sensors Mode-S transponder

A37AB5

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N323NV · AIRBUS A-319 · operated by SUNRISE ASSET MANAGEMENT LLC

Hex
A37AB5
Octal
50675265
Decimal
10,713,781
Country
US
Tail
N323NV
Type
A319
No current signal · last broadcast 3d ago
Flights observed
197
Distinct callsigns
20
Country
US
Last broadcast
3d ago

Last known position

Most recent position reported by Mode-S A37AB5.

Country allocation

The ICAO 24-bit address A37AB5 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
AAY281 Allegiant Air 13 2026-06-05
AAY276 Allegiant Air 8 2026-06-05
AAY274 Allegiant Air 8 2026-06-02
AAY271 Allegiant Air 8 2026-06-01
AAY272 Allegiant Air 7 2026-06-05
AAY3391 Allegiant Air 5 2026-05-17
AAY3390 Allegiant Air 5 2026-05-17
AAY286 - 5 2026-07-02
AAY284 Allegiant Air 5 2026-06-08
AAY282 - 5 2026-07-02
AAY72 - 4 2026-07-09
AAY42 - 4 2026-07-07
AAY303 Allegiant Air 4 2026-06-05
AAY293 Allegiant Air 4 2026-06-04
AAY283 Allegiant Air 4 2026-06-04
AAY277 Allegiant Air 4 2026-05-15
AAY273 - 4 2026-07-03
AAY304 Allegiant Air 3 2026-05-16
AAY301 Allegiant Air 3 2026-06-05
AAY297 Allegiant Air 3 2026-05-31

