sensors Mode-S transponder

AE4D61

ICAO 24-bit transponder address

Currently assigned to 168587

Hex
AE4D61
Octal
53446541
Decimal
11,423,073
Tail
168587
Type
H60
No current signal · last broadcast 11d ago
Flights observed
59
Distinct callsigns
2
Country
-
Last broadcast
11d ago

Last known position

Most recent position reported by Mode-S AE4D61.

Callsign history 2 distinct

Callsign Airline Flights Last seen
RDHK723 - 56 2026-05-19
HAWK723 - 3 2026-05-14

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-19 RDHK723 FAF → NGU May 19, 00:55 UTCMay 19, 02:25 UTC1h 30m
2026-05-18 RDHK723 - May 18, 23:35 UTCMay 19, 00:20 UTC45m
2026-05-18 RDHK723 - May 18, 22:50 UTCMay 18, 23:25 UTC35m
2026-05-18 RDHK723 - May 18, 21:20 UTCMay 18, 21:55 UTC35m
2026-05-18 RDHK723 - May 18, 20:45 UTCMay 18, 21:10 UTC25m
2026-05-18 RDHK723 - May 18, 19:10 UTCMay 18, 19:20 UTC10m
2026-05-14 HAWK723 NGU → NGU May 14, 17:10 UTCMay 14, 17:35 UTC25m
2026-05-14 HAWK723 NGU → NGU May 14, 15:35 UTCMay 14, 16:10 UTC35m
2026-05-13 RDHK723 NGU → NGU May 13, 18:35 UTCMay 13, 19:00 UTC25m
2026-05-12 RDHK723 - May 12, 03:55 UTCMay 12, 04:15 UTC20m
2026-05-11 RDHK723 - May 11, 21:05 UTCMay 11, 21:25 UTC20m
2026-05-11 RDHK723 - May 11, 19:20 UTCMay 11, 19:30 UTC10m
2026-05-11 RDHK723 - May 11, 18:10 UTCMay 11, 18:35 UTC25m
2026-05-11 RDHK723 - May 11, 15:20 UTCMay 11, 16:20 UTC1h 0m
2026-05-08 RDHK723 - May 8, 01:45 UTCMay 8, 01:55 UTC10m
2026-05-08 RDHK723 - May 8, 00:05 UTCMay 8, 00:20 UTC15m
2026-05-06 HAWK723 - May 6, 01:50 UTCMay 6, 02:01 UTC10m
2026-04-25 RDHK723 - Apr 25, 15:50 UTCApr 25, 16:15 UTC25m
2026-04-25 RDHK723 - Apr 25, 14:30 UTCApr 25, 14:40 UTC10m
2026-04-25 RDHK723 - Apr 25, 02:10 UTCApr 25, 02:25 UTC15m
2026-04-25 RDHK723 - Apr 25, 00:55 UTCApr 25, 01:15 UTC20m
2026-04-24 RDHK723 - Apr 24, 22:25 UTCApr 24, 22:45 UTC20m
2026-04-24 RDHK723 - Apr 24, 20:35 UTCApr 24, 21:10 UTC35m
2026-04-24 RDHK723 - Apr 24, 19:50 UTCApr 24, 20:25 UTC35m
2026-04-23 RDHK723 - Apr 23, 01:55 UTCApr 23, 03:35 UTC1h 40m
2026-04-23 RDHK723 - Apr 23, 01:15 UTCApr 23, 01:20 UTC5m
2026-04-22 RDHK723 - Apr 22, 23:40 UTCApr 22, 23:55 UTC15m
2026-04-22 RDHK723 - Apr 22, 22:05 UTCApr 22, 22:20 UTC15m
2026-04-22 RDHK723 - Apr 22, 20:30 UTCApr 22, 21:00 UTC30m
2026-04-22 RDHK723 - Apr 22, 20:10 UTCApr 22, 20:20 UTC10m
2026-04-22 RDHK723 - Apr 22, 18:45 UTCApr 22, 18:55 UTC10m
2026-04-22 RDHK723 - Apr 22, 17:45 UTCApr 22, 17:55 UTC10m
2026-04-22 RDHK723 NGU → FAF Apr 22, 16:10 UTCApr 22, 16:25 UTC15m
2026-04-22 RDHK723 - Apr 22, 15:05 UTCApr 22, 15:25 UTC20m
2026-04-22 RDHK723 - Apr 22, 14:10 UTCApr 22, 15:00 UTC50m
2026-04-21 RDHK723 - Apr 21, 03:30 UTCApr 21, 03:50 UTC20m
2026-04-21 RDHK723 - Apr 21, 02:10 UTCApr 21, 02:20 UTC10m
2026-04-20 RDHK723 - Apr 20, 23:10 UTCApr 20, 23:25 UTC15m
2026-04-20 RDHK723 - Apr 20, 21:00 UTCApr 20, 22:05 UTC1h 5m
2026-04-20 RDHK723 - Apr 20, 19:45 UTCApr 20, 19:55 UTC10m
2026-04-16 RDHK723 - Apr 16, 03:34 UTCApr 16, 03:55 UTC20m
2026-04-16 RDHK723 - Apr 16, 01:40 UTCApr 16, 02:24 UTC45m
2026-04-16 RDHK723 - Apr 16, 01:15 UTCApr 16, 01:30 UTC15m
2026-04-15 RDHK723 - Apr 15, 23:40 UTCApr 15, 23:55 UTC15m
2026-04-15 RDHK723 - Apr 15, 17:05 UTCApr 15, 18:10 UTC1h 5m
2026-04-15 RDHK723 - Apr 15, 15:05 UTCApr 15, 16:15 UTC1h 10m
2026-04-15 RDHK723 - Apr 15, 14:45 UTCApr 15, 14:55 UTC10m
2026-04-14 RDHK723 - Apr 14, 22:55 UTCApr 14, 23:30 UTC35m
2026-04-14 RDHK723 - Apr 14, 22:05 UTCApr 14, 22:50 UTC45m
2026-04-14 RDHK723 - Apr 14, 21:05 UTCApr 14, 21:35 UTC30m

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 168587 page for operator, model, and routing details .

Mode-S AE4D61 frequently asked

What is Mode-S code AE4D61?
AE4D61 is an ICAO 24-bit transponder address. Assigned to 168587.
Is AE4D61 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 AE4D61, octal 53446541, decimal 11,423,073.
What flights does AE4D61 operate?
Mode-S AE4D61 has broadcast 2 distinct callsigns, including RDHK723, HAWK723.