sensors Mode-S transponder

AE4FD2

ICAO 24-bit transponder address

Currently assigned to 168130 · SIKORSKY UH-60 Black Hawk

Hex
AE4FD2
Octal
53447722
Decimal
11,423,698
Tail
168130
Type
H60
No current signal · last broadcast Jul 24, 05:00 UTC
Flights observed
72
Distinct callsigns
3
Country
-
Last broadcast
Jul 24, 05:00 UTC

Last known position

Most recent position reported by Mode-S AE4FD2.

Callsign history 3 distinct

Callsign Airline Flights Last seen
HEX40 - 42 2026-07-24
FFAB123 - 28 2026-07-20
SB21 - 2 2026-06-25

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-24 HEX40 NZY → NZY Jul 24, 03:10 UTCJul 24, 05:00 UTC1h 50m
2026-07-23 HEX40 - Jul 23, 22:20 UTCJul 24, 00:50 UTC2h 30m
2026-07-23 HEX40 - Jul 23, 19:55 UTCJul 23, 21:45 UTC1h 50m
2026-07-22 HEX40 - Jul 22, 22:30 UTCJul 23, 00:40 UTC2h 10m
2026-07-22 HEX40 NZY → NZY Jul 22, 19:00 UTCJul 22, 22:05 UTC3h 5m
2026-07-21 HEX40 - Jul 21, 18:55 UTCJul 21, 20:45 UTC1h 50m
2026-07-20 FFAB123 - Jul 20, 23:30 UTCJul 21, 00:50 UTC1h 19m
2026-06-25 SB21 - Jun 25, 18:59 UTCJun 25, 19:34 UTC35m
2026-06-25 SB21 - Jun 25, 17:09 UTCJun 25, 18:19 UTC1h 10m
2026-06-24 FFAB123 - Jun 24, 22:04 UTCJun 24, 23:40 UTC1h 35m
2026-06-24 FFAB123 - Jun 24, 19:59 UTCJun 24, 20:49 UTC50m
2026-06-24 FFAB123 - Jun 24, 16:54 UTCJun 24, 17:29 UTC35m
2026-06-23 FFAB123 - Jun 23, 22:44 UTCJun 23, 23:34 UTC50m
2026-06-23 FFAB123 - Jun 23, 20:34 UTCJun 23, 22:05 UTC1h 30m
2026-06-23 FFAB123 - Jun 23, 17:39 UTCJun 23, 19:55 UTC2h 15m
2026-06-23 FFAB123 - Jun 23, 14:25 UTCJun 23, 17:04 UTC2h 40m
2026-06-23 FFAB123 - Jun 23, 00:45 UTCJun 23, 03:20 UTC2h 35m
2026-06-22 FFAB123 - Jun 22, 21:14 UTCJun 22, 23:45 UTC2h 30m
2026-06-22 FFAB123 - Jun 22, 18:04 UTCJun 22, 20:34 UTC2h 30m
2026-06-21 FFAB123 - Jun 21, 23:24 UTCJun 22, 01:00 UTC1h 35m
2026-06-17 FFAB123 - Jun 17, 15:40 UTCJun 17, 17:30 UTC1h 50m
2026-06-12 HEX40 NRS → NZY Jun 12, 04:35 UTCJun 12, 04:50 UTC15m
2026-06-12 HEX40 NZY → NRS Jun 12, 03:20 UTCJun 12, 04:30 UTC1h 10m
2026-06-12 HEX40 - Jun 12, 01:25 UTCJun 12, 02:40 UTC1h 15m
2026-06-11 HEX40 - Jun 11, 23:45 UTCJun 12, 00:55 UTC1h 11m
2026-06-11 HEX40 - Jun 11, 23:25 UTCJun 11, 23:40 UTC15m
2026-05-29 HEX40 - May 29, 17:40 UTCMay 29, 18:35 UTC55m
2026-05-28 HEX40 NZY → NZY May 28, 22:50 UTCMay 28, 23:40 UTC50m
2026-05-15 HEX40 NZY → NZY May 15, 20:15 UTCMay 15, 21:00 UTC45m
2026-05-15 HEX40 - May 15, 18:55 UTCMay 15, 19:50 UTC55m
2026-05-15 HEX40 NZY → NZY May 15, 17:30 UTCMay 15, 18:40 UTC1h 10m
2026-05-06 HEX40 NZY → NZY May 6, 00:40 UTCMay 6, 01:35 UTC55m
2026-05-05 HEX40 NZY → NZY May 5, 22:55 UTCMay 5, 23:45 UTC50m
2026-05-05 HEX40 NZY → NZY May 5, 19:30 UTCMay 5, 22:15 UTC2h 45m
2026-05-02 HEX40 - May 2, 04:25 UTCMay 2, 04:45 UTC20m
2026-05-02 HEX40 - May 2, 01:45 UTCMay 2, 02:45 UTC1h 0m
2026-05-02 HEX40 NZY → NZY May 2, 00:40 UTCMay 2, 01:05 UTC25m
2026-05-01 HEX40 - May 1, 23:25 UTCMay 1, 23:45 UTC20m
2026-05-01 HEX40 NZY → NZY May 1, 20:50 UTCMay 1, 21:25 UTC35m
2026-05-01 HEX40 NZY → NZY May 1, 17:15 UTCMay 1, 17:55 UTC40m
2026-04-28 HEX40 - Apr 28, 03:40 UTCApr 28, 04:15 UTC35m
2026-04-28 FFAB123 - Apr 28, 00:10 UTCApr 28, 00:55 UTC45m
2026-04-27 FFAB123 - Apr 27, 21:15 UTCApr 27, 21:45 UTC30m
2026-04-26 FFAB123 - Apr 26, 22:00 UTCApr 26, 22:20 UTC20m
2026-04-26 FFAB123 - Apr 26, 15:30 UTCApr 26, 16:35 UTC1h 5m
2026-04-25 FFAB123 - Apr 25, 20:15 UTCApr 25, 21:40 UTC1h 25m
2026-04-25 FFAB123 - Apr 25, 16:10 UTCApr 25, 16:40 UTC30m
2026-04-24 FFAB123 - Apr 24, 19:55 UTCApr 24, 20:10 UTC15m
2026-04-24 HEX40 - Apr 24, 15:15 UTCApr 24, 15:40 UTC25m
2026-04-24 HEX40 - Apr 24, 14:05 UTCApr 24, 14:20 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 168130 page for operator, model, and routing details .

Mode-S AE4FD2 frequently asked

What is Mode-S code AE4FD2?
AE4FD2 is an ICAO 24-bit transponder address. Assigned to 168130.
Is AE4FD2 broadcasting right now?
No active broadcast right now. Last signal was Jul 24, 05:00 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AE4FD2, octal 53447722, decimal 11,423,698.
What flights does AE4FD2 operate?
Mode-S AE4FD2 has broadcast 3 distinct callsigns, including HEX40, FFAB123, SB21.