sensors Mode-S transponder

AE0191

ICAO 24-bit transponder address

Currently assigned to 84-0124 · LEARJET 35

Hex
AE0191
Octal
53400621
Decimal
11,403,665
Tail
84-0124
Type
LJ35
No current signal · last broadcast 11d ago
Flights observed
129
Distinct callsigns
20
Country
-
Last broadcast
11d ago

Last known position

Most recent position reported by Mode-S AE0191.

Callsign history 20 distinct

Callsign Airline Flights Last seen
SPAR337 - 7 2026-07-20
COUGR02 - 7 2026-07-06
TRICK45 - 6 2026-07-09
SPAR742 - 6 2026-07-16
SPAR736 - 6 2026-07-01
SPAR501 - 5 2026-07-24
SPAR198 - 5 2026-05-05
TRICK13 - 4 2026-05-13
SPAR766 - 4 2026-06-08
SPAR740 - 4 2026-07-11
SPAR732 - 4 2026-06-25
SPAR526 - 4 2026-05-21
SPAR155 - 4 2026-04-24
COUGR25 - 4 2026-07-02
COUGR18 - 4 2026-04-17
SPAR765 - 3 2026-06-09
SPAR667 - 3 2026-05-28
SPAR433 - 3 2026-05-14
SPAR399 - 3 2026-05-13
SPAR255 - 3 2026-05-01

