Apparatus

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sensors Mode-S transponder

AE50E8

ICAO 24-bit transponder address

Currently assigned to 10-20317 · SIKORSKY UH-60 Black Hawk

Hex
AE50E8
Octal
53450350
Decimal
11,423,976
Tail
10-20317
Type
H60
No current signal · last broadcast 22h ago
Flights observed
19
Distinct callsigns
1
Country
-
Last broadcast
22h ago

Last known position

Most recent position reported by Mode-S AE50E8.

Callsign history 1 distinct

Callsign Airline Flights Last seen
R20317 - 19 2026-05-29

Recent flights last 19

DateFlightRouteTakeoffLandingDuration
2026-05-29 R20317 - May 29, 03:40 UTCMay 29, 03:50 UTC10m
2026-05-29 R20317 - May 29, 02:05 UTCMay 29, 02:30 UTC25m
2026-05-28 R20317 HOP → HOP May 28, 23:20 UTCMay 29, 00:20 UTC1h 0m
2026-05-28 R20317 - May 28, 04:00 UTCMay 28, 04:45 UTC45m
2026-05-28 R20317 - May 28, 02:55 UTCMay 28, 03:30 UTC35m
2026-05-28 R20317 HOP → HOP May 28, 00:05 UTCMay 28, 01:35 UTC1h 30m
2026-05-19 R20317 - May 19, 01:45 UTCMay 19, 02:45 UTC1h 0m
2026-05-18 R20317 HOP → HOP May 18, 22:55 UTCMay 19, 00:10 UTC1h 15m
2026-05-16 R20317 - May 16, 16:00 UTCMay 16, 16:10 UTC10m
2026-05-16 R20317 - May 16, 15:01 UTCMay 16, 15:10 UTC10m
2026-05-14 R20317 - May 14, 17:15 UTCMay 14, 17:30 UTC15m
2026-05-13 R20317 - May 13, 17:40 UTCMay 13, 18:20 UTC40m
2026-05-13 R20317 - May 13, 16:05 UTCMay 13, 16:15 UTC10m
2026-05-12 R20317 - May 12, 16:35 UTCMay 12, 17:15 UTC40m
2026-05-12 R20317 - May 12, 15:45 UTCMay 12, 16:00 UTC15m
2026-05-12 R20317 - May 12, 03:05 UTCMay 12, 03:15 UTC10m
2026-04-28 R20317 - Apr 28, 19:05 UTCApr 28, 19:35 UTC30m
2026-04-28 R20317 - Apr 28, 18:10 UTCApr 28, 18:35 UTC25m
2026-04-21 R20317 - Apr 21, 02:00 UTCApr 21, 02:15 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 10-20317 page for operator, model, and routing details .

Mode-S AE50E8 frequently asked

What is Mode-S code AE50E8?
AE50E8 is an ICAO 24-bit transponder address. Assigned to 10-20317.
Is AE50E8 broadcasting right now?
No active broadcast right now. Last signal was 22h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AE50E8, octal 53450350, decimal 11,423,976.
What flights does AE50E8 operate?
Mode-S AE50E8 has broadcast 1 distinct callsign, including R20317.