Apparatus

Try JFK, AAL1290, BAW, or N225AN.

sensors Mode-S transponder

4403BD

ICAO 24-bit transponder address · allocated to Austria

Currently assigned to OE-IIS · GULFSTREAM 5

Hex
4403BD
Octal
21001675
Decimal
4,457,405
Country
AT
Tail
OE-IIS
Type
GLF5
No current signal · last broadcast 1d ago
Flights observed
54
Distinct callsigns
1
Country
AT
Last broadcast
1d ago

Last known position

Most recent position reported by Mode-S 4403BD.

Country allocation

The ICAO 24-bit address 4403BD falls within the block assigned to Austria (AT) by ICAO Annex 10, Volume III. Every aircraft registered in Austria 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 1 distinct

Callsign Airline Flights Last seen
IJM572 - 54 2026-07-16

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-16 IJM572 - Jul 16, 13:54 UTCJul 16, 15:40 UTC1h 45m
2026-07-16 IJM572 - Jul 16, 11:45 UTCJul 16, 12:14 UTC30m
2026-07-14 IJM572 - Jul 14, 06:40 UTCJul 14, 07:05 UTC25m
2026-07-14 IJM572 - Jul 14, 03:50 UTCJul 14, 05:30 UTC1h 40m
2026-07-09 IJM572 - Jul 9, 13:00 UTCJul 9, 15:00 UTC2h 0m
2026-07-09 IJM572 - Jul 9, 10:55 UTCJul 9, 11:15 UTC20m
2026-07-05 IJM572 DBV → BSL Jul 5, 04:45 UTCJul 5, 06:20 UTC1h 35m
2026-07-03 IJM572 - Jul 3, 22:10 UTCJul 4, 08:00 UTC9h 50m
2026-07-02 IJM572 - Jul 2, 16:45 UTCJul 2, 18:50 UTC2h 5m
2026-06-28 IJM572 NCE → TEB Jun 28, 10:30 UTCJun 28, 18:44 UTC8h 15m
2026-06-28 IJM572 - Jun 28, 08:05 UTCJun 28, 08:39 UTC35m
2026-06-25 IJM572 - Jun 25, 21:35 UTCJun 26, 10:44 UTC13h 10m
2026-06-24 IJM572 - Jun 24, 18:44 UTCJun 25, 05:09 UTC10h 25m
2026-06-24 IJM572 - Jun 24, 09:49 UTCJun 24, 16:54 UTC7h 5m
2026-06-23 IJM572 - Jun 23, 18:55 UTCJun 23, 19:55 UTC1h 0m
2026-06-22 IJM572 MAD → BSL Jun 22, 13:39 UTCJun 22, 15:24 UTC1h 45m
2026-06-21 IJM572 - Jun 21, 15:30 UTCJun 21, 23:14 UTC7h 45m
2026-06-21 IJM572 - Jun 21, 13:09 UTCJun 21, 13:44 UTC35m
2026-06-20 IJM572 - Jun 20, 07:39 UTCJun 20, 18:10 UTC10h 30m
2026-06-20 IJM572 - Jun 20, 04:54 UTCJun 20, 05:54 UTC1h 0m
2026-06-12 IJM572 - Jun 12, 05:25 UTCJun 12, 06:55 UTC1h 30m
2026-06-11 IJM572 - Jun 11, 03:10 UTCJun 11, 12:40 UTC9h 30m
2026-06-09 IJM572 - Jun 9, 23:35 UTCJun 10, 10:10 UTC10h 35m
2026-06-09 IJM572 PRG → ZAZ Jun 9, 06:25 UTCJun 9, 08:30 UTC2h 5m
2026-06-08 IJM572 - Jun 8, 21:15 UTCJun 9, 05:25 UTC8h 10m
2026-06-04 IJM572 PRG → MDW Jun 4, 14:40 UTCJun 4, 23:45 UTC9h 5m
2026-06-04 IJM572 NCE → PRG Jun 4, 09:20 UTCJun 4, 10:30 UTC1h 10m
2026-06-03 IJM572 LAS → NCE Jun 3, 21:25 UTCJun 4, 07:50 UTC10h 25m
2026-06-01 IJM572 - Jun 1, 16:10 UTCJun 1, 20:50 UTC4h 40m
2026-05-29 IJM572 - May 29, 10:15 UTCMay 29, 19:10 UTC8h 55m
2026-05-29 IJM572 MAN → BBU May 29, 06:05 UTCMay 29, 08:50 UTC2h 45m
2026-05-27 IJM572 - May 27, 22:30 UTCMay 28, 06:30 UTC8h 0m
2026-05-26 IJM572 - May 26, 19:25 UTCMay 26, 21:44 UTC2h 20m
2026-05-26 IJM572 LIN → TEB May 26, 10:05 UTCMay 26, 18:10 UTC8h 5m
2026-05-23 IJM572 - May 23, 10:20 UTCMay 23, 11:25 UTC1h 5m
2026-05-21 IJM572 - May 21, 05:00 UTCMay 21, 17:25 UTC12h 25m
2026-05-16 IJM572 - May 16, 23:55 UTCMay 17, 07:10 UTC7h 15m
2026-05-13 IJM572 - May 13, 08:55 UTCMay 13, 16:30 UTC7h 35m
2026-05-13 IJM572 IBZ → AMS May 13, 05:30 UTCMay 13, 07:30 UTC2h 0m
2026-05-11 IJM572 - May 11, 01:20 UTCMay 11, 08:05 UTC6h 45m
2026-05-09 IJM572 - May 9, 12:10 UTCMay 9, 20:10 UTC8h 0m
2026-05-07 IJM572 - May 7, 22:00 UTCMay 8, 07:04 UTC9h 5m
2026-05-06 IJM572 - May 6, 14:55 UTCMay 6, 15:35 UTC40m
2026-05-02 IJM572 - May 2, 11:05 UTCMay 2, 21:05 UTC10h 0m
2026-05-01 IJM572 - May 1, 17:55 UTCMay 1, 18:30 UTC35m
2026-04-27 IJM572 - Apr 27, 11:50 UTCApr 27, 13:50 UTC2h 0m
2026-04-27 IJM572 - Apr 27, 00:10 UTCApr 27, 11:00 UTC10h 50m
2026-04-20 IJM572 - Apr 20, 11:20 UTCApr 20, 23:10 UTC11h 50m
2026-04-19 IJM572 - Apr 19, 17:25 UTCApr 19, 19:45 UTC2h 20m
2026-04-17 IJM572 - Apr 17, 09:40 UTCApr 17, 10:00 UTC20m

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 OE-IIS page for operator, model, and routing details .

Mode-S 4403BD frequently asked

What is Mode-S code 4403BD?
4403BD is an ICAO 24-bit transponder address. Allocated to Austria. Assigned to OE-IIS.
Where is Mode-S 4403BD registered?
Mode-S code 4403BD is allocated to Austria (AT). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4403BD 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 4403BD, octal 21001675, decimal 4,457,405.
What flights does 4403BD operate?
Mode-S 4403BD has broadcast 1 distinct callsign, including IJM572.