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-10 AAY7 - Jul 10, 16:10 UTCJul 10, 17:50 UTC1h 40m
2026-07-10 AAY6 - Jul 10, 13:25 UTCJul 10, 15:05 UTC1h 40m
2026-07-10 AAY49 - Jul 10, 04:25 UTCJul 10, 06:40 UTC2h 15m
2026-07-10 AAY47 LAS → ICT Jul 10, 01:20 UTCJul 10, 03:20 UTC2h 0m
2026-07-09 AAY88 - Jul 9, 23:00 UTCJul 9, 23:55 UTC55m
2026-07-09 AAY87 LAS → SCK Jul 9, 21:00 UTCJul 9, 22:00 UTC1h 0m
2026-07-09 AAY72 OKC → LAS Jul 9, 17:25 UTCJul 9, 19:30 UTC2h 5m
2026-07-09 AAY134 LAS → OKC Jul 9, 14:20 UTCJul 9, 16:25 UTC2h 5m
2026-07-07 AAY44 - Jul 7, 04:05 UTCJul 7, 06:05 UTC2h 0m
2026-07-07 AAY42 - Jul 7, 01:00 UTCJul 7, 02:50 UTC1h 50m
2026-07-06 AAY1634 - Jul 6, 22:45 UTCJul 6, 23:35 UTC50m
2026-07-06 AAY27 - Jul 6, 20:35 UTCJul 6, 21:20 UTC45m
2026-07-06 AAY36 - Jul 6, 16:40 UTCJul 6, 18:55 UTC2h 15m
2026-07-06 AAY03 - Jul 6, 13:20 UTCJul 6, 15:35 UTC2h 15m
2026-07-06 AAY49 - Jul 6, 03:50 UTCJul 6, 06:00 UTC2h 10m
2026-07-06 AAY47 LAS → ICT Jul 6, 00:30 UTCJul 6, 02:35 UTC2h 5m
2026-07-05 AAY84 - Jul 5, 22:25 UTCJul 5, 23:20 UTC55m
2026-07-05 AAY87 LAS → SCK Jul 5, 20:10 UTCJul 5, 21:05 UTC55m
2026-07-05 AAY72 - Jul 5, 16:50 UTCJul 5, 19:00 UTC2h 10m
2026-07-05 AAY66 LAS → OKC Jul 5, 13:35 UTCJul 5, 15:45 UTC2h 10m
2026-07-04 AAY71 - Jul 4, 05:10 UTCJul 4, 06:10 UTC1h 0m
2026-07-04 AAY69 - Jul 4, 03:00 UTCJul 4, 04:00 UTC1h 0m
2026-07-03 AAY90 - Jul 3, 23:20 UTCJul 4, 01:50 UTC2h 30m
2026-07-03 AAY89 LAS → TUL Jul 3, 19:35 UTCJul 3, 21:45 UTC2h 10m
2026-07-03 AAY1701 LAS → LAS Jul 3, 13:20 UTCJul 3, 18:00 UTC4h 40m
2026-07-03 AAY273 SMX → LAS Jul 3, 00:20 UTCJul 3, 01:15 UTC55m
2026-07-02 AAY282 LAS → SMX Jul 2, 22:10 UTCJul 2, 23:05 UTC55m
2026-07-02 AAT271 - Jul 2, 18:50 UTCJul 2, 20:55 UTC2h 5m
2026-07-02 AAY286 LAS → BLI Jul 2, 15:25 UTCJul 2, 17:45 UTC2h 20m
2026-06-29 AAY7 - Jun 29, 16:39 UTCJun 29, 18:25 UTC1h 45m
2026-06-29 AAY6 - Jun 29, 14:04 UTCJun 29, 15:39 UTC1h 35m
2026-06-29 AAY59 MFR → LAS Jun 29, 04:30 UTCJun 29, 05:50 UTC1h 20m
2026-06-29 AAY62 LAS → MFR Jun 29, 01:55 UTCJun 29, 03:29 UTC1h 35m
2026-06-28 AAY1705 LAS → LAS Jun 28, 20:19 UTCJun 29, 00:39 UTC4h 20m
2026-06-28 AAY72 OKC → LAS Jun 28, 16:35 UTCJun 28, 18:49 UTC2h 15m
2026-06-28 AAY66 LAS → OKC Jun 28, 13:19 UTCJun 28, 15:20 UTC2h 0m
2026-06-27 AAY9201 PVU → LAS Jun 27, 19:09 UTCJun 27, 20:09 UTC1h 0m
2026-06-27 AAY6224 - Jun 27, 17:14 UTCJun 27, 18:35 UTC1h 20m
2026-06-27 AAY9200 LAS → SNA Jun 27, 15:24 UTCJun 27, 16:10 UTC45m
2026-06-27 AAY59 MFR → LAS Jun 27, 05:19 UTCJun 27, 06:40 UTC1h 20m
2026-06-27 AAY113 - Jun 27, 02:39 UTCJun 27, 04:24 UTC1h 45m
2026-06-26 AAY94 - Jun 26, 23:44 UTCJun 27, 01:19 UTC1h 35m
2026-06-26 AAY133 SNA → IDA Jun 26, 20:50 UTCJun 26, 22:34 UTC1h 45m
2026-06-26 AAY98 - Jun 26, 17:25 UTCJun 26, 19:30 UTC2h 5m
2026-06-26 AAY1625 GEG → LAS Jun 26, 13:40 UTCJun 26, 15:10 UTC1h 30m
2026-06-26 AAY29 LAS → MFR Jun 26, 05:30 UTCJun 26, 07:10 UTC1h 40m
2026-06-26 AAY31 FAT → LAS Jun 26, 02:24 UTCJun 26, 04:20 UTC1h 55m
2026-06-25 AAY1707 - Jun 25, 23:30 UTCJun 26, 01:20 UTC1h 50m
2026-06-25 AAY30 LAS → EUG Jun 25, 19:29 UTCJun 25, 21:10 UTC1h 40m
2026-06-25 AAY298 BLI → AZA Jun 25, 17:20 UTCJun 25, 18:15 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 N323NV page for operator, model, and routing details .

Mode-S A37AB5 frequently asked

What is Mode-S code A37AB5?
A37AB5 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N323NV.
Where is Mode-S A37AB5 registered?
Mode-S code A37AB5 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 A37AB5 broadcasting right now?
No active broadcast right now. Last signal was 3d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A37AB5, octal 50675265, decimal 10,713,781.
What flights does A37AB5 operate?
Mode-S A37AB5 has broadcast 20 distinct callsigns, including AAY281, AAY276, AAY274, AAY271, AAY272.