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sensors Mode-S transponder

AB2C0B

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N819NV · operated by ALLEGIANT AIR LLC

Hex
AB2C0B
Octal
52626013
Decimal
11,217,931
Country
US
Tail
N819NV
Type
B38M
No current signal · last broadcast 5h ago
Flights observed
296
Distinct callsigns
20
Country
US
Last broadcast
5h ago

Last known position

Most recent position reported by Mode-S AB2C0B.

Country allocation

The ICAO 24-bit address AB2C0B 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
AAY3482 - 9 2026-06-26
AAY3483 - 8 2026-06-26
AAY518 - 7 2026-07-12
AAY502 - 7 2026-07-05
AAY511 - 6 2026-07-10
AAY3485 - 6 2026-06-29
AAY3484 - 6 2026-06-29
AAY3481 Allegiant Air 6 2026-05-29
AAY529 - 5 2026-07-11
AAY519 - 5 2026-07-11
AAY513 Allegiant Air 5 2026-06-21
AAY512 - 5 2026-07-12
AAY501 - 5 2026-07-02
AAY498 - 5 2026-07-13
AAY3480 Allegiant Air 5 2026-05-29
AAY3471 Allegiant Air 5 2026-05-31
AAY3470 Allegiant Air 5 2026-05-31
AAY533 Allegiant Air 4 2026-06-10
AAY517 - 4 2026-07-11
AAY509 - 4 2026-07-13

