sensors Mode-S transponder

AE52F9

ICAO 24-bit transponder address

Currently assigned to 12-08105 · BOEING-VERTOL CH-47 Chinook

Hex
AE52F9
Octal
53451371
Decimal
11,424,505
Tail
12-08105
Type
H47
No current signal · last broadcast 1d ago
Flights observed
6
Distinct callsigns
1
Country
-
Last broadcast
1d ago

Last known position

Most recent position reported by Mode-S AE52F9.

Callsign history 1 distinct

Callsign Airline Flights Last seen
YETI36 - 6 2026-05-28

Recent flights last 6

DateFlightRouteTakeoffLandingDuration
2026-05-28 YETI36 FBK → FRN May 28, 19:25 UTCMay 28, 21:50 UTC2h 25m
2026-05-27 YETI36 FBK → FBK May 27, 22:50 UTCMay 27, 22:55 UTC5m
2026-05-27 YETI36 FRN → FBK May 27, 17:35 UTCMay 27, 19:40 UTC2h 5m
2026-05-19 YETI36 FRN → FRN May 19, 19:15 UTCMay 19, 19:50 UTC35m
2026-05-15 YETI36 FRN → FRN May 15, 22:50 UTCMay 15, 23:20 UTC30m
2026-04-29 YETI36 FRN → FRN Apr 29, 01:35 UTCApr 29, 01:40 UTC5m

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 12-08105 page for operator, model, and routing details .

Mode-S AE52F9 frequently asked

What is Mode-S code AE52F9?
AE52F9 is an ICAO 24-bit transponder address. Assigned to 12-08105.
Is AE52F9 broadcasting right now?
No active broadcast right now. Last signal was 1d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex AE52F9, octal 53451371, decimal 11,424,505.
What flights does AE52F9 operate?
Mode-S AE52F9 has broadcast 1 distinct callsign, including YETI36.