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sensors Mode-S transponder

AC04BE

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N87360 · EMBRAER ERJ-170-200 (long wing) · operated by UNITED AIRLINES INC

Hex
AC04BE
Octal
53002276
Decimal
11,273,406
Country
US
Tail
N87360
Type
E75L
No current signal · last broadcast Jul 26, 19:55 UTC
Flights observed
554
Distinct callsigns
20
Country
US
Last broadcast
Jul 26, 19:55 UTC

Last known position

Most recent position reported by Mode-S AC04BE.

Country allocation

The ICAO 24-bit address AC04BE 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 20 distinct

Callsign Airline Flights Last seen
ASH6242 Mesa Airlines 9 2026-07-25
ASH4070 - 9 2026-07-13
ASH6338 - 8 2026-07-10
ASH6327 Mesa Airlines 8 2026-05-19
ASH6294 Mesa Airlines 8 2026-05-13
ASH4055 Mesa Airlines 8 2026-07-26
ASH3985 Mesa Airlines 8 2026-06-11
ASH6288 - 7 2026-06-29
ASH6239 - 7 2026-07-22
ASH4051 Mesa Airlines 7 2026-06-13
ASH3999 Mesa Airlines 7 2026-05-12
ASH6308 - 6 2026-06-13
ASH6145 - 6 2026-06-29
ASH6136 - 6 2026-07-17
ASH6135 - 6 2026-07-16
ASH6131 - 6 2026-07-08
ASH4061 - 6 2026-07-10
ASH4056 - 6 2026-07-21
ASH4039 - 6 2026-07-08
ASH4028 - 6 2026-07-06

