Apparatus

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sensors Mode-S transponder

AE50DA

ICAO 24-bit transponder address

Currently assigned to 10-20282 · SIKORSKY UH-60 Black Hawk

Hex
AE50DA
Octal
53450332
Decimal
11,423,962
Tail
10-20282
Type
H60
No current signal · last broadcast 16h ago
Flights observed
4
Distinct callsigns
3
Country
-
Last broadcast
16h ago

Last known position

Most recent position reported by Mode-S AE50DA.

Callsign history 3 distinct

Callsign Airline Flights Last seen
SPUD28 - 2 2026-06-02
SUPRT73 - 1 2026-05-27
SUPRT21 - 1 2026-06-04

Recent flights last 4

DateFlightRouteTakeoffLandingDuration
2026-06-04 SUPRT21 - Jun 4, 01:25 UTCJun 4, 01:45 UTC20m
2026-06-02 SPUD28 - Jun 2, 14:55 UTCJun 2, 15:55 UTC1h 0m
2026-06-02 SPUD28 - Jun 2, 13:30 UTCJun 2, 14:15 UTC45m
2026-05-27 SUPRT73 - May 27, 13:20 UTCMay 27, 13:35 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 10-20282 page for operator, model, and routing details .

Mode-S AE50DA frequently asked

What is Mode-S code AE50DA?
AE50DA is an ICAO 24-bit transponder address. Assigned to 10-20282.
Is AE50DA broadcasting right now?
No active broadcast right now. Last signal was 16h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AE50DA, octal 53450332, decimal 11,423,962.
What flights does AE50DA operate?
Mode-S AE50DA has broadcast 3 distinct callsigns, including SPUD28, SUPRT73, SUPRT21.