Apparatus

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sensors Mode-S transponder

AB19F2

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N814TS · LEARJET 60 · operated by N814TS LLC

Hex
AB19F2
Octal
52614762
Decimal
11,213,298
Country
US
Tail
N814TS
Type
LJ60
No current signal · last broadcast 2d ago
Flights observed
77
Distinct callsigns
1
Country
US
Last broadcast
2d ago

Last known position

Most recent position reported by Mode-S AB19F2.

Country allocation

The ICAO 24-bit address AB19F2 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 1 distinct

Callsign Airline Flights Last seen
SCM81 - 77 2026-07-25

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-25 SCM81 - Jul 25, 21:55 UTCJul 26, 00:00 UTC2h 5m
2026-06-30 SCM81 - Jun 30, 22:00 UTCJun 30, 22:35 UTC35m
2026-06-30 SCM81 - Jun 30, 16:25 UTCJun 30, 17:00 UTC35m
2026-06-27 SCM81 - Jun 27, 05:15 UTCJun 27, 05:55 UTC40m
2026-06-27 SCM81 PWA → DAL Jun 27, 04:00 UTCJun 27, 04:34 UTC35m
2026-06-27 SCM81 - Jun 27, 00:10 UTCJun 27, 00:44 UTC35m
2026-06-26 SCM81 - Jun 26, 23:15 UTCJun 26, 23:55 UTC40m
2026-06-25 SCM81 - Jun 25, 18:00 UTCJun 25, 21:44 UTC3h 45m
2026-06-25 SCM81 - Jun 25, 12:40 UTCJun 25, 16:05 UTC3h 25m
2026-06-21 SCM81 - Jun 21, 19:55 UTCJun 21, 23:00 UTC3h 5m
2026-06-21 SCM81 - Jun 21, 15:54 UTCJun 21, 19:09 UTC3h 15m
2026-06-21 SCM81 - Jun 21, 14:05 UTCJun 21, 14:15 UTC10m
2026-06-20 SCM81 - Jun 20, 20:49 UTCJun 20, 22:59 UTC2h 10m
2026-06-20 SCM81 - Jun 20, 14:09 UTCJun 20, 15:29 UTC1h 20m
2026-06-20 SCM81 - Jun 20, 12:59 UTCJun 20, 13:44 UTC45m
2026-06-20 SCM81 - Jun 20, 09:19 UTCJun 20, 09:59 UTC40m
2026-06-20 SCM81 - Jun 20, 07:34 UTCJun 20, 08:39 UTC1h 5m
2026-06-19 SCM81 - Jun 19, 23:09 UTCJun 19, 23:59 UTC50m
2026-06-19 SCM81 - Jun 19, 21:19 UTCJun 19, 21:59 UTC40m
2026-06-18 SCM81 - Jun 18, 22:30 UTCJun 18, 23:10 UTC40m
2026-06-18 SCM81 - Jun 18, 16:40 UTCJun 18, 17:15 UTC35m
2026-06-17 SCM81 - Jun 17, 02:45 UTCJun 17, 03:20 UTC35m
2026-06-16 SCM81 - Jun 16, 21:35 UTCJun 16, 22:15 UTC40m
2026-06-13 SCM81 - Jun 13, 08:45 UTCJun 13, 10:05 UTC1h 20m
2026-06-13 SCM81 - Jun 13, 02:25 UTCJun 13, 03:50 UTC1h 25m
2026-06-12 SCM81 - Jun 12, 21:25 UTCJun 12, 22:35 UTC1h 10m
2026-06-12 SCM81 - Jun 12, 11:40 UTCJun 12, 12:40 UTC1h 0m
2026-06-12 SCM81 - Jun 12, 02:40 UTCJun 12, 03:05 UTC25m
2026-06-11 SCM81 - Jun 11, 20:20 UTCJun 11, 20:50 UTC30m
2026-06-09 SCM81 - Jun 9, 12:05 UTCJun 9, 13:15 UTC1h 10m
2026-06-09 SCM81 - Jun 9, 05:20 UTCJun 9, 06:25 UTC1h 5m
2026-06-09 SCM81 - Jun 9, 02:10 UTCJun 9, 02:55 UTC45m
2026-06-09 SCM81 - Jun 9, 00:15 UTCJun 9, 01:35 UTC1h 20m
2026-06-08 SCM81 - Jun 8, 17:20 UTCJun 8, 18:35 UTC1h 15m
2026-06-08 SCM81 - Jun 8, 15:50 UTCJun 8, 16:25 UTC35m
2026-05-30 SCM81 - May 30, 21:50 UTCMay 31, 00:10 UTC2h 20m
2026-05-30 SCM81 - May 30, 16:25 UTCMay 30, 18:30 UTC2h 5m
2026-05-18 SCM81 - May 18, 23:00 UTCMay 19, 01:15 UTC2h 15m
2026-05-16 SCM81 SLC → SCF May 16, 13:21 UTCMay 16, 14:31 UTC1h 10m
2026-05-16 SCM81 - May 16, 12:01 UTCMay 16, 13:05 UTC1h 5m
2026-05-16 SCM81 - May 16, 11:16 UTCMay 16, 11:41 UTC25m
2026-05-16 SCM81 - May 16, 03:45 UTCMay 16, 04:15 UTC30m
2026-05-14 SCM81 - May 14, 08:20 UTCMay 14, 08:30 UTC10m
2026-05-14 SCM81 - May 14, 07:25 UTCMay 14, 08:05 UTC40m
2026-05-14 SCM81 - May 14, 03:00 UTCMay 14, 03:40 UTC40m
2026-05-11 SCM81 - May 11, 20:15 UTCMay 11, 22:35 UTC2h 19m
2026-05-11 SCM81 LRU → BED May 11, 15:05 UTCMay 11, 19:05 UTC4h 1m
2026-05-11 SCM81 - May 11, 11:55 UTCMay 11, 12:35 UTC40m
2026-05-06 SCM81 - May 6, 09:35 UTCMay 6, 10:20 UTC45m
2026-05-06 SCM81 - May 6, 01:40 UTCMay 6, 02:15 UTC35m

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 N814TS page for operator, model, and routing details .

Mode-S AB19F2 frequently asked

What is Mode-S code AB19F2?
AB19F2 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N814TS.
Where is Mode-S AB19F2 registered?
Mode-S code AB19F2 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 AB19F2 broadcasting right now?
No active broadcast right now. Last signal was 2d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AB19F2, octal 52614762, decimal 11,213,298.
What flights does AB19F2 operate?
Mode-S AB19F2 has broadcast 1 distinct callsign, including SCM81.