sensors Mode-S transponder

AE4FAF

ICAO 24-bit transponder address

Currently assigned to 168095 · SIKORSKY UH-60 Black Hawk

Hex
AE4FAF
Octal
53447657
Decimal
11,423,663
Tail
168095
Type
H60
No current signal · last broadcast 38m ago
Flights observed
12
Distinct callsigns
2
Country
-
Last broadcast
38m ago

Last known position

Most recent position reported by Mode-S AE4FAF.

Callsign history 2 distinct

Callsign Airline Flights Last seen
HEX33 - 11 2026-04-30
FFAB123 - 1 2026-04-30

Recent flights last 12

DateFlightRouteTakeoffLandingDuration
2026-04-30 FFAB123 - Apr 30, 21:35 UTCApr 30, 21:45 UTC10m
2026-04-30 HEX33 - Apr 30, 19:15 UTCApr 30, 19:55 UTC40m
2026-04-30 HEX33 - Apr 30, 16:30 UTCApr 30, 16:40 UTC10m
2026-04-29 HEX33 NZY → NZY Apr 29, 17:45 UTCApr 29, 18:30 UTC45m
2026-04-24 HEX33 - Apr 24, 02:00 UTCApr 24, 04:35 UTC2h 35m
2026-04-23 HEX33 - Apr 23, 22:50 UTCApr 24, 00:00 UTC1h 10m
2026-04-23 HEX33 - Apr 23, 02:15 UTCApr 23, 04:35 UTC2h 20m
2026-04-23 HEX33 NZY → NZY Apr 23, 00:50 UTCApr 23, 01:40 UTC50m
2026-04-22 HEX33 - Apr 22, 23:10 UTCApr 23, 00:10 UTC1h 0m
2026-04-22 HEX33 - Apr 22, 21:15 UTCApr 22, 22:25 UTC1h 10m
2026-04-20 HEX33 - Apr 20, 20:40 UTCApr 20, 20:55 UTC15m
2026-04-20 HEX33 NZY → NZY Apr 20, 19:05 UTCApr 20, 20:05 UTC1h 0m

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 168095 page for operator, model, and routing details .

Mode-S AE4FAF frequently asked

What is Mode-S code AE4FAF?
AE4FAF is an ICAO 24-bit transponder address. Assigned to 168095.
Is AE4FAF broadcasting right now?
No active broadcast right now. Last signal was 38m ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AE4FAF, octal 53447657, decimal 11,423,663.
What flights does AE4FAF operate?
Mode-S AE4FAF has broadcast 2 distinct callsigns, including HEX33, FFAB123.