sensors Mode-S transponder

A252AE

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N249NV · AIRBUS A-320 · operated by SUNRISE ASSET MANAGEMENT LLC

Hex
A252AE
Octal
50451256
Decimal
10,637,998
Country
US
Tail
N249NV
Type
A320
Broadcasting now · callsign AAY684 · 35,975 ft
Flights observed
350
Distinct callsigns
20
Country
US
Last broadcast
1h ago

Current position

A252AE is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address A252AE 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
AAY3050 Allegiant Air 6 2026-05-29
AAY3039 Allegiant Air 6 2026-05-28
AAY3026 Allegiant Air 6 2026-05-18
AAY3024 Allegiant Air 6 2026-06-03
AAY1399 Allegiant Air 6 2026-05-18
AAY1397 Allegiant Air 6 2026-05-30
AAY1396 Allegiant Air 6 2026-05-29
AAY3055 Allegiant Air 5 2026-05-27
AAY3047 Allegiant Air 5 2026-05-30
AAY1433 Allegiant Air 5 2026-05-08
AAY1432 Allegiant Air 5 2026-06-02
AAY1409 Allegiant Air 5 2026-06-01
AAY1398 Allegiant Air 5 2026-05-28
AAY3063 Allegiant Air 4 2026-05-27
AAY3040 Allegiant Air 4 2026-05-29
AAY3037 Allegiant Air 4 2026-05-10
AAY3035 Allegiant Air 4 2026-05-26
AAY3020 Allegiant Air 4 2026-06-01
AAY702 - 3 2026-07-12
AAY644 - 3 2026-07-04

