Apparatus

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sensors Mode-S transponder

AE0E17

ICAO 24-bit transponder address

Currently assigned to 88-26081 · SIKORSKY UH-60 Black Hawk

Hex
AE0E17
Octal
53407027
Decimal
11,406,871
Tail
88-26081
Type
H60
No current signal · last broadcast 16d ago
Flights observed
11
Distinct callsigns
3
Country
-
Last broadcast
16d ago

Last known position

Most recent position reported by Mode-S AE0E17.

Callsign history 3 distinct

Callsign Airline Flights Last seen
BARRIO81 - 7 2026-06-04
VALKRY81 - 2 2026-06-08
GUARD081 - 2 2026-07-14

Recent flights last 11

DateFlightRouteTakeoffLandingDuration
2026-07-14 GUARD081 - Jul 14, 21:15 UTCJul 14, 21:30 UTC15m
2026-07-14 GUARD081 - Jul 14, 14:40 UTCJul 14, 15:15 UTC35m
2026-06-08 VALKRY81 - Jun 8, 23:35 UTCJun 8, 23:50 UTC15m
2026-06-08 VALKRY81 - Jun 8, 15:04 UTCJun 8, 15:45 UTC40m
2026-06-04 BARRIO81 - Jun 4, 01:45 UTCJun 4, 02:20 UTC35m
2026-06-04 BARRIO81 - Jun 4, 00:45 UTCJun 4, 01:05 UTC20m
2026-05-15 BARRIO81 - May 15, 16:50 UTCMay 15, 17:30 UTC40m
2026-05-15 BARRIO81 - May 15, 16:25 UTCMay 15, 16:45 UTC20m
2026-05-11 BARRIO81 - May 11, 17:00 UTCMay 11, 18:50 UTC1h 50m
2026-05-06 BARRIO81 - May 6, 19:50 UTCMay 6, 20:35 UTC45m
2026-05-03 BARRIO81 - May 3, 18:55 UTCMay 3, 19:25 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 88-26081 page for operator, model, and routing details .

Mode-S AE0E17 frequently asked

What is Mode-S code AE0E17?
AE0E17 is an ICAO 24-bit transponder address. Assigned to 88-26081.
Is AE0E17 broadcasting right now?
No active broadcast right now. Last signal was 16d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AE0E17, octal 53407027, decimal 11,406,871.
What flights does AE0E17 operate?
Mode-S AE0E17 has broadcast 3 distinct callsigns, including BARRIO81, VALKRY81, GUARD081.