sensors Mode-S transponder

ABF4D0

ICAO 24-bit transponder address · allocated to United States

Currently assigned to N87JL

Hex
ABF4D0
Octal
52772320
Decimal
11,269,328
Country
US
Tail
N87JL
No current signal · last broadcast 19h ago
Flights observed
29
Distinct callsigns
1
Country
US
Last broadcast
19h ago

Last known position

Most recent position reported by Mode-S ABF4D0.

Country allocation

The ICAO 24-bit address ABF4D0 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
N87JL - 29 2026-07-20

Recent flights last 29

DateFlightRouteTakeoffLandingDuration
2026-07-20 N87JL - Jul 20, 23:45 UTCJul 21, 00:05 UTC20m
2026-07-20 N87JL - Jul 20, 13:15 UTCJul 20, 13:45 UTC30m
2026-07-04 N87JL - Jul 4, 00:40 UTCJul 4, 01:00 UTC20m
2026-06-30 N87JL - Jun 30, 14:45 UTCJun 30, 15:00 UTC15m
2026-06-30 N87JL - Jun 30, 12:35 UTCJun 30, 12:55 UTC20m
2026-06-25 N87JL - Jun 25, 14:14 UTCJun 25, 14:34 UTC20m
2026-06-24 N87JL - Jun 24, 22:55 UTCJun 24, 23:10 UTC15m
2026-06-21 N87JL - Jun 21, 16:14 UTCJun 21, 16:44 UTC30m
2026-06-21 N87JL - Jun 21, 12:44 UTCJun 21, 13:00 UTC15m
2026-06-13 N87JL - Jun 13, 23:35 UTCJun 13, 23:55 UTC20m
2026-06-04 N87JL - Jun 4, 19:20 UTCJun 4, 21:35 UTC2h 15m
2026-06-04 N87JL - Jun 4, 14:50 UTCJun 4, 16:20 UTC1h 30m
2026-06-04 N87JL - Jun 4, 00:55 UTCJun 4, 01:05 UTC10m
2026-06-04 N87JL - Jun 4, 00:10 UTCJun 4, 00:20 UTC10m
2026-05-31 N87JL - May 31, 18:25 UTCMay 31, 19:00 UTC35m
2026-05-31 N87JL - May 31, 15:40 UTCMay 31, 16:10 UTC30m
2026-05-29 N87JL FRR → FRR May 29, 15:45 UTCMay 29, 16:05 UTC20m
2026-05-17 N87JL FRR → FRR May 17, 22:55 UTCMay 17, 23:20 UTC25m
2026-05-16 N87JL - May 16, 12:01 UTCMay 16, 13:11 UTC1h 10m
2026-05-11 N87JL - May 11, 21:30 UTCMay 11, 21:45 UTC15m
2026-05-11 N87JL - May 11, 19:20 UTCMay 11, 19:35 UTC15m
2026-05-10 N87JL - May 10, 15:15 UTCMay 10, 15:39 UTC25m
2026-05-08 N87JL - May 8, 00:25 UTCMay 8, 00:34 UTC10m
2026-05-07 N87JL - May 7, 23:14 UTCMay 7, 23:29 UTC15m
2026-05-07 N87JL - May 7, 22:15 UTCMay 7, 22:25 UTC10m
2026-05-04 N87JL FRR → FRR May 4, 11:50 UTCMay 4, 12:35 UTC45m
2026-05-01 N87JL - May 1, 12:10 UTCMay 1, 12:30 UTC20m
2026-04-23 N87JL - Apr 23, 20:15 UTCApr 23, 20:30 UTC15m
2026-04-23 N87JL - Apr 23, 19:20 UTCApr 23, 19:35 UTC15m

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 N87JL page for operator, model, and routing details .

Mode-S ABF4D0 frequently asked

What is Mode-S code ABF4D0?
ABF4D0 is an ICAO 24-bit transponder address. Allocated to United States. Assigned to N87JL.
Where is Mode-S ABF4D0 registered?
Mode-S code ABF4D0 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 ABF4D0 broadcasting right now?
No active broadcast right now. Last signal was 19h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex ABF4D0, octal 52772320, decimal 11,269,328.
What flights does ABF4D0 operate?
Mode-S ABF4D0 has broadcast 1 distinct callsign, including N87JL.