Apparatus

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sensors Mode-S transponder

AE4FCC

ICAO 24-bit transponder address

Currently assigned to 168124 · SIKORSKY UH-60 Black Hawk

Hex
AE4FCC
Octal
53447714
Decimal
11,423,692
Tail
168124
Type
H60
No current signal · last broadcast 4d ago
Flights observed
26
Distinct callsigns
2
Country
-
Last broadcast
4d ago

Last known position

Most recent position reported by Mode-S AE4FCC.

Callsign history 2 distinct

Callsign Airline Flights Last seen
WL14 - 20 2026-07-09
FFAB123 - 6 2026-07-08

Recent flights last 26

DateFlightRouteTakeoffLandingDuration
2026-07-09 WL14 - Jul 9, 11:20 UTCJul 9, 13:00 UTC1h 40m
2026-07-09 WL14 - Jul 9, 10:10 UTCJul 9, 10:35 UTC25m
2026-07-09 WL14 - Jul 9, 07:55 UTCJul 9, 09:20 UTC1h 25m
2026-07-09 WL14 - Jul 9, 06:30 UTCJul 9, 07:20 UTC50m
2026-07-09 WL14 - Jul 9, 04:30 UTCJul 9, 04:45 UTC15m
2026-07-09 WL14 - Jul 9, 03:15 UTCJul 9, 03:55 UTC40m
2026-07-09 WL14 - Jul 9, 01:25 UTCJul 9, 02:15 UTC50m
2026-07-08 FFAB123 NJA → NJA Jul 8, 03:30 UTCJul 8, 12:50 UTC9h 20m
2026-07-08 FFAB123 - Jul 8, 01:40 UTCJul 8, 03:00 UTC1h 20m
2026-07-07 WL14 - Jul 7, 09:10 UTCJul 7, 12:50 UTC3h 40m
2026-07-07 WL14 - Jul 7, 07:55 UTCJul 7, 08:20 UTC25m
2026-07-07 WL14 - Jul 7, 04:50 UTCJul 7, 05:20 UTC30m
2026-07-01 FFAB123 NJA → NJA Jul 1, 08:10 UTCJul 1, 10:40 UTC2h 30m
2026-07-01 FFAB123 - Jul 1, 04:45 UTCJul 1, 07:20 UTC2h 35m
2026-07-01 FFAB123 - Jul 1, 02:40 UTCJul 1, 04:00 UTC1h 20m
2026-07-01 FFAB123 - Jul 1, 01:30 UTCJul 1, 01:55 UTC25m
2026-06-30 WL14 - Jun 30, 10:25 UTCJun 30, 13:05 UTC2h 40m
2026-06-30 WL14 NJA → NJA Jun 30, 07:25 UTCJun 30, 09:35 UTC2h 10m
2026-06-30 WL14 - Jun 30, 06:35 UTCJun 30, 06:50 UTC15m
2026-06-30 WL14 - Jun 30, 04:35 UTCJun 30, 06:00 UTC1h 25m
2026-06-30 WL14 - Jun 30, 01:09 UTCJun 30, 03:30 UTC2h 21m
2026-06-16 WL14 - Jun 16, 11:20 UTCJun 16, 12:50 UTC1h 30m
2026-06-16 WL14 - Jun 16, 10:20 UTCJun 16, 10:35 UTC15m
2026-06-16 WL14 - Jun 16, 06:59 UTCJun 16, 09:10 UTC2h 10m
2026-06-16 WL14 - Jun 16, 04:39 UTCJun 16, 06:20 UTC1h 40m
2026-06-16 WL14 - Jun 16, 03:45 UTCJun 16, 03:55 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 168124 page for operator, model, and routing details .

Mode-S AE4FCC frequently asked

What is Mode-S code AE4FCC?
AE4FCC is an ICAO 24-bit transponder address. Assigned to 168124.
Is AE4FCC broadcasting right now?
No active broadcast right now. Last signal was 4d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AE4FCC, octal 53447714, decimal 11,423,692.
What flights does AE4FCC operate?
Mode-S AE4FCC has broadcast 2 distinct callsigns, including WL14, FFAB123.