Apparatus

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sensors Mode-S transponder

A1C4D8

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N213BZ · operated by BANK OF UTAH TRUSTEE

Hex
A1C4D8
Octal
50342330
Decimal
10,601,688
Country
US
Tail
N213BZ
Type
BCS3
Broadcasting now · callsign MXY585 · 20,575 ft
Flights observed
423
Distinct callsigns
20
Country
US
Last broadcast
Jul 26, 21:10 UTC

Current position

A1C4D8 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address A1C4D8 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
MXY745 Breeze Airways 13 2026-06-09
MXY744 Breeze Airways 11 2026-06-08
MXY653 Breeze Airways 9 2026-07-20
MXY652 Breeze Airways 9 2026-07-20
MXY509 Breeze Airways 9 2026-07-26
MXY508 Breeze Airways 9 2026-07-26
MXY541 - 8 2026-07-07
MXY540 Breeze Airways 8 2026-07-07
MXY500 Breeze Airways 7 2026-07-26
MXY651 Breeze Airways 6 2026-07-21
MXY650 Breeze Airways 6 2026-07-20
MXY543 Breeze Airways 6 2026-06-03
MXY542 Breeze Airways 6 2026-06-02
MXY399 Breeze Airways 6 2026-07-01
MXY398 Breeze Airways 6 2026-06-30
MXY559 - 5 2026-07-05
MXY558 - 5 2026-07-04
MXY2854 Breeze Airways 5 2026-05-10
MXY940 Breeze Airways 4 2026-04-23
MXY881 Breeze Airways 4 2026-06-08

