sensors Mode-S transponder

A2101F

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N232BZ · AIRBUS A220-300 · operated by BANK OF UTAH TRUSTEE

Hex
A2101F
Octal
50410037
Decimal
10,620,959
Country
US
Tail
N232BZ
Type
BCS3
Broadcasting now · callsign MXY141 · 36,000 ft
Flights observed
282
Distinct callsigns
20
Country
US
Last broadcast
2h ago

Current position

A2101F is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address A2101F 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
MXY399 Breeze Airways 12 2026-06-08
MXY398 Breeze Airways 12 2026-06-07
MXY1069 Breeze Airways 10 2026-06-12
MXY1068 Breeze Airways 10 2026-06-12
MXY541 - 8 2026-06-23
MXY540 Breeze Airways 8 2026-06-22
MXY519 - 6 2026-06-29
MXY518 - 6 2026-06-28
MXY377 Breeze Airways 6 2026-06-13
MXY376 - 6 2026-06-12
MXY375 Breeze Airways 6 2026-06-12
MXY374 Breeze Airways 6 2026-06-11
MXY1703 Breeze Airways 6 2026-06-09
MXY1702 Breeze Airways 6 2026-06-08
MXY1253 - 6 2026-07-14
MXY1252 - 6 2026-07-13
MXY1020 - 6 2026-07-13
MXY1019 - 6 2026-07-13
MXY1016 - 6 2026-07-11
MXY380 Breeze Airways 5 2026-06-13

