sensors Mode-S transponder

AE511D

ICAO 24-bit transponder address

Currently assigned to 10-20307 · SIKORSKY UH-60 Black Hawk

Hex
AE511D
Octal
53450435
Decimal
11,424,029
Tail
10-20307
Type
H60
No current signal · last broadcast 4d ago
Flights observed
37
Distinct callsigns
1
Country
-
Last broadcast
4d ago

Last known position

Most recent position reported by Mode-S AE511D.

Callsign history 1 distinct

Callsign Airline Flights Last seen
G20307 - 37 2026-07-10

Recent flights last 37

DateFlightRouteTakeoffLandingDuration
2026-07-10 G20307 - Jul 10, 00:35 UTCJul 10, 01:50 UTC1h 15m
2026-07-09 G20307 - Jul 9, 22:50 UTCJul 9, 23:00 UTC10m
2026-07-09 G20307 - Jul 9, 22:00 UTCJul 9, 22:15 UTC15m
2026-07-08 G20307 WDR → WDR Jul 8, 14:40 UTCJul 8, 15:45 UTC1h 5m
2026-07-02 G20307 WDR → WDR Jul 2, 01:40 UTCJul 2, 03:05 UTC1h 25m
2026-07-01 G20307 - Jul 1, 12:45 UTCJul 1, 14:15 UTC1h 30m
2026-07-01 G20307 - Jul 1, 02:40 UTCJul 1, 02:55 UTC15m
2026-07-01 G20307 WDR → PDK Jul 1, 01:15 UTCJul 1, 02:00 UTC45m
2026-06-26 G20307 - Jun 26, 17:19 UTCJun 26, 19:00 UTC1h 40m
2026-06-26 G20307 WDR → WDR Jun 26, 03:29 UTCJun 26, 03:50 UTC20m
2026-06-26 G20307 - Jun 26, 02:20 UTCJun 26, 02:50 UTC30m
2026-06-25 G20307 - Jun 25, 23:30 UTCJun 25, 23:49 UTC20m
2026-06-25 G20307 - Jun 25, 22:39 UTCJun 25, 22:59 UTC20m
2026-06-24 G20307 - Jun 24, 01:39 UTCJun 24, 03:10 UTC1h 30m
2026-06-23 G20307 - Jun 23, 22:10 UTCJun 23, 22:44 UTC35m
2026-06-23 G20307 - Jun 23, 20:59 UTCJun 23, 21:39 UTC40m
2026-06-18 G20307 WDR → WDR Jun 18, 18:00 UTCJun 18, 19:10 UTC1h 10m
2026-06-18 G20307 - Jun 18, 14:10 UTCJun 18, 15:50 UTC1h 40m
2026-06-17 G20307 - Jun 17, 19:15 UTCJun 17, 20:30 UTC1h 15m
2026-06-17 G20307 - Jun 17, 15:15 UTCJun 17, 15:55 UTC40m
2026-06-15 G20307 - Jun 15, 19:14 UTCJun 15, 20:54 UTC1h 40m
2026-06-15 G20307 - Jun 15, 14:24 UTCJun 15, 16:04 UTC1h 40m
2026-05-29 G20307 WDR → WDR May 29, 18:30 UTCMay 29, 18:55 UTC25m
2026-05-29 G20307 WDR → WDR May 29, 17:25 UTCMay 29, 17:40 UTC15m
2026-05-14 G20307 - May 14, 20:35 UTCMay 14, 20:55 UTC20m
2026-05-14 G20307 - May 14, 14:35 UTCMay 14, 14:55 UTC20m
2026-05-12 G20307 - May 12, 19:05 UTCMay 12, 20:50 UTC1h 45m
2026-05-12 G20307 WDR → BHM May 12, 15:05 UTCMay 12, 16:50 UTC1h 45m
2026-05-01 G20307 - May 1, 14:15 UTCMay 1, 15:40 UTC1h 25m
2026-04-26 G20307 - Apr 26, 17:20 UTCApr 26, 18:10 UTC50m
2026-04-24 G20307 - Apr 24, 17:15 UTCApr 24, 18:10 UTC55m
2026-04-24 G20307 WDR → WDR Apr 24, 00:35 UTCApr 24, 01:30 UTC55m
2026-04-23 G20307 WDR → WDR Apr 23, 19:20 UTCApr 23, 20:05 UTC45m
2026-04-14 G20307 - Apr 14, 18:55 UTCApr 14, 19:10 UTC15m
2026-04-14 G20307 - Apr 14, 17:35 UTCApr 14, 17:55 UTC20m
2026-04-14 G20307 - Apr 14, 14:50 UTCApr 14, 15:55 UTC1h 5m
2026-04-14 G20307 - Apr 14, 14:20 UTCApr 14, 14:45 UTC25m

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 10-20307 page for operator, model, and routing details .

Mode-S AE511D frequently asked

What is Mode-S code AE511D?
AE511D is an ICAO 24-bit transponder address. Assigned to 10-20307.
Is AE511D broadcasting right now?
No active broadcast right now. Last signal was 4d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AE511D, octal 53450435, decimal 11,424,029.
What flights does AE511D operate?
Mode-S AE511D has broadcast 1 distinct callsign, including G20307.