Apparatus

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sensors Mode-S transponder

AE1DE0

ICAO 24-bit transponder address

Currently assigned to 166557 · SIKORSKY UH-60 Black Hawk

Hex
AE1DE0
Octal
53416740
Decimal
11,410,912
Tail
166557
Type
H60
No current signal · last broadcast 3d ago
Flights observed
11
Distinct callsigns
3
Country
-
Last broadcast
3d ago

Last known position

Most recent position reported by Mode-S AE1DE0.

Callsign history 3 distinct

Callsign Airline Flights Last seen
VVNW603 - 8 2026-07-09
FFAB123 - 2 2026-07-11
FFNW603 - 1 2026-07-08

Recent flights last 11

DateFlightRouteTakeoffLandingDuration
2026-07-11 FFAB123 - Jul 11, 15:45 UTCJul 11, 16:35 UTC50m
2026-07-09 VVNW603 - Jul 9, 23:20 UTCJul 10, 00:00 UTC40m
2026-07-09 VVNW603 - Jul 9, 22:25 UTCJul 9, 22:40 UTC15m
2026-07-08 VVNW603 - Jul 8, 23:20 UTCJul 8, 23:30 UTC10m
2026-07-08 VVNW603 - Jul 8, 19:35 UTCJul 8, 20:30 UTC55m
2026-07-08 VVNW603 - Jul 8, 18:25 UTCJul 8, 19:00 UTC35m
2026-07-08 FFNW603 - Jul 8, 14:05 UTCJul 8, 15:05 UTC1h 0m
2026-06-25 VVNW603 - Jun 25, 00:44 UTCJun 25, 01:19 UTC35m
2026-06-23 FFAB123 - Jun 23, 17:15 UTCJun 23, 20:04 UTC2h 50m
2026-06-02 VVNW603 - Jun 2, 19:35 UTCJun 2, 20:20 UTC45m
2026-05-27 VVNW603 - May 27, 16:55 UTCMay 27, 17:05 UTC10m

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 166557 page for operator, model, and routing details .

Mode-S AE1DE0 frequently asked

What is Mode-S code AE1DE0?
AE1DE0 is an ICAO 24-bit transponder address. Assigned to 166557.
Is AE1DE0 broadcasting right now?
No active broadcast right now. Last signal was 3d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AE1DE0, octal 53416740, decimal 11,410,912.
What flights does AE1DE0 operate?
Mode-S AE1DE0 has broadcast 3 distinct callsigns, including VVNW603, FFAB123, FFNW603.