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-13 AAY701 - Jul 13, 22:20 UTCJul 14, 01:25 UTC3h 5m
2026-07-13 AAY2264 - Jul 13, 18:20 UTCJul 13, 21:00 UTC2h 40m
2026-07-13 AAY652 AZA → FAR Jul 13, 14:50 UTCJul 13, 17:20 UTC2h 30m
2026-07-13 AAY682 PDX → AZA Jul 13, 02:01 UTCJul 13, 04:25 UTC2h 25m
2026-07-12 AAY702 AZA → PDX Jul 12, 22:05 UTCJul 13, 00:15 UTC2h 10m
2026-07-12 AAY754 - Jul 12, 18:45 UTCJul 12, 21:00 UTC2h 15m
2026-07-12 AAY2302 - Jul 12, 15:35 UTCJul 12, 17:45 UTC2h 10m
2026-07-11 AAY726 AZA → AZA Jul 11, 22:05 UTCJul 12, 03:15 UTC5h 10m
2026-07-11 AAY698 - Jul 11, 18:25 UTCJul 11, 20:35 UTC2h 10m
2026-07-11 AAY2311 - Jul 11, 14:10 UTCJul 11, 16:05 UTC1h 55m
2026-07-11 AAY3535 - Jul 11, 01:00 UTCJul 11, 03:45 UTC2h 45m
2026-07-10 AAY3534 - Jul 10, 21:10 UTCJul 10, 23:50 UTC2h 40m
2026-07-10 AAY692 - Jul 10, 13:35 UTCJul 10, 20:00 UTC6h 25m
2026-07-10 AAY674 - Jul 10, 00:35 UTCJul 10, 02:55 UTC2h 20m
2026-07-09 AAY691 - Jul 9, 21:10 UTCJul 9, 23:15 UTC2h 5m
2026-07-09 AAY743 - Jul 9, 17:35 UTCJul 9, 19:45 UTC2h 10m
2026-07-09 AAY668 - Jul 9, 14:00 UTCJul 9, 16:10 UTC2h 10m
2026-07-08 AAY653 - Jul 8, 23:55 UTCJul 9, 05:45 UTC5h 50m
2026-07-08 AAY2265 - Jul 8, 19:05 UTCJul 8, 22:30 UTC3h 25m
2026-07-08 AAY663 - Jul 8, 14:35 UTCJul 8, 17:40 UTC3h 5m
2026-07-07 AAY2280 - Jul 7, 21:20 UTCJul 8, 00:40 UTC3h 20m
2026-07-07 AAY2322 - Jul 7, 16:50 UTCJul 7, 20:05 UTC3h 15m
2026-07-07 AAY2303 - Jul 7, 01:40 UTCJul 7, 04:00 UTC2h 20m
2026-07-06 AAY643 - Jul 6, 22:15 UTCJul 7, 00:30 UTC2h 15m
2026-07-06 AAY547 - Jul 6, 17:30 UTCJul 6, 20:50 UTC3h 20m
2026-07-06 AAY558 GRR → PIE Jul 6, 13:15 UTCJul 6, 16:25 UTC3h 10m
2026-07-06 AAY674 MIQ → AZA Jul 6, 00:50 UTCJul 6, 03:00 UTC2h 10m
2026-07-05 AAY691 - Jul 5, 21:25 UTCJul 5, 23:35 UTC2h 10m
2026-07-05 AAY743 - Jul 5, 17:55 UTCJul 5, 20:05 UTC2h 10m
2026-07-05 AAY668 - Jul 5, 14:40 UTCJul 5, 16:45 UTC2h 5m
2026-07-05 AAY2261 - Jul 5, 02:55 UTCJul 5, 05:30 UTC2h 35m
2026-07-04 AAY662 AZA → FAR Jul 4, 23:15 UTCJul 5, 01:55 UTC2h 40m
2026-07-04 AAY722 - Jul 4, 18:55 UTCJul 4, 22:00 UTC3h 5m
2026-07-04 AAY714 - Jul 4, 14:10 UTCJul 4, 17:00 UTC2h 50m
2026-07-04 AAY2307 AZA → TOL Jul 4, 04:00 UTCJul 4, 05:50 UTC1h 50m
2026-07-04 AAY644 - Jul 4, 00:55 UTCJul 4, 02:25 UTC1h 30m
2026-07-03 AAY638 - Jul 3, 18:40 UTCJul 3, 23:45 UTC5h 5m
2026-07-03 AAY2305 - Jul 3, 16:00 UTCJul 3, 17:35 UTC1h 35m
2026-07-03 AAY2268 - Jul 3, 13:10 UTCJul 3, 14:35 UTC1h 25m
2026-07-03 AAY2267 AZA → AZA Jul 3, 01:20 UTCJul 3, 06:45 UTC5h 25m
2026-07-02 AAY688 - Jul 2, 18:30 UTCJul 3, 00:10 UTC5h 40m
2026-07-02 AAY673 - Jul 2, 15:55 UTCJul 2, 17:25 UTC1h 30m
2026-07-02 AAY636 - Jul 2, 13:10 UTCJul 2, 14:30 UTC1h 20m
2026-07-02 AAY653 AZA → AZA Jul 2, 00:10 UTCJul 2, 06:15 UTC6h 5m
2026-07-01 AAY713 - Jul 1, 19:05 UTCJul 1, 22:45 UTC3h 40m
2026-07-01 AAY651 - Jul 1, 14:15 UTCJul 1, 17:25 UTC3h 10m
2026-07-01 AAY717 AZA → AZA Jul 1, 00:00 UTCJul 1, 04:50 UTC4h 50m
2026-06-30 AAY658 - Jun 30, 20:30 UTCJun 30, 22:45 UTC2h 15m
2026-06-30 AAY2319 - Jun 30, 17:25 UTCJun 30, 19:10 UTC1h 45m
2026-06-30 AAY2307 AZA → TOL Jun 30, 04:00 UTCJun 30, 06:00 UTC2h 0m

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 N249NV page for operator, model, and routing details .

Mode-S A252AE frequently asked

What is Mode-S code A252AE?
A252AE is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N249NV.
Where is Mode-S A252AE registered?
Mode-S code A252AE 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 A252AE broadcasting right now?
Yes. Mode-S A252AE is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex A252AE, octal 50451256, decimal 10,637,998.
What flights does A252AE operate?
Mode-S A252AE has broadcast 20 distinct callsigns, including AAY3050, AAY3039, AAY3026, AAY3024, AAY1399.