Apparatus

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sensors Mode-S transponder

AE4F6D

ICAO 24-bit transponder address

Currently assigned to 167025

Hex
AE4F6D
Octal
53447555
Decimal
11,423,597
Tail
167025
Type
H60
Broadcasting now · callsign FFAB123 · 300 ft
Flights observed
13
Distinct callsigns
2
Country
-
Last broadcast
33m ago

Current position

AE4F6D is currently broadcasting. Map zoomed to live position.

Callsign history 2 distinct

Callsign Airline Flights Last seen
FFAB123 - 9 2026-07-14
WL51 - 4 2026-07-08

Recent flights last 13

DateFlightRouteTakeoffLandingDuration
2026-07-14 FFAB123 - Jul 14, 10:55 UTCJul 14, 11:15 UTC20m
2026-07-14 FFAB123 - Jul 14, 07:55 UTCJul 14, 10:15 UTC2h 20m
2026-07-14 FFAB123 - Jul 14, 04:45 UTCJul 14, 07:20 UTC2h 35m
2026-07-14 FFAB123 NJA → NJA Jul 14, 01:30 UTCJul 14, 04:10 UTC2h 40m
2026-07-13 FFAB123 - Jul 13, 07:55 UTCJul 13, 11:00 UTC3h 5m
2026-07-08 WL51 NJA → NJA Jul 8, 09:00 UTCJul 8, 12:55 UTC3h 55m
2026-07-08 WL51 NJA → NJA Jul 8, 07:00 UTCJul 8, 08:25 UTC1h 25m
2026-07-08 WL51 - Jul 8, 03:10 UTCJul 8, 03:40 UTC30m
2026-07-08 WL51 - Jul 8, 02:00 UTCJul 8, 03:00 UTC1h 0m
2026-06-25 FFAB123 NJA → NJA Jun 25, 12:50 UTCJun 25, 14:14 UTC1h 25m
2026-06-25 FFAB123 - Jun 25, 09:45 UTCJun 25, 11:35 UTC1h 50m
2026-06-25 FFAB123 NJA → NJA Jun 25, 06:25 UTCJun 25, 07:05 UTC40m
2026-06-25 FFAB123 NJA → NJA Jun 25, 03:20 UTCJun 25, 05:50 UTC2h 30m

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 167025 page for operator, model, and routing details .

Mode-S AE4F6D frequently asked

What is Mode-S code AE4F6D?
AE4F6D is an ICAO 24-bit transponder address. Assigned to 167025.
Is AE4F6D broadcasting right now?
Yes. Mode-S AE4F6D is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AE4F6D, octal 53447555, decimal 11,423,597.
What flights does AE4F6D operate?
Mode-S AE4F6D has broadcast 2 distinct callsigns, including FFAB123, WL51.