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 MXY500 BDL → CHS Jul 26, 19:50 UTCJul 26, 21:10 UTC1h 20m
2026-07-26 MXY500 BDL → CHS Jul 26, 16:40 UTCJul 26, 18:35 UTC1h 55m
2026-07-26 MXY509 ORF → BDL Jul 26, 14:15 UTCJul 26, 15:15 UTC1h 0m
2026-07-26 MXY508 ORF → CMH Jul 26, 12:05 UTCJul 26, 13:10 UTC1h 5m
2026-07-24 MXY2065 - Jul 24, 15:15 UTCJul 24, 16:50 UTC1h 35m
2026-07-24 MXY2064 BDL → SDF Jul 24, 11:45 UTCJul 24, 13:40 UTC1h 55m
2026-07-24 MXY525 ILM → BDL Jul 24, 02:30 UTCJul 24, 03:50 UTC1h 20m
2026-07-24 MXY525 ILM → BDL Jul 24, 00:15 UTCJul 24, 01:20 UTC1h 5m
2026-07-23 MXY524 ILM → MCO Jul 23, 22:05 UTCJul 23, 23:10 UTC1h 5m
2026-07-23 MXY524 ILM → MCO Jul 23, 18:20 UTCJul 23, 20:40 UTC2h 20m
2026-07-23 MXY537 RSW → BDL Jul 23, 14:20 UTCJul 23, 16:55 UTC2h 35m
2026-07-23 MXY536 BDL → RSW Jul 23, 10:20 UTCJul 23, 13:15 UTC2h 55m
2026-07-23 MXY509 ORF → BDL Jul 23, 03:40 UTCJul 23, 04:35 UTC55m
2026-07-22 MXY509 ORF → BDL Jul 22, 21:50 UTCJul 23, 02:20 UTC4h 30m
2026-07-22 MXY508 ORF → CMH Jul 22, 15:20 UTCJul 22, 20:25 UTC5h 5m
2026-07-22 MXY508 ORF → CMH Jul 22, 11:50 UTCJul 22, 13:10 UTC1h 20m
2026-07-22 MXY9726 MSY → ISP Jul 22, 01:30 UTCJul 22, 02:25 UTC55m
2026-07-21 MXY607 MCO → PVU Jul 21, 20:00 UTCJul 22, 00:05 UTC4h 5m
2026-07-21 MXY606 PVU → MCO Jul 21, 14:30 UTCJul 21, 18:30 UTC4h 0m
2026-07-21 MXY651 SBN → IAD Jul 21, 02:25 UTCJul 21, 03:45 UTC1h 20m
2026-07-20 MXY650 IAD → SBN Jul 20, 23:55 UTCJul 21, 01:20 UTC1h 25m
2026-07-20 MXY616 SNA → PVU Jul 20, 21:25 UTCJul 20, 22:50 UTC1h 25m
2026-07-20 MXY617 PVU → SNA Jul 20, 18:50 UTCJul 20, 20:10 UTC1h 20m
2026-07-20 MXY603 PVU → SFO Jul 20, 16:20 UTCJul 20, 17:45 UTC1h 25m
2026-07-20 MXY602 - Jul 20, 13:35 UTCJul 20, 14:55 UTC1h 20m
2026-07-20 MXY653 LAS → PVU Jul 20, 02:40 UTCJul 20, 03:35 UTC55m
2026-07-20 MXY652 PVU → LAS Jul 20, 00:50 UTCJul 20, 01:40 UTC50m
2026-07-19 MXY603 PVU → SFO Jul 19, 22:15 UTCJul 19, 23:45 UTC1h 30m
2026-07-19 MXY615 OGD → SNA Jul 19, 19:35 UTCJul 19, 21:05 UTC1h 30m
2026-07-19 MXY614 - Jul 19, 16:55 UTCJul 19, 18:25 UTC1h 30m
2026-07-19 MXY602 PVU → SNA Jul 19, 14:00 UTCJul 19, 15:20 UTC1h 20m
2026-07-19 MXY2313 SFO → PVU Jul 19, 03:15 UTCJul 19, 04:35 UTC1h 20m
2026-07-19 MXY2312 PVU → SFO Jul 19, 00:10 UTCJul 19, 01:35 UTC1h 25m
2026-07-18 MXY653 LAS → PVU Jul 18, 22:10 UTCJul 18, 23:05 UTC55m
2026-07-18 MXY653 LAS → PVU Jul 18, 19:25 UTCJul 18, 21:05 UTC1h 40m
2026-07-18 MXY652 PVU → LAS Jul 18, 16:40 UTCJul 18, 17:55 UTC1h 15m
2026-07-18 MXY652 PVU → LAS Jul 18, 14:40 UTCJul 18, 15:35 UTC55m
2026-07-18 MXY651 BUR → PVU Jul 18, 02:19 UTCJul 18, 03:40 UTC1h 21m
2026-07-17 MXY650 IAD → SBN Jul 17, 23:39 UTCJul 18, 01:10 UTC1h 30m
2026-07-17 MXY616 SNA → PVU Jul 17, 21:15 UTCJul 17, 22:40 UTC1h 25m
2026-07-17 MXY617 - Jul 17, 18:44 UTCJul 17, 20:10 UTC1h 25m
2026-07-17 MXY603 PVU → SFO Jul 17, 16:24 UTCJul 17, 17:44 UTC1h 20m
2026-07-17 MXY602 - Jul 17, 13:20 UTCJul 17, 14:44 UTC1h 25m
2026-07-17 MXY601 SBD → SFO Jul 17, 02:50 UTCJul 17, 04:10 UTC1h 20m
2026-07-17 MXY601 SBD → SFO Jul 17, 00:50 UTCJul 17, 01:49 UTC1h 0m
2026-07-16 MXY600 PVU → SFO Jul 16, 22:40 UTCJul 16, 23:40 UTC1h 0m
2026-07-16 MXY600 PVU → SFO Jul 16, 20:05 UTCJul 16, 21:35 UTC1h 30m
2026-07-16 MXY621 - Jul 16, 16:30 UTCJul 16, 17:40 UTC1h 10m
2026-07-16 MXY620 PVU → PHX Jul 16, 14:10 UTCJul 16, 15:19 UTC1h 10m
2026-07-15 MXY653 - Jul 15, 22:10 UTCJul 15, 23:00 UTC50m

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 N213BZ page for operator, model, and routing details .

Mode-S A1C4D8 frequently asked

What is Mode-S code A1C4D8?
A1C4D8 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N213BZ.
Where is Mode-S A1C4D8 registered?
Mode-S code A1C4D8 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 A1C4D8 broadcasting right now?
Yes. Mode-S A1C4D8 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A1C4D8, octal 50342330, decimal 10,601,688.
What flights does A1C4D8 operate?
Mode-S A1C4D8 has broadcast 20 distinct callsigns, including MXY745, MXY744, MXY653, MXY652, MXY509.