul 5, 14:50 UTC1h 15m
2026-07-04 N12633 - Jul 4, 14:45 UTCJul 4, 23:40 UTC8h 55m
2026-07-04 N12633 - Jul 4, 13:10 UTCJul 4, 13:55 UTC45m
2026-07-02 N12633 WSH → WSH Jul 2, 21:15 UTCJul 3, 00:10 UTC2h 55m
2026-07-02 N12633 - Jul 2, 17:15 UTCJul 2, 17:40 UTC25m
2026-07-02 N12633 - Jul 2, 15:55 UTCJul 2, 16:15 UTC20m
2026-06-28 N12633 - Jun 28, 15:14 UTCJun 28, 20:54 UTC5h 40m
2026-06-28 N12633 - Jun 28, 13:45 UTCJun 28, 14:14 UTC30m
2026-06-27 N12633 WSH → WSH Jun 27, 16:04 UTCJun 27, 18:54 UTC2h 50m
2026-06-26 N12633 WSH → WSH Jun 26, 21:30 UTCJun 26, 22:05 UTC35m
2026-06-24 N12633 WSH → WSH Jun 24, 21:34 UTCJun 25, 00:19 UTC2h 45m
2026-06-21 N12633 WSH → WSH Jun 21, 19:45 UTCJun 21, 22:49 UTC3h 5m
2026-06-21 N12633 WSH → WSH Jun 21, 16:04 UTCJun 21, 19:05 UTC3h 0m
2026-06-21 N12633 WSH → WSH Jun 21, 12:24 UTCJun 21, 15:30 UTC3h 5m
2026-06-19 N12633 WSH → WSH Jun 19, 17:44 UTCJun 19, 20:55 UTC3h 10m
2026-06-19 N12633 WSH → WSH Jun 19, 13:54 UTCJun 19, 17:09 UTC3h 15m
2026-06-15 N12633 - Jun 15, 15:19 UTCJun 15, 18:29 UTC3h 10m
2026-06-13 N12633 WSH → WSH Jun 13, 21:05 UTCJun 13, 22:15 UTC1h 10m
2026-06-13 N12633 - Jun 13, 16:00 UTCJun 13, 18:20 UTC2h 20m
2026-06-13 N12633 - Jun 13, 14:20 UTCJun 13, 14:45 UTC25m
2026-06-12 N12633 WSH → WSH Jun 12, 17:55 UTCJun 12, 21:05 UTC3h 10m
2026-06-10 N12633 WSH → WSH Jun 10, 12:55 UTCJun 10, 15:25 UTC2h 30m
2026-06-07 N12633 WSH → WSH Jun 7, 14:35 UTCJun 7, 17:45 UTC3h 10m

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 N12633 page for operator, model, and routing details .

Mode-S A06CD9 frequently asked

What is Mode-S code A06CD9?
A06CD9 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N12633.
Where is Mode-S A06CD9 registered?
Mode-S code A06CD9 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 A06CD9 broadcasting right now?
No active broadcast right now. Last signal was 10d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A06CD9, octal 50066331, decimal 10,513,625.
What flights does A06CD9 operate?
Mode-S A06CD9 has broadcast 1 distinct callsign, including N12633.