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 MXY140 - Jul 14, 12:55 UTCJul 14, 14:50 UTC1h 55m
2026-07-14 MXY140 - Jul 14, 11:20 UTCJul 14, 12:00 UTC40m
2026-07-14 MXY1253 - Jul 14, 02:30 UTCJul 14, 03:35 UTC1h 5m
2026-07-14 MXY1253 - Jul 14, 00:00 UTCJul 14, 01:30 UTC1h 30m
2026-07-13 MXY1252 - Jul 13, 21:10 UTCJul 13, 22:45 UTC1h 35m
2026-07-13 MXY1252 - Jul 13, 19:10 UTCJul 13, 20:10 UTC1h 0m
2026-07-13 MXY1020 - Jul 13, 16:00 UTCJul 13, 17:30 UTC1h 30m
2026-07-13 MXY1020 - Jul 13, 14:15 UTCJul 13, 15:10 UTC55m
2026-07-13 MXY1020 - Jul 13, 11:15 UTCJul 13, 13:05 UTC1h 50m
2026-07-13 MXY1019 - Jul 13, 01:01 UTCJul 13, 02:15 UTC1h 15m
2026-07-12 MXY1019 - Jul 12, 22:45 UTCJul 13, 00:01 UTC1h 15m
2026-07-12 MXY1019 - Jul 12, 20:20 UTCJul 12, 21:20 UTC1h 0m
2026-07-12 MXY105 TPA → FLL Jul 12, 18:15 UTCJul 12, 18:55 UTC40m
2026-07-12 MXY105 - Jul 12, 15:15 UTCJul 12, 17:20 UTC2h 5m
2026-07-12 MXY104 - Jul 12, 12:25 UTCJul 12, 14:10 UTC1h 45m
2026-07-12 MXY104 - Jul 12, 10:40 UTCJul 12, 11:25 UTC45m
2026-07-12 MXY0400 - Jul 12, 02:50 UTCJul 12, 03:45 UTC55m
2026-07-12 MXY0400 ORF → JAX Jul 12, 00:01 UTCJul 12, 01:20 UTC1h 20m
2026-07-11 MXY0401 - Jul 11, 21:25 UTCJul 11, 22:45 UTC1h 20m
2026-07-11 MXY0401 - Jul 11, 19:10 UTCJul 11, 20:10 UTC1h 0m
2026-07-11 MXY1016 SAV → FLL Jul 11, 16:20 UTCJul 11, 17:35 UTC1h 15m
2026-07-11 MXY1016 - Jul 11, 14:00 UTCJul 11, 15:25 UTC1h 25m
2026-07-11 MXY1016 - Jul 11, 11:20 UTCJul 11, 12:55 UTC1h 35m
2026-07-11 MXY1021 - Jul 11, 01:35 UTCJul 11, 03:15 UTC1h 40m
2026-07-10 MXY1021 GSP → CVG Jul 10, 23:35 UTCJul 11, 00:35 UTC1h 0m
2026-07-10 MXY1021 - Jul 10, 21:00 UTCJul 10, 22:35 UTC1h 35m
2026-07-10 MXY117 - Jul 10, 18:20 UTCJul 10, 19:20 UTC1h 0m
2026-07-10 MXY117 - Jul 10, 15:25 UTCJul 10, 17:05 UTC1h 40m
2026-07-10 MXY116 - Jul 10, 12:30 UTCJul 10, 14:10 UTC1h 40m
2026-07-10 MXY116 - Jul 10, 10:45 UTCJul 10, 11:30 UTC45m
2026-07-10 MXY1621 TPA → FLL Jul 10, 03:00 UTCJul 10, 03:40 UTC40m
2026-07-09 MXY1621 XNA → TPA Jul 9, 23:55 UTCJul 10, 02:00 UTC2h 5m
2026-07-09 MXY110 TPA → XNA Jul 9, 20:40 UTCJul 9, 22:45 UTC2h 5m
2026-07-09 MXY110 - Jul 9, 18:50 UTCJul 9, 19:30 UTC40m
2026-07-09 MXY1018 - Jul 9, 16:15 UTCJul 9, 17:30 UTC1h 15m
2026-07-09 MXY1018 - Jul 9, 13:45 UTCJul 9, 14:55 UTC1h 10m
2026-07-09 MXY1018 - Jul 9, 11:05 UTCJul 9, 12:30 UTC1h 25m
2026-07-09 MXY1017 - Jul 9, 01:00 UTCJul 9, 02:25 UTC1h 25m
2026-07-08 MXY1017 SAV → CMH Jul 8, 22:40 UTCJul 8, 23:55 UTC1h 15m
2026-07-08 MXY1017 - Jul 8, 20:35 UTCJul 8, 21:45 UTC1h 10m
2026-07-08 MXY613 - Jul 8, 17:50 UTCJul 8, 19:15 UTC1h 25m
2026-07-08 MXY2887 MCO → PNS Jul 8, 15:45 UTCJul 8, 16:55 UTC1h 10m
2026-07-08 MXY2886 - Jul 8, 13:30 UTCJul 8, 14:35 UTC1h 5m
2026-07-08 MXY612 - Jul 8, 11:15 UTCJul 8, 12:30 UTC1h 15m
2026-07-07 MXY2558 - Jul 7, 23:00 UTCJul 8, 00:15 UTC1h 15m
2026-07-07 MXY2558 - Jul 7, 19:25 UTCJul 7, 19:40 UTC15m
2026-07-07 MXY2558 - Jul 7, 17:30 UTCJul 7, 18:50 UTC1h 20m
2026-07-07 MXY2559 - Jul 7, 15:00 UTCJul 7, 16:20 UTC1h 20m
2026-07-07 MXY2559 - Jul 7, 12:15 UTCJul 7, 13:30 UTC1h 15m
2026-07-07 MXY1253 - Jul 7, 06:25 UTCJul 7, 07:20 UTC55m

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 N232BZ page for operator, model, and routing details .

Mode-S A2101F frequently asked

What is Mode-S code A2101F?
A2101F is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N232BZ.
Where is Mode-S A2101F registered?
Mode-S code A2101F 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 A2101F broadcasting right now?
Yes. Mode-S A2101F is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A2101F, octal 50410037, decimal 10,620,959.
What flights does A2101F operate?
Mode-S A2101F has broadcast 20 distinct callsigns, including MXY399, MXY398, MXY1069, MXY1068, MXY541.