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-13 AAY509 - Jul 13, 22:10 UTCJul 14, 01:05 UTC2h 55m
2026-07-13 AAY2125 PPM → DSM Jul 13, 17:55 UTCJul 13, 20:45 UTC2h 50m
2026-07-13 AAY489 - Jul 13, 14:55 UTCJul 13, 16:35 UTC1h 40m
2026-07-13 AAY498 - Jul 13, 11:55 UTCJul 13, 13:35 UTC1h 40m
2026-07-13 AAY497 - Jul 13, 02:30 UTCJul 13, 04:30 UTC2h 0m
2026-07-13 AAY497 - Jul 13, 02:10 UTCJul 13, 02:25 UTC15m
2026-07-12 AAY3487 - Jul 12, 23:40 UTCJul 13, 00:55 UTC1h 15m
2026-07-12 AAY3486 - Jul 12, 21:25 UTCJul 12, 22:30 UTC1h 5m
2026-07-12 AAY526 - Jul 12, 18:05 UTCJul 12, 20:15 UTC2h 10m
2026-07-12 AAY512 - Jul 12, 14:25 UTCJul 12, 16:20 UTC1h 55m
2026-07-12 AAY2152 - Jul 12, 10:55 UTCJul 12, 12:45 UTC1h 50m
2026-07-12 AAY518 - Jul 12, 01:30 UTCJul 12, 03:10 UTC1h 40m
2026-07-11 AAY529 - Jul 11, 22:40 UTCJul 12, 00:15 UTC1h 35m
2026-07-11 AAY506 USA → FLL Jul 11, 19:50 UTCJul 11, 21:25 UTC1h 35m
2026-07-11 AAY528 - Jul 11, 16:50 UTCJul 11, 18:25 UTC1h 35m
2026-07-11 AAY535 - Jul 11, 13:45 UTCJul 11, 15:25 UTC1h 40m
2026-07-11 AAY519 - Jul 11, 10:45 UTCJul 11, 12:20 UTC1h 35m
2026-07-11 AAY517 - Jul 11, 03:30 UTCJul 11, 05:50 UTC2h 20m
2026-07-10 AAY511 - Jul 10, 23:30 UTCJul 11, 01:55 UTC2h 25m
2026-07-10 AAY492 - Jul 10, 15:00 UTCJul 10, 17:55 UTC2h 55m
2026-07-10 AAY481 - Jul 10, 10:45 UTCJul 10, 13:50 UTC3h 5m
2026-07-10 AAY3473 - Jul 10, 01:40 UTCJul 10, 04:20 UTC2h 40m
2026-07-09 AAY3472 - Jul 9, 21:15 UTCJul 9, 23:40 UTC2h 25m
2026-07-09 AAY3475 - Jul 9, 16:15 UTCJul 9, 18:55 UTC2h 40m
2026-07-09 AAY3474 - Jul 9, 12:30 UTCJul 9, 14:55 UTC2h 25m
2026-07-07 AAY523 - Jul 7, 03:40 UTCJul 7, 06:10 UTC2h 30m
2026-07-07 AAY2134 FLL → SBN Jul 7, 00:00 UTCJul 7, 02:40 UTC2h 40m
2026-07-06 AAY492 PIE → FLL Jul 6, 19:20 UTCJul 6, 20:20 UTC1h 0m
2026-07-06 AAY492 - Jul 6, 14:50 UTCJul 6, 18:25 UTC3h 35m
2026-07-06 AAY481 PPM → ATW Jul 6, 10:30 UTCJul 6, 13:15 UTC2h 45m
2026-07-06 AAY2122 - Jul 6, 02:15 UTCJul 6, 04:30 UTC2h 15m
2026-07-05 AAY502 - Jul 5, 20:35 UTCJul 5, 22:45 UTC2h 10m
2026-07-05 AAY511 - Jul 5, 16:55 UTCJul 5, 18:40 UTC1h 45m
2026-07-05 AAY503 - Jul 5, 14:05 UTCJul 5, 15:40 UTC1h 35m
2026-07-05 AAY518 - Jul 5, 01:25 UTCJul 5, 03:05 UTC1h 40m
2026-07-04 AAY529 - Jul 4, 22:45 UTCJul 5, 00:20 UTC1h 35m
2026-07-04 AAY506 - Jul 4, 19:50 UTCJul 4, 21:25 UTC1h 35m
2026-07-04 AAY528 - Jul 4, 16:55 UTCJul 4, 18:25 UTC1h 30m
2026-07-04 AAY535 - Jul 4, 13:45 UTCJul 4, 15:25 UTC1h 40m
2026-07-04 AAY519 - Jul 4, 10:35 UTCJul 4, 12:10 UTC1h 35m
2026-07-04 AAY517 - Jul 4, 02:20 UTCJul 4, 04:20 UTC2h 0m
2026-07-03 AAY511 - Jul 3, 23:00 UTCJul 4, 01:10 UTC2h 10m
2026-07-03 AAY489 - Jul 3, 14:55 UTCJul 3, 16:40 UTC1h 45m
2026-07-03 AAY498 - Jul 3, 11:55 UTCJul 3, 13:30 UTC1h 35m
2026-07-02 AAY2130 - Jul 2, 23:05 UTCJul 3, 01:20 UTC2h 15m
2026-07-02 AAY501 - Jul 2, 19:35 UTCJul 2, 21:50 UTC2h 15m
2026-07-02 AAY483 BLV → FLL Jul 2, 15:10 UTCJul 2, 17:55 UTC2h 45m
2026-07-02 AAY482 - Jul 2, 11:20 UTCJul 2, 13:30 UTC2h 10m
2026-07-01 AAY527 - Jul 1, 20:15 UTCJul 1, 23:00 UTC2h 45m
2026-07-01 AAY2128 FLL → SWF Jul 1, 16:15 UTCJul 1, 18:45 UTC2h 30m

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 N819NV page for operator, model, and routing details .

Mode-S AB2C0B frequently asked

What is Mode-S code AB2C0B?
AB2C0B is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N819NV.
Where is Mode-S AB2C0B registered?
Mode-S code AB2C0B 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 AB2C0B broadcasting right now?
No active broadcast right now. Last signal was 5h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AB2C0B, octal 52626013, decimal 11,217,931.
What flights does AB2C0B operate?
Mode-S AB2C0B has broadcast 20 distinct callsigns, including AAY3482, AAY3483, AAY518, AAY502, AAY511.