sensors Mode-S transponder

46BC4B

ICAO 24-bit transponder address · allocated to Greece

Currently assigned to SX-OBK · ATR-72-600

Hex
46BC4B
Octal
21536113
Decimal
4,635,723
Country
GR
Tail
SX-OBK
Type
AT76
No current signal · last broadcast 16h ago
Flights observed
13
Distinct callsigns
12
Country
GR
Last broadcast
16h ago

Last known position

Most recent position reported by Mode-S 46BC4B.

Country allocation

The ICAO 24-bit address 46BC4B falls within the block assigned to Greece (GR) by ICAO Annex 10, Volume III. Every aircraft registered in Greece receives a permanent address from this block at the time of registration; the address stays with the airframe even if the aircraft is re-registered to a different operator within the country.

Callsign history 12 distinct

Callsign Airline Flights Last seen
OAL066 - 2 2026-04-13
OAL1NX - 1 2026-04-13
OAL1NG Olympic Airlines 1 2026-04-13
OAL067 - 1 2026-04-13
OAL013 - 1 2026-04-13
OAL012 - 1 2026-04-13
AEE6SM - 1 2026-04-13
AEE2MJ - 1 2026-04-14
AEE253 - 1 2026-04-14
AEE247 - 1 2026-04-13
AEE167 - 1 2026-04-13
AEE166 - 1 2026-04-13

Recent flights last 13

DateFlightRouteTakeoffLandingDuration
2026-04-14 AEE253 - Apr 14, 09:10 UTCApr 14, 09:45 UTC35m
2026-04-14 AEE2MJ ATH → MJT Apr 14, 07:40 UTCApr 14, 08:20 UTC40m
2026-04-13 AEE167 - Apr 13, 20:15 UTCApr 13, 20:45 UTC30m
2026-04-13 AEE166 - Apr 13, 18:05 UTCApr 13, 18:45 UTC40m
2026-04-13 AEE247 - Apr 13, 16:30 UTCApr 13, 17:10 UTC40m
2026-04-13 AEE6SM - Apr 13, 14:15 UTCApr 13, 14:50 UTC35m
2026-04-13 OAL067 - Apr 13, 12:50 UTCApr 13, 13:15 UTC25m
2026-04-13 OAL066 - Apr 13, 11:55 UTCApr 13, 12:05 UTC10m
2026-04-13 OAL066 - Apr 13, 11:40 UTCApr 13, 12:05 UTC25m
2026-04-13 OAL013 - Apr 13, 10:10 UTCApr 13, 10:35 UTC25m
2026-04-13 OAL012 - Apr 13, 09:00 UTCApr 13, 09:20 UTC20m
2026-04-13 OAL1NX - Apr 13, 07:15 UTCApr 13, 07:40 UTC25m
2026-04-13 OAL1NG ATH → JNX Apr 13, 06:05 UTCApr 13, 06:30 UTC25m

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 SX-OBK page for operator, model, and routing details .

Mode-S 46BC4B frequently asked

What is Mode-S code 46BC4B?
46BC4B is an ICAO 24-bit transponder address. Allocated to Greece. Assigned to SX-OBK.
Where is Mode-S 46BC4B registered?
Mode-S code 46BC4B is allocated to Greece (GR). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 46BC4B broadcasting right now?
No active broadcast right now. Last signal was 16h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 46BC4B, octal 21536113, decimal 4,635,723.
What flights does 46BC4B operate?
Mode-S 46BC4B has broadcast 12 distinct callsigns, including OAL066, OAL1NX, OAL1NG, OAL067, OAL013.