sensors Mode-S transponder

AE4D5B

ICAO 24-bit transponder address

Currently assigned to 168581 · SIKORSKY UH-60 Black Hawk

Hex
AE4D5B
Octal
53446533
Decimal
11,423,067
Tail
168581
Type
H60
No current signal · last broadcast 1h ago
Flights observed
19
Distinct callsigns
2
Country
-
Last broadcast
1h ago

Last known position

Most recent position reported by Mode-S AE4D5B.

Callsign history 2 distinct

Callsign Airline Flights Last seen
RDHK762 - 16 2026-05-29
RDHK000 - 2 2026-04-24

Recent flights last 19

DateFlightRouteTakeoffLandingDuration
2026-05-29 RDHK762 - May 29, 22:20 UTCMay 29, 23:50 UTC1h 30m
2026-05-29 RDHK762 - May 29, 18:00 UTCMay 29, 21:25 UTC3h 25m
2026-05-29 RDHK762 - May 29, 15:25 UTCMay 29, 16:45 UTC1h 21m
2026-05-29 RDHK762 - May 29, 04:00 UTCMay 29, 04:15 UTC15m
2026-05-29 RDHK762 - May 29, 02:40 UTCMay 29, 03:30 UTC50m
2026-05-29 RDHK762 - May 29, 01:55 UTCMay 29, 02:05 UTC10m
2026-05-28 RDHK762 - May 28, 21:20 UTCMay 29, 01:15 UTC3h 55m
2026-05-28 RDHK762 - May 28, 20:20 UTCMay 28, 21:05 UTC45m
2026-05-28 RDHK762 - May 28, 18:10 UTCMay 28, 18:35 UTC25m
2026-05-27 RDHK762 - May 27, 19:45 UTCMay 27, 20:40 UTC55m
2026-05-27 RDHK762 NGU → FAF May 27, 18:35 UTCMay 27, 19:00 UTC25m
2026-05-27 RDHK762 - May 27, 15:55 UTCMay 27, 18:25 UTC2h 30m
2026-05-27 RDHK762 - May 27, 14:45 UTCMay 27, 14:55 UTC10m
2026-04-30 RDHK762 FAF → NGU Apr 30, 22:25 UTCApr 30, 22:55 UTC30m
2026-04-30 RDHK762 - Apr 30, 20:15 UTCApr 30, 21:00 UTC45m
2026-04-30 RDHK762 - Apr 30, 18:50 UTCApr 30, 19:25 UTC35m
2026-04-24 RDHK000 - Apr 24, 15:50 UTCApr 24, 18:15 UTC2h 25m
2026-04-23 RDHK000 - Apr 23, 21:20 UTCApr 23, 21:55 UTC35m
2026-04-23 - NGU → NGU Apr 23, 19:40 UTCApr 23, 19:55 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 168581 page for operator, model, and routing details .

Mode-S AE4D5B frequently asked

What is Mode-S code AE4D5B?
AE4D5B is an ICAO 24-bit transponder address. Assigned to 168581.
Is AE4D5B broadcasting right now?
No active broadcast right now. Last signal was 1h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AE4D5B, octal 53446533, decimal 11,423,067.
What flights does AE4D5B operate?
Mode-S AE4D5B has broadcast 2 distinct callsigns, including RDHK762, RDHK000.