sensors Mode-S transponder

0D099C

ICAO 24-bit transponder address · allocated to Mexico

Currently assigned to XA-CSS · EMBRAER EMB-505 Phenom 300

Hex
0D099C
Octal
03204634
Decimal
854,428
Country
MX
Tail
XA-CSS
Type
E55P
No current signal · last broadcast 17d ago
Flights observed
37
Distinct callsigns
8
Country
MX
Last broadcast
17d ago

Last known position

Most recent position reported by Mode-S 0D099C.

Country allocation

The ICAO 24-bit address 0D099C falls within the block assigned to Mexico (MX) by ICAO Annex 10, Volume III. Every aircraft registered in Mexico 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 8 distinct

Callsign Airline Flights Last seen
ACW2530 - 14 2026-07-25
ACW2531 - 9 2026-07-25
ACW1530 - 5 2026-07-17
ACW1531 - 3 2026-07-04
ACW2532 - 2 2026-07-04
ACW1532 - 2 2026-07-02
ACW2533 - 1 2026-06-26
ACW1533 - 1 2026-06-30

Recent flights last 37

DateFlightRouteTakeoffLandingDuration
2026-07-25 ACW2531 - Jul 25, 18:45 UTCJul 25, 19:25 UTC40m
2026-07-25 ACW2530 - Jul 25, 16:45 UTCJul 25, 17:30 UTC45m
2026-07-24 ACW2530 - Jul 24, 15:40 UTCJul 24, 17:35 UTC1h 55m
2026-07-23 ACW2531 - Jul 23, 21:45 UTCJul 24, 01:15 UTC3h 30m
2026-07-21 ACW2530 - Jul 21, 23:00 UTCJul 22, 01:45 UTC2h 45m
2026-07-20 ACW2530 - Jul 20, 19:45 UTCJul 20, 23:10 UTC3h 25m
2026-07-19 ACW2531 - Jul 19, 00:50 UTCJul 19, 01:40 UTC50m
2026-07-18 ACW2530 - Jul 18, 21:15 UTCJul 18, 22:00 UTC45m
2026-07-17 ACW1530 - Jul 17, 15:05 UTCJul 17, 15:20 UTC15m
2026-07-12 ACW2531 - Jul 12, 18:01 UTCJul 12, 20:10 UTC2h 10m
2026-07-12 ACW2530 BTV → MSY Jul 12, 14:10 UTCJul 12, 17:25 UTC3h 15m
2026-07-11 ACW2530 - Jul 11, 00:00 UTCJul 11, 03:15 UTC3h 15m
2026-07-10 ACW2531 - Jul 10, 19:40 UTCJul 10, 22:35 UTC2h 55m
2026-07-10 ACW2530 - Jul 10, 12:45 UTCJul 10, 15:00 UTC2h 15m
2026-07-09 ACW2530 - Jul 9, 17:20 UTCJul 9, 20:30 UTC3h 10m
2026-07-06 ACW2531 - Jul 6, 21:15 UTCJul 6, 22:20 UTC1h 5m
2026-07-06 ACW2531 - Jul 6, 19:20 UTCJul 6, 21:10 UTC1h 50m
2026-07-06 ACW2530 - Jul 6, 17:20 UTCJul 6, 17:45 UTC25m
2026-07-06 ACW2530 - Jul 6, 15:30 UTCJul 6, 16:50 UTC1h 20m
2026-07-05 ACW2530 - Jul 5, 14:40 UTCJul 5, 16:25 UTC1h 45m
2026-07-04 ACW2532 - Jul 4, 20:15 UTCJul 5, 00:30 UTC4h 15m
2026-07-04 ACW1531 - Jul 4, 18:55 UTCJul 4, 19:20 UTC25m
2026-07-04 ACW1530 - Jul 4, 17:05 UTCJul 4, 17:20 UTC15m
2026-07-03 ACW1530 - Jul 3, 20:20 UTCJul 3, 20:50 UTC30m
2026-07-02 ACW1532 - Jul 2, 00:35 UTCJul 2, 01:50 UTC1h 15m
2026-06-30 ACW2531 - Jun 30, 16:10 UTCJun 30, 17:30 UTC1h 20m
2026-06-30 ACW2530 - Jun 30, 12:40 UTCJun 30, 14:45 UTC2h 5m
2026-06-30 ACW1533 - Jun 30, 05:25 UTCJun 30, 05:50 UTC25m
2026-06-30 ACW1532 - Jun 30, 03:15 UTCJun 30, 04:35 UTC1h 20m
2026-06-29 ACW2531 - Jun 29, 20:24 UTCJun 29, 22:24 UTC2h 0m
2026-06-29 ACW2530 - Jun 29, 15:45 UTCJun 29, 16:55 UTC1h 10m
2026-06-28 ACW1531 - Jun 28, 20:09 UTCJun 28, 20:39 UTC30m
2026-06-27 ACW1530 - Jun 27, 15:19 UTCJun 27, 20:24 UTC5h 5m
2026-06-26 ACW2533 - Jun 26, 01:54 UTCJun 26, 03:15 UTC1h 20m
2026-06-25 ACW2532 - Jun 25, 22:29 UTCJun 26, 00:35 UTC2h 5m
2026-06-24 ACW1531 - Jun 24, 19:44 UTCJun 24, 19:59 UTC15m
2026-06-24 ACW1530 - Jun 24, 18:15 UTCJun 24, 18:25 UTC10m

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 XA-CSS page for operator, model, and routing details .

Mode-S 0D099C frequently asked

What is Mode-S code 0D099C?
0D099C is an ICAO 24-bit transponder address. Allocated to Mexico. Assigned to XA-CSS.
Where is Mode-S 0D099C registered?
Mode-S code 0D099C is allocated to Mexico (MX). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 0D099C broadcasting right now?
No active broadcast right now. Last signal was 17d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 0D099C, octal 03204634, decimal 854,428.
What flights does 0D099C operate?
Mode-S 0D099C has broadcast 8 distinct callsigns, including ACW2530, ACW2531, ACW1530, ACW1531, ACW2532.