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 ASH6265 ICT → IAH Jul 26, 19:10 UTCJul 26, 19:50 UTC40m
2026-07-26 ASH4055 MSP → IAH Jul 26, 17:25 UTCJul 26, 18:15 UTC50m
2026-07-26 ASH4055 MSP → IAH Jul 26, 17:10 UTCJul 26, 18:09 UTC59m
2026-07-26 ASH4044 CLE → IAD Jul 26, 14:10 UTCJul 26, 15:25 UTC1h 15m
2026-07-25 ASH4016 IAH → MAF Jul 25, 23:20 UTCJul 26, 00:40 UTC1h 20m
2026-07-25 ASH6242 IAD → SDF Jul 25, 15:00 UTCJul 25, 15:50 UTC50m
2026-07-25 ASH6116 LGA → IAH Jul 25, 12:44 UTCJul 25, 13:29 UTC45m
2026-07-25 ASH6116 LGA → IAH Jul 25, 12:40 UTCJul 25, 13:25 UTC45m
2026-07-25 ASH3997 IAH → SDF Jul 25, 09:45 UTCJul 25, 10:55 UTC1h 10m
2026-07-25 ASH4021 IAD → LGA Jul 25, 02:45 UTCJul 25, 04:00 UTC1h 15m
2026-07-24 ASH6297 MSY → IAD Jul 24, 23:25 UTCJul 25, 00:30 UTC1h 5m
2026-07-24 ASH6297 MSY → IAD Jul 24, 23:31 UTCJul 25, 00:26 UTC55m
2026-07-24 ASH6211 LGA → IAD Jul 24, 20:10 UTCJul 24, 21:55 UTC1h 45m
2026-07-24 ASH6211 LGA → IAD Jul 24, 20:04 UTCJul 24, 21:53 UTC1h 49m
2026-07-24 ASH6223 PHX → IAH Jul 24, 13:30 UTCJul 24, 15:25 UTC1h 55m
2026-07-24 ASH4021 IAD → LGA Jul 24, 02:25 UTCJul 24, 03:45 UTC1h 20m
2026-07-23 ASH3998 LBB → IAH Jul 23, 23:50 UTCJul 24, 00:45 UTC55m
2026-07-23 ASH6209 IAD → AUS Jul 23, 21:35 UTCJul 23, 22:40 UTC1h 5m
2026-07-23 ASH6265 ICT → IAH Jul 23, 19:05 UTCJul 23, 19:45 UTC40m
2026-07-23 ASH4055 IAD → RDU Jul 23, 17:05 UTCJul 23, 18:05 UTC1h 0m
2026-07-23 ASH4044 CLE → IAD Jul 23, 14:30 UTCJul 23, 15:40 UTC1h 10m
2026-07-22 ASH4016 IAH → MAF Jul 22, 23:13 UTCJul 23, 00:49 UTC1h 36m
2026-07-22 ASH4016 IAH → MAF Jul 22, 23:20 UTCJul 23, 00:40 UTC1h 20m
2026-07-22 ASH6203 - Jul 22, 20:25 UTCJul 22, 21:20 UTC55m
2026-07-22 ASH6239 - Jul 22, 18:10 UTCJul 22, 19:05 UTC55m
2026-07-22 ASH6235 PHL → IAD Jul 22, 15:50 UTCJul 22, 16:30 UTC40m
2026-07-22 ASH4015 IAD → PHL Jul 22, 14:00 UTCJul 22, 14:35 UTC35m
2026-07-22 ASH6265 - Jul 22, 12:05 UTCJul 22, 12:45 UTC40m
2026-07-22 ASH6265 RDU → IAD Jul 22, 12:02 UTCJul 22, 12:44 UTC42m
2026-07-21 ASH4055 IAD → RDU Jul 21, 17:40 UTCJul 21, 18:30 UTC50m
2026-07-21 ASH4056 - Jul 21, 15:20 UTCJul 21, 16:10 UTC50m
2026-07-21 ASH4056 CMH → IAD Jul 21, 15:16 UTCJul 21, 16:10 UTC54m
2026-07-21 ASH4076 - Jul 21, 12:50 UTCJul 21, 13:45 UTC55m
2026-07-21 ASH4076 IAD → CMH Jul 21, 12:46 UTCJul 21, 13:47 UTC1h 1m
2026-07-21 ASH6192 PVD → IAD Jul 21, 10:00 UTCJul 21, 11:10 UTC1h 10m
2026-07-21 ASH6192 PVD → IAD Jul 21, 10:09 UTCJul 21, 11:09 UTC1h 0m
2026-07-21 ASH6142 IAD → PVD Jul 21, 02:48 UTCJul 21, 03:27 UTC39m
2026-07-21 ASH6142 - Jul 21, 02:25 UTCJul 21, 02:30 UTC5m
2026-07-21 ASH6244 LGA → IAD Jul 21, 00:00 UTCJul 21, 00:45 UTC45m
2026-07-20 ASH4077 - Jul 20, 21:55 UTCJul 20, 22:20 UTC25m
2026-07-20 ASH4077 - Jul 20, 21:35 UTCJul 20, 21:50 UTC15m
2026-07-20 ASH4023 - Jul 20, 19:15 UTCJul 20, 20:00 UTC45m
2026-07-20 ASH4023 ORF → IAD Jul 20, 19:13 UTCJul 20, 19:55 UTC42m
2026-07-20 ASH6313 IAD → ORF Jul 20, 17:25 UTCJul 20, 18:03 UTC38m
2026-07-20 ASH6313 IAD → ORF Jul 20, 17:30 UTCJul 20, 18:10 UTC40m
2026-07-20 ASH6242 IAD → SDF Jul 20, 14:55 UTCJul 20, 15:45 UTC50m
2026-07-20 ASH6116 LGA → IAH Jul 20, 12:40 UTCJul 20, 13:22 UTC42m
2026-07-20 ASH6116 LGA → IAH Jul 20, 12:35 UTCJul 20, 13:20 UTC45m
2026-07-20 ASH3997 - Jul 20, 09:55 UTCJul 20, 11:10 UTC1h 15m
2026-07-19 ASH6132 - Jul 19, 21:55 UTCJul 19, 23:45 UTC1h 50m

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 N87360 page for operator, model, and routing details .

Mode-S AC04BE frequently asked

What is Mode-S code AC04BE?
AC04BE is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N87360.
Where is Mode-S AC04BE registered?
Mode-S code AC04BE 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 AC04BE broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 19:55 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AC04BE, octal 53002276, decimal 11,273,406.
What flights does AC04BE operate?
Mode-S AC04BE has broadcast 20 distinct callsigns, including ASH6242, ASH4070, ASH6338, ASH6327, ASH6294.