Apparatus

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sensors Mode-S transponder

AE4FB1

ICAO 24-bit transponder address

Currently assigned to 168097 · SIKORSKY UH-60 Black Hawk

Hex
AE4FB1
Octal
53447661
Decimal
11,423,665
Tail
168097
Type
H60
No current signal · last broadcast 13d ago
Flights observed
41
Distinct callsigns
2
Country
-
Last broadcast
13d ago

Last known position

Most recent position reported by Mode-S AE4FB1.

Callsign history 2 distinct

Callsign Airline Flights Last seen
VVHR503 - 40 2026-06-30
FFAB123 - 1 2026-04-29

Recent flights last 41

DateFlightRouteTakeoffLandingDuration
2026-06-30 VVHR503 - Jun 30, 21:55 UTCJun 30, 22:10 UTC15m
2026-06-30 VVHR503 - Jun 30, 20:30 UTCJun 30, 20:40 UTC10m
2026-06-30 VVHR503 - Jun 30, 17:15 UTCJun 30, 17:50 UTC35m
2026-06-26 VVHR503 - Jun 26, 22:34 UTCJun 27, 00:00 UTC1h 25m
2026-06-26 VVHR503 - Jun 26, 20:55 UTCJun 26, 21:39 UTC45m
2026-06-26 VVHR503 - Jun 26, 19:24 UTCJun 26, 20:24 UTC1h 0m
2026-06-20 VVHR503 - Jun 20, 04:09 UTCJun 20, 04:24 UTC15m
2026-06-17 VVHR503 - Jun 17, 00:20 UTCJun 17, 00:55 UTC35m
2026-06-16 VVHR503 - Jun 16, 22:15 UTCJun 16, 23:25 UTC1h 10m
2026-06-16 VVHR503 - Jun 16, 20:50 UTCJun 16, 21:35 UTC45m
2026-06-16 VVHR503 - Jun 16, 19:35 UTCJun 16, 19:55 UTC21m
2026-06-11 VVHR503 - Jun 11, 01:25 UTCJun 11, 02:00 UTC35m
2026-06-11 VVHR503 - Jun 11, 00:40 UTCJun 11, 00:50 UTC10m
2026-06-10 VVHR503 - Jun 10, 19:40 UTCJun 10, 19:55 UTC15m
2026-06-10 VVHR503 - Jun 10, 17:20 UTCJun 10, 18:55 UTC1h 35m
2026-06-10 VVHR503 - Jun 10, 02:15 UTCJun 10, 02:55 UTC40m
2026-06-09 VVHR503 - Jun 9, 20:50 UTCJun 9, 21:10 UTC20m
2026-06-05 VVHR503 - Jun 5, 02:25 UTCJun 5, 02:55 UTC30m
2026-06-05 VVHR503 - Jun 5, 00:00 UTCJun 5, 00:35 UTC35m
2026-06-04 VVHR503 - Jun 4, 22:00 UTCJun 4, 23:05 UTC1h 5m
2026-06-04 VVHR503 - Jun 4, 19:25 UTCJun 4, 19:35 UTC10m
2026-06-04 VVHR503 - Jun 4, 17:10 UTCJun 4, 17:30 UTC20m
2026-06-04 VVHR503 - Jun 4, 02:20 UTCJun 4, 02:40 UTC20m
2026-06-04 VVHR503 - Jun 4, 01:25 UTCJun 4, 01:40 UTC15m
2026-06-03 VVHR503 - Jun 3, 23:10 UTCJun 3, 23:30 UTC20m
2026-06-03 VVHR503 - Jun 3, 20:35 UTCJun 3, 20:45 UTC10m
2026-06-03 VVHR503 - Jun 3, 17:35 UTCJun 3, 17:55 UTC20m
2026-06-03 VVHR503 - Jun 3, 01:40 UTCJun 3, 02:25 UTC45m
2026-06-02 VVHR503 - Jun 2, 21:45 UTCJun 2, 23:25 UTC1h 40m
2026-06-02 VVHR503 - Jun 2, 19:00 UTCJun 2, 19:30 UTC30m
2026-06-02 VVHR503 - Jun 2, 17:10 UTCJun 2, 18:15 UTC1h 5m
2026-05-06 VVHR503 - May 6, 01:50 UTCMay 6, 02:01 UTC10m
2026-05-05 VVHR503 - May 5, 16:45 UTCMay 5, 17:10 UTC25m
2026-04-30 VVHR503 - Apr 30, 22:00 UTCApr 30, 22:25 UTC25m
2026-04-30 VVHR503 - Apr 30, 21:05 UTCApr 30, 21:30 UTC25m
2026-04-30 VVHR503 - Apr 30, 19:45 UTCApr 30, 20:20 UTC35m
2026-04-30 VVHR503 - Apr 30, 18:40 UTCApr 30, 18:55 UTC15m
2026-04-30 VVHR503 - Apr 30, 17:10 UTCApr 30, 17:55 UTC45m
2026-04-29 FFAB123 - Apr 29, 15:50 UTCApr 29, 16:10 UTC20m
2026-04-14 VVHR503 - Apr 14, 17:20 UTCApr 14, 17:50 UTC30m
2026-04-14 VVHR503 - Apr 14, 15:05 UTCApr 14, 15:45 UTC40m

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 168097 page for operator, model, and routing details .

Mode-S AE4FB1 frequently asked

What is Mode-S code AE4FB1?
AE4FB1 is an ICAO 24-bit transponder address. Assigned to 168097.
Is AE4FB1 broadcasting right now?
No active broadcast right now. Last signal was 13d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AE4FB1, octal 53447661, decimal 11,423,665.
What flights does AE4FB1 operate?
Mode-S AE4FB1 has broadcast 2 distinct callsigns, including VVHR503, FFAB123.