sensors Mode-S transponder

AE4A2A

ICAO 24-bit transponder address

Currently assigned to 166161 · Raytheon T-6B Texan II

Hex
AE4A2A
Octal
53445052
Decimal
11,422,250
Tail
166161
Type
TEX2
No current signal · last broadcast 1d ago
Flights observed
100
Distinct callsigns
6
Country
-
Last broadcast
1d ago

Last known position

Most recent position reported by Mode-S AE4A2A.

Callsign history 6 distinct

Callsign Airline Flights Last seen
RN161 - 37 2026-07-16
SH161 - 30 2026-07-15
BB161 - 22 2026-07-14
TEXN161 - 7 2026-06-15
RN017 - 3 2026-05-26
BB185 - 1 2026-04-29

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-16 RN161 - Jul 16, 22:55 UTCJul 17, 00:20 UTC1h 25m
2026-07-16 RN161 - Jul 16, 20:29 UTCJul 16, 21:00 UTC30m
2026-07-16 RN161 - Jul 16, 19:35 UTCJul 16, 19:45 UTC10m
2026-07-16 RN161 - Jul 16, 15:05 UTCJul 16, 16:55 UTC1h 50m
2026-07-15 SH161 - Jul 15, 18:45 UTCJul 15, 19:40 UTC55m
2026-07-15 SH161 - Jul 15, 15:10 UTCJul 15, 16:45 UTC1h 35m
2026-07-14 BB161 - Jul 14, 12:30 UTCJul 14, 13:15 UTC45m
2026-07-14 BB161 - Jul 14, 01:00 UTCJul 14, 02:10 UTC1h 10m
2026-07-13 BB161 - Jul 13, 21:15 UTCJul 13, 21:50 UTC35m
2026-07-13 BB161 - Jul 13, 13:05 UTCJul 13, 14:35 UTC1h 30m
2026-07-13 SH161 - Jul 13, 00:30 UTCJul 13, 02:15 UTC1h 45m
2026-07-12 SH161 - Jul 12, 21:25 UTCJul 12, 23:10 UTC1h 45m
2026-07-12 SH161 - Jul 12, 17:10 UTCJul 12, 18:55 UTC1h 45m
2026-07-10 SH161 - Jul 10, 21:05 UTCJul 10, 22:50 UTC1h 45m
2026-07-10 SH161 - Jul 10, 17:05 UTCJul 10, 18:05 UTC1h 0m
2026-07-10 SH161 - Jul 10, 13:20 UTCJul 10, 13:45 UTC25m
2026-07-08 RN161 - Jul 8, 17:05 UTCJul 8, 17:25 UTC20m
2026-07-08 RN161 - Jul 8, 13:40 UTCJul 8, 14:05 UTC25m
2026-07-06 SH161 - Jul 6, 16:25 UTCJul 6, 17:40 UTC1h 15m
2026-07-02 RN161 - Jul 2, 15:45 UTCJul 2, 16:05 UTC20m
2026-07-02 RN161 - Jul 2, 12:20 UTCJul 2, 14:10 UTC1h 50m
2026-07-01 SH161 - Jul 1, 20:00 UTCJul 1, 21:30 UTC1h 30m
2026-07-01 SH161 - Jul 1, 17:15 UTCJul 1, 18:50 UTC1h 35m
2026-07-01 SH161 - Jul 1, 12:25 UTCJul 1, 14:15 UTC1h 50m
2026-06-30 BB161 - Jun 30, 18:20 UTCJun 30, 19:00 UTC40m
2026-06-29 RN161 - Jun 29, 18:55 UTCJun 29, 19:05 UTC10m
2026-06-29 RN161 - Jun 29, 12:49 UTCJun 29, 13:49 UTC1h 0m
2026-06-29 RN161 - Jun 29, 00:05 UTCJun 29, 01:34 UTC1h 30m
2026-06-28 RN161 - Jun 28, 20:04 UTCJun 28, 21:14 UTC1h 10m
2026-06-28 RN161 - Jun 28, 16:45 UTCJun 28, 18:10 UTC1h 25m
2026-06-26 RN161 - Jun 26, 19:24 UTCJun 26, 20:20 UTC55m
2026-06-26 RN161 - Jun 26, 15:34 UTCJun 26, 17:29 UTC1h 55m
2026-06-26 RN161 - Jun 26, 12:39 UTCJun 26, 14:19 UTC1h 40m
2026-06-25 SH161 - Jun 25, 13:35 UTCJun 25, 14:59 UTC1h 25m
2026-06-24 SH161 - Jun 24, 13:20 UTCJun 24, 14:50 UTC1h 30m
2026-06-24 RN161 - Jun 24, 02:00 UTCJun 24, 02:45 UTC45m
2026-06-23 RN161 - Jun 23, 22:44 UTCJun 23, 23:44 UTC1h 0m
2026-06-23 SH161 - Jun 23, 02:15 UTCJun 23, 02:55 UTC40m
2026-06-23 SH161 - Jun 23, 01:00 UTCJun 23, 01:25 UTC25m
2026-06-22 SH161 - Jun 22, 21:10 UTCJun 22, 21:59 UTC50m
2026-06-22 SH161 - Jun 22, 14:45 UTCJun 22, 15:05 UTC20m
2026-06-20 SH161 - Jun 20, 20:05 UTCJun 20, 21:19 UTC1h 15m
2026-06-20 SH161 - Jun 20, 16:44 UTCJun 20, 18:10 UTC1h 25m
2026-06-17 RN161 - Jun 17, 23:55 UTCJun 18, 01:05 UTC1h 10m
2026-06-17 BB161 - Jun 17, 16:05 UTCJun 17, 17:25 UTC1h 20m
2026-06-15 TEXN161 - Jun 15, 22:05 UTCJun 15, 22:35 UTC30m
2026-06-15 TEXN161 - Jun 15, 19:05 UTCJun 15, 20:20 UTC1h 15m
2026-06-12 BB161 - Jun 12, 22:15 UTCJun 12, 23:00 UTC45m
2026-06-12 BB161 - Jun 12, 18:55 UTCJun 12, 20:00 UTC1h 5m
2026-05-26 RN017 - May 26, 16:24 UTCMay 26, 16:40 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 166161 page for operator, model, and routing details .

Mode-S AE4A2A frequently asked

What is Mode-S code AE4A2A?
AE4A2A is an ICAO 24-bit transponder address. Assigned to 166161.
Is AE4A2A broadcasting right now?
No active broadcast right now. Last signal was 1d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AE4A2A, octal 53445052, decimal 11,422,250.
What flights does AE4A2A operate?
Mode-S AE4A2A has broadcast 6 distinct callsigns, including RN161, SH161, BB161, TEXN161, RN017.