Apparatus

Try JFK, AAL1290, BAW, or N225AN.

sensors Mode-S transponder

4B1618

ICAO 24-bit transponder address · allocated to Switzerland

Currently assigned to HB-IJO · AIRBUS A-320

Hex
4B1618
Octal
22613030
Decimal
4,920,856
Country
CH
Tail
HB-IJO
Type
A320
No current signal · last broadcast Jul 26, 13:15 UTC
Flights observed
341
Distinct callsigns
20
Country
CH
Last broadcast
Jul 26, 13:15 UTC

Last known position

Most recent position reported by Mode-S 4B1618.

Country allocation

The ICAO 24-bit address 4B1618 falls within the block assigned to Switzerland (CH) by ICAO Annex 10, Volume III. Every aircraft registered in Switzerland 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 20 distinct

Callsign Airline Flights Last seen
SWR9TP Swiss International Air Lines 7 2026-07-23
SWR4VE - 7 2026-07-18
SWR4KB - 7 2026-07-17
SWR3ZK - 7 2026-07-23
SWR44X - 6 2026-06-20
SWR9YH - 5 2026-07-13
SWR8AD - 5 2026-06-21
SWR7VE - 5 2026-06-26
SWR7PE - 5 2026-07-19
SWR72L Swiss International Air Lines 5 2026-07-19
SWR3HY - 5 2026-07-21
SWR3AG - 5 2026-07-13
SWR291X Swiss International Air Lines 5 2026-07-21
SWR26W - 5 2026-06-26
SWR8QE - 4 2026-06-25
SWR7DC - 4 2026-06-25
SWR755L - 4 2026-06-23
SWR5AX Swiss International Air Lines 4 2026-06-24
SWR5AM - 4 2026-06-23
SWR52Y Swiss International Air Lines 4 2026-06-12