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 SPAR315 - Jul 26, 17:10 UTCJul 26, 18:10 UTC1h 0m
2026-07-26 SPAR315 BLV → ATW Jul 26, 13:50 UTCJul 26, 15:05 UTC1h 15m
2026-07-24 SPAR501 - Jul 24, 18:15 UTCJul 24, 19:30 UTC1h 15m
2026-07-24 SPAR501 - Jul 24, 17:45 UTCJul 24, 18:10 UTC25m
2026-07-24 SPAR501 TEB → ADW Jul 24, 16:05 UTCJul 24, 16:45 UTC40m
2026-07-24 SPAR501 ANP → TEB Jul 24, 12:15 UTCJul 24, 12:50 UTC35m
2026-07-24 SPAR501 BLV → ADW Jul 24, 08:10 UTCJul 24, 09:45 UTC1h 35m
2026-07-23 SPAR440 - Jul 23, 21:20 UTCJul 23, 23:10 UTC1h 50m
2026-07-23 SPAR440 BLV → CYS Jul 23, 13:50 UTCJul 23, 19:30 UTC5h 40m
2026-07-22 SPAR229 - Jul 22, 02:30 UTCJul 22, 05:00 UTC2h 30m
2026-07-21 SPAR229 - Jul 21, 23:20 UTCJul 22, 01:20 UTC2h 0m
2026-07-21 SPAR229 BLV → ADW Jul 21, 15:50 UTCJul 21, 17:25 UTC1h 35m
2026-07-20 COUGR11 - Jul 20, 20:50 UTCJul 20, 22:45 UTC1h 55m
2026-07-20 SPAR337 JCI → BLV Jul 20, 17:25 UTCJul 20, 18:20 UTC55m
2026-07-20 SPAR337 - Jul 20, 15:10 UTCJul 20, 15:20 UTC10m
2026-07-20 SPAR337 - Jul 20, 13:25 UTCJul 20, 14:40 UTC1h 15m
2026-07-17 SPAR337 ADW → BLV Jul 17, 16:24 UTCJul 17, 18:10 UTC1h 45m
2026-07-17 SPAR337 - Jul 17, 14:30 UTCJul 17, 15:20 UTC50m
2026-07-17 SPAR337 - Jul 17, 10:40 UTCJul 17, 11:35 UTC55m
2026-07-16 SPAR337 BLV → ADW Jul 16, 17:05 UTCJul 16, 18:40 UTC1h 35m
2026-07-16 SPAR742 - Jul 16, 02:40 UTCJul 16, 04:10 UTC1h 30m
2026-07-15 SPAR742 - Jul 15, 23:20 UTCJul 16, 01:40 UTC2h 20m
2026-07-15 SPAR742 - Jul 15, 20:00 UTCJul 15, 21:25 UTC1h 25m
2026-07-14 SPAR742 - Jul 14, 13:05 UTCJul 14, 14:35 UTC1h 30m
2026-07-14 SPAR742 - Jul 14, 10:00 UTCJul 14, 12:00 UTC2h 0m
2026-07-13 SPAR742 BLV → ADW Jul 13, 15:55 UTCJul 13, 17:40 UTC1h 45m
2026-07-11 SPAR740 BNA → BLV Jul 11, 18:25 UTCJul 11, 19:05 UTC40m
2026-07-11 SPAR740 - Jul 11, 03:35 UTCJul 11, 05:01 UTC1h 25m
2026-07-10 SPAR740 - Jul 10, 23:35 UTCJul 11, 01:30 UTC1h 55m
2026-07-10 SPAR740 - Jul 10, 19:55 UTCJul 10, 21:50 UTC1h 55m
2026-07-09 TRICK45 - Jul 9, 21:10 UTCJul 9, 22:05 UTC55m
2026-07-09 TRICK45 - Jul 9, 19:40 UTCJul 9, 20:30 UTC50m
2026-07-09 TRICK45 - Jul 9, 16:15 UTCJul 9, 17:00 UTC45m
2026-07-09 TRICK45 - Jul 9, 14:40 UTCJul 9, 15:25 UTC45m
2026-07-08 SPAR104 - Jul 8, 15:40 UTCJul 8, 17:20 UTC1h 40m
2026-07-07 SPAR104 - Jul 7, 17:50 UTCJul 7, 19:25 UTC1h 35m
2026-07-06 COUGR02 - Jul 6, 23:55 UTCJul 7, 01:25 UTC1h 30m
2026-07-06 COUGR02 - Jul 6, 18:50 UTCJul 6, 21:20 UTC2h 30m
2026-07-06 TRICK45 - Jul 6, 13:45 UTCJul 6, 16:50 UTC3h 5m
2026-07-02 COUGR25 - Jul 2, 18:55 UTCJul 2, 19:30 UTC35m
2026-07-02 COUGR25 - Jul 2, 17:25 UTCJul 2, 17:55 UTC30m
2026-07-02 COUGR25 - Jul 2, 14:40 UTCJul 2, 15:10 UTC30m
2026-07-02 COUGR25 - Jul 2, 13:10 UTCJul 2, 13:30 UTC20m
2026-07-01 SPAR736 - Jul 1, 02:25 UTCJul 1, 03:15 UTC50m
2026-06-30 SPAR736 - Jun 30, 23:40 UTCJul 1, 01:25 UTC1h 45m
2026-06-30 SPAR736 - Jun 30, 20:20 UTCJun 30, 22:45 UTC2h 25m
2026-06-29 SPAR736 - Jun 29, 16:04 UTCJun 29, 18:49 UTC2h 45m
2026-06-29 SPAR736 - Jun 29, 13:09 UTCJun 29, 15:00 UTC1h 50m
2026-06-28 SPAR736 - Jun 28, 19:59 UTCJun 28, 20:45 UTC45m
2026-06-27 COUGR12 - Jun 27, 00:05 UTCJun 27, 00:50 UTC45m

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 84-0124 page for operator, model, and routing details .

Mode-S AE0191 frequently asked

What is Mode-S code AE0191?
AE0191 is an ICAO 24-bit transponder address. Assigned to 84-0124.
Is AE0191 broadcasting right now?
No active broadcast right now. Last signal was 11d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AE0191, octal 53400621, decimal 11,403,665.
What flights does AE0191 operate?
Mode-S AE0191 has broadcast 20 distinct callsigns, including SPAR337, COUGR02, TRICK45, SPAR742, SPAR736.