Apparatus

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sensors Mode-S transponder

A9C50D

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N729AT · HAWKER BEECHCRAFT Hawker 750/850 · operated by N88CA III LLC

Hex
A9C50D
Octal
52342415
Decimal
11,126,029
Country
US
Tail
N729AT
Type
H25B
No current signal · last broadcast 29d ago
Flights observed
123
Distinct callsigns
1
Country
US
Last broadcast
29d ago

Last known position

Most recent position reported by Mode-S A9C50D.

Country allocation

The ICAO 24-bit address A9C50D 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
MVP402 - 123 2026-07-08

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-08 MVP402 - Jul 8, 18:55 UTCJul 8, 20:25 UTC1h 30m
2026-07-08 MVP402 - Jul 8, 15:45 UTCJul 8, 18:15 UTC2h 30m
2026-07-08 MVP402 - Jul 8, 12:45 UTCJul 8, 14:00 UTC1h 15m
2026-07-07 MVP402 - Jul 7, 15:05 UTCJul 7, 17:05 UTC2h 0m
2026-07-06 MVP402 - Jul 6, 18:05 UTCJul 6, 19:40 UTC1h 35m
2026-07-06 MVP402 - Jul 6, 15:05 UTCJul 6, 16:40 UTC1h 35m
2026-07-05 MVP402 - Jul 5, 22:30 UTCJul 6, 00:45 UTC2h 15m
2026-07-05 MVP402 - Jul 5, 16:00 UTCJul 5, 16:10 UTC10m
2026-07-04 MVP402 - Jul 4, 19:10 UTCJul 4, 20:35 UTC1h 25m
2026-07-03 MVP402 - Jul 3, 14:25 UTCJul 3, 16:55 UTC2h 30m
2026-06-25 MVP402 - Jun 25, 00:55 UTCJun 25, 01:35 UTC40m
2026-06-24 MVP402 - Jun 24, 21:00 UTCJun 24, 23:14 UTC2h 15m
2026-06-24 MVP402 - Jun 24, 17:55 UTCJun 24, 19:44 UTC1h 50m
2026-06-24 MVP402 - Jun 24, 14:39 UTCJun 24, 16:50 UTC2h 10m
2026-06-24 MVP402 - Jun 24, 11:34 UTCJun 24, 13:05 UTC1h 30m
2026-06-23 MVP402 - Jun 23, 19:00 UTCJun 23, 19:34 UTC35m
2026-06-23 MVP402 - Jun 23, 11:40 UTCJun 23, 12:15 UTC35m
2026-06-22 MVP402 - Jun 22, 19:49 UTCJun 22, 20:24 UTC35m
2026-06-21 MVP402 - Jun 21, 16:49 UTCJun 21, 18:04 UTC1h 15m
2026-06-21 MVP402 - Jun 21, 15:15 UTCJun 21, 15:54 UTC40m
2026-06-19 MVP402 - Jun 19, 19:25 UTCJun 19, 22:24 UTC3h 0m
2026-06-19 MVP402 - Jun 19, 17:39 UTCJun 19, 18:09 UTC30m
2026-06-19 MVP402 - Jun 19, 01:24 UTCJun 19, 03:24 UTC2h 0m
2026-06-18 MVP402 - Jun 18, 22:45 UTCJun 19, 00:45 UTC1h 59m
2026-06-18 MVP402 - Jun 18, 02:35 UTCJun 18, 04:50 UTC2h 15m
2026-06-17 MVP402 - Jun 17, 23:00 UTCJun 17, 23:40 UTC40m
2026-06-16 MVP402 - Jun 16, 16:15 UTCJun 16, 18:25 UTC2h 10m
2026-06-16 MVP402 - Jun 16, 13:09 UTCJun 16, 14:20 UTC1h 10m
2026-06-15 MVP402 - Jun 15, 23:09 UTCJun 15, 23:45 UTC35m
2026-06-14 MVP402 - Jun 14, 15:20 UTCJun 14, 15:55 UTC35m
2026-06-14 MVP402 - Jun 14, 13:15 UTCJun 14, 14:40 UTC1h 25m
2026-06-13 MVP402 - Jun 13, 23:10 UTCJun 14, 00:40 UTC1h 30m
2026-06-13 MVP402 - Jun 13, 20:25 UTCJun 13, 21:20 UTC55m
2026-06-13 MVP402 - Jun 13, 16:05 UTCJun 13, 18:55 UTC2h 50m
2026-06-12 MVP402 - Jun 12, 22:15 UTCJun 12, 22:40 UTC25m
2026-06-11 MVP402 RST → APF Jun 11, 17:00 UTCJun 11, 20:05 UTC3h 5m
2026-06-11 MVP402 - Jun 11, 13:10 UTCJun 11, 15:40 UTC2h 30m
2026-06-09 MVP402 IAD → BLM Jun 9, 20:30 UTCJun 9, 20:55 UTC25m
2026-06-09 MVP402 - Jun 9, 11:50 UTCJun 9, 12:35 UTC45m
2026-06-06 MVP402 - Jun 6, 22:10 UTCJun 7, 01:15 UTC3h 5m
2026-06-06 MVP402 - Jun 6, 18:39 UTCJun 6, 20:25 UTC1h 45m
2026-06-04 MVP402 - Jun 4, 15:10 UTCJun 4, 15:25 UTC15m
2026-06-04 MVP402 - Jun 4, 13:20 UTCJun 4, 14:40 UTC1h 20m
2026-06-03 MVP402 - Jun 3, 22:15 UTCJun 4, 00:50 UTC2h 35m
2026-06-03 MVP402 - Jun 3, 14:45 UTCJun 3, 16:15 UTC1h 30m
2026-06-03 MVP402 - Jun 3, 01:00 UTCJun 3, 02:15 UTC1h 15m
2026-06-02 MVP402 - Jun 2, 21:55 UTCJun 3, 00:05 UTC2h 10m
2026-06-02 MVP402 - Jun 2, 16:55 UTCJun 2, 17:35 UTC40m
2026-06-01 MVP402 - Jun 1, 20:20 UTCJun 1, 21:00 UTC40m
2026-06-01 MVP402 - Jun 1, 13:15 UTCJun 1, 14:00 UTC45m

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 N729AT page for operator, model, and routing details .

Mode-S A9C50D frequently asked

What is Mode-S code A9C50D?
A9C50D is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N729AT.
Where is Mode-S A9C50D registered?
Mode-S code A9C50D 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 A9C50D broadcasting right now?
No active broadcast right now. Last signal was 29d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A9C50D, octal 52342415, decimal 11,126,029.
What flights does A9C50D operate?
Mode-S A9C50D has broadcast 1 distinct callsign, including MVP402.