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 EDW7253 IBZ → ZRH Jul 26, 11:25 UTCJul 26, 13:10 UTC1h 45m
2026-07-25 EDW894T ZRH → IBZ Jul 25, 17:30 UTCJul 25, 19:15 UTC1h 45m
2026-07-25 EDW245Z PMI → ZRH Jul 25, 10:35 UTCJul 25, 12:05 UTC1h 30m
2026-07-25 EDW244Y ZRH → PMI Jul 25, 07:15 UTCJul 25, 08:45 UTC1h 30m
2026-07-24 SWR9GD - Jul 24, 18:00 UTCJul 24, 19:35 UTC1h 35m
2026-07-24 SWR3WZ ZRH → WAW Jul 24, 15:30 UTCJul 24, 17:00 UTC1h 30m
2026-07-23 SWR9TP GVA → ZRH Jul 23, 18:25 UTCJul 23, 18:50 UTC25m
2026-07-23 SWR3ZK ZRH → GVA Jul 23, 16:10 UTCJul 23, 16:45 UTC35m
2026-07-23 SWR5200 MST → AMM Jul 23, 09:20 UTCJul 23, 11:00 UTC1h 40m
2026-07-21 SWR1AM FRA → ZRH Jul 21, 17:15 UTCJul 21, 17:45 UTC30m
2026-07-21 SWR4B ZRH → FRA Jul 21, 15:30 UTCJul 21, 16:10 UTC40m
2026-07-21 SWR3HY - Jul 21, 09:25 UTCJul 21, 09:55 UTC30m
2026-07-21 SWR291X ZRH → GVA Jul 21, 07:30 UTCJul 21, 08:05 UTC35m
2026-07-20 SWR80K - Jul 20, 14:55 UTCJul 20, 16:20 UTC1h 25m
2026-07-20 SWR9EB ZRH → PMI Jul 20, 10:30 UTCJul 20, 12:00 UTC1h 30m
2026-07-19 SWR72L MUC → ZRH Jul 19, 19:25 UTCJul 19, 20:05 UTC40m
2026-07-19 SWR7PE ZRH → MUC Jul 19, 17:40 UTCJul 19, 18:20 UTC40m
2026-07-19 SWR2267 - Jul 19, 07:55 UTCJul 19, 09:35 UTC1h 40m
2026-07-19 SWR59H ZRH → DBV Jul 19, 05:30 UTCJul 19, 06:45 UTC1h 15m
2026-07-18 SWR9TP - Jul 18, 18:35 UTCJul 18, 19:00 UTC25m
2026-07-18 SWR3ZK ZRH → GVA Jul 18, 16:50 UTCJul 18, 17:15 UTC25m
2026-07-18 SWR731C - Jul 18, 10:25 UTCJul 18, 11:30 UTC1h 5m
2026-07-18 SWR92W ZRH → HAM Jul 18, 06:45 UTCJul 18, 07:50 UTC1h 5m
2026-07-18 SWR4VE BCN → ZRH Jul 18, 04:10 UTCJul 18, 05:35 UTC1h 25m
2026-07-17 SWR4KB ZRH → BCN Jul 17, 21:15 UTCJul 17, 22:45 UTC1h 30m
2026-07-17 SWR42V - Jul 17, 18:50 UTCJul 17, 19:35 UTC45m
2026-07-17 SWR1DE ZRH → CDG Jul 17, 16:44 UTCJul 17, 17:44 UTC1h 0m
2026-07-17 SWR3PT - Jul 17, 14:30 UTCJul 17, 15:05 UTC35m
2026-07-17 SWR533X ZRH → GVA Jul 17, 12:45 UTCJul 17, 13:10 UTC25m
2026-07-17 SWR3HY - Jul 17, 09:30 UTCJul 17, 10:00 UTC30m
2026-07-17 SWR291X ZRH → GVA Jul 17, 07:30 UTCJul 17, 07:55 UTC25m
2026-07-17 SWR3AP - Jul 17, 04:14 UTCJul 17, 06:00 UTC1h 45m
2026-07-16 SWR40L ZRH → VLC Jul 16, 21:15 UTCJul 16, 22:55 UTC1h 40m
2026-07-16 SWR5YG VCE → ZRH Jul 16, 18:05 UTCJul 16, 18:59 UTC55m
2026-07-16 SWR9CW - Jul 16, 16:09 UTCJul 16, 16:55 UTC45m
2026-07-16 SWR2LE - Jul 16, 13:05 UTCJul 16, 14:50 UTC1h 45m
2026-07-16 SWR2VF - Jul 16, 10:15 UTCJul 16, 11:54 UTC1h 40m
2026-07-16 SWR3ZC - Jul 16, 06:15 UTCJul 16, 06:45 UTC30m
2026-07-15 SWR4TH ZRH → GVA Jul 15, 19:25 UTCJul 15, 19:55 UTC30m
2026-07-15 SWR1AM FRA → ZRH Jul 15, 17:35 UTCJul 15, 18:20 UTC45m
2026-07-15 SWR4B ZRH → FRA Jul 15, 15:25 UTCJul 15, 16:10 UTC45m
2026-07-13 SWR9YH - Jul 13, 19:10 UTCJul 13, 19:45 UTC35m
2026-07-13 SWR3AG ZRH → LUX Jul 13, 17:30 UTCJul 13, 18:05 UTC35m
2026-07-13 SWR4KT - Jul 13, 09:15 UTCJul 13, 10:15 UTC1h 0m
2026-07-13 SWR3VL ZRH → LJU Jul 13, 07:15 UTCJul 13, 08:05 UTC50m
2026-07-12 SWR2EZ GVA → ZRH Jul 12, 17:20 UTCJul 12, 17:50 UTC30m
2026-07-12 SWR3CX ZRH → GVA Jul 12, 15:40 UTCJul 12, 16:15 UTC35m
2026-07-12 SWR5EZ ALC → ZRH Jul 12, 12:20 UTCJul 12, 14:10 UTC1h 50m
2026-07-12 SWR1V ZRH → ALC Jul 12, 08:45 UTCJul 12, 10:45 UTC2h 0m
2026-07-12 SWR3AP VLC → ZRH Jul 12, 04:15 UTCJul 12, 05:55 UTC1h 40m

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 HB-IJO page for operator, model, and routing details .

Mode-S 4B1618 frequently asked

What is Mode-S code 4B1618?
4B1618 is an ICAO 24-bit transponder address. Allocated to Switzerland. Assigned to HB-IJO.
Where is Mode-S 4B1618 registered?
Mode-S code 4B1618 is allocated to Switzerland (CH). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4B1618 broadcasting right now?
No active broadcast right now. Last signal was Jul 26, 13:15 UTC.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4B1618, octal 22613030, decimal 4,920,856.
What flights does 4B1618 operate?
Mode-S 4B1618 has broadcast 20 distinct callsigns, including SWR9TP, SWR4VE, SWR4KB, SWR3ZK, SWR44X.