Apparatus

Try JFK, AAL1290, BAW, or N225AN.

sensors Mode-S transponder

4613BA

ICAO 24-bit transponder address · allocated to Finland

Currently assigned to OH-HMG · AIRBUS HELICOPTERS EC-135/635

Hex
4613BA
Octal
21411672
Decimal
4,592,570
Country
FI
Tail
OH-HMG
Type
EC35
No current signal · last broadcast 2d ago
Flights observed
61
Distinct callsigns
2
Country
FI
Last broadcast
2d ago

Last known position

Most recent position reported by Mode-S 4613BA.

Country allocation

The ICAO 24-bit address 4613BA falls within the block assigned to Finland (FI) by ICAO Annex 10, Volume III. Every aircraft registered in Finland 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 2 distinct

Callsign Airline Flights Last seen
FIH40 - 59 2026-07-21
OHHMG - 2 2026-04-21

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-21 FIH40 - Jul 21, 21:55 UTCJul 21, 23:15 UTC1h 20m
2026-07-21 FIH40 - Jul 21, 19:35 UTCJul 21, 19:45 UTC10m
2026-07-21 FIH40 - Jul 21, 14:40 UTCJul 21, 15:20 UTC40m
2026-07-20 FIH40 - Jul 20, 22:05 UTCJul 20, 22:10 UTC5m
2026-07-19 FIH40 - Jul 19, 19:05 UTCJul 19, 20:00 UTC55m
2026-07-19 FIH40 - Jul 19, 17:30 UTCJul 19, 17:45 UTC15m
2026-07-17 FIH40 - Jul 17, 12:30 UTCJul 17, 12:55 UTC25m
2026-07-17 FIH40 - Jul 17, 11:50 UTCJul 17, 11:55 UTC5m
2026-07-17 FIH40 - Jul 17, 10:35 UTCJul 17, 10:50 UTC15m
2026-07-17 FIH40 - Jul 17, 02:25 UTCJul 17, 02:50 UTC25m
2026-07-16 FIH40 - Jul 16, 09:45 UTCJul 16, 10:45 UTC1h 0m
2026-07-16 FIH40 - Jul 16, 03:40 UTCJul 16, 04:20 UTC40m
2026-07-16 FIH40 - Jul 16, 02:55 UTCJul 16, 03:05 UTC10m
2026-07-14 FIH40 - Jul 14, 11:40 UTCJul 14, 11:55 UTC15m
2026-07-13 FIH40 - Jul 13, 10:55 UTCJul 13, 12:00 UTC1h 5m
2026-07-11 FIH40 - Jul 11, 21:10 UTCJul 11, 21:25 UTC15m
2026-07-08 FIH40 - Jul 8, 11:50 UTCJul 8, 12:20 UTC30m
2026-07-08 FIH40 - Jul 8, 11:00 UTCJul 8, 11:10 UTC10m
2026-07-08 FIH40 - Jul 8, 10:00 UTCJul 8, 10:40 UTC40m
2026-07-07 FIH40 - Jul 7, 21:40 UTCJul 7, 22:05 UTC25m
2026-07-07 FIH40 - Jul 7, 20:15 UTCJul 7, 20:55 UTC40m
2026-07-05 FIH40 - Jul 5, 15:15 UTCJul 5, 15:35 UTC20m
2026-07-03 FIH40 - Jul 3, 16:45 UTCJul 3, 17:05 UTC20m
2026-07-02 FIH40 - Jul 2, 17:55 UTCJul 2, 18:25 UTC30m
2026-06-30 FIH40 - Jun 30, 10:20 UTCJun 30, 11:10 UTC50m
2026-06-29 FIH40 - Jun 29, 17:49 UTCJun 29, 18:05 UTC15m
2026-06-28 FIH40 - Jun 28, 15:24 UTCJun 28, 15:34 UTC10m
2026-06-28 FIH40 - Jun 28, 14:04 UTCJun 28, 14:50 UTC45m
2026-06-26 FIH40 - Jun 26, 17:04 UTCJun 26, 17:19 UTC15m
2026-06-25 FIH40 - Jun 25, 18:19 UTCJun 25, 18:55 UTC35m
2026-06-25 FIH40 - Jun 25, 17:30 UTCJun 25, 17:39 UTC10m
2026-06-25 FIH40 - Jun 25, 10:25 UTCJun 25, 10:39 UTC15m
2026-06-25 FIH40 - Jun 25, 09:40 UTCJun 25, 09:55 UTC15m
2026-06-24 FIH40 - Jun 24, 16:45 UTCJun 24, 17:10 UTC25m
2026-06-24 FIH40 - Jun 24, 15:09 UTCJun 24, 15:49 UTC40m
2026-06-24 FIH40 - Jun 24, 13:00 UTCJun 24, 13:05 UTC5m
2026-06-24 FIH40 - Jun 24, 11:14 UTCJun 24, 11:54 UTC40m
2026-06-22 FIH40 - Jun 22, 06:39 UTCJun 22, 07:04 UTC25m
2026-06-21 FIH40 - Jun 21, 16:49 UTCJun 21, 16:54 UTC5m
2026-06-21 FIH40 - Jun 21, 08:10 UTCJun 21, 08:20 UTC10m
2026-06-20 FIH40 - Jun 20, 08:49 UTCJun 20, 09:19 UTC30m
2026-06-18 FIH40 - Jun 18, 00:25 UTCJun 18, 00:45 UTC20m
2026-06-16 FIH40 - Jun 16, 14:35 UTCJun 16, 14:50 UTC15m
2026-06-14 FIH40 - Jun 14, 17:50 UTCJun 14, 18:00 UTC10m
2026-06-14 FIH40 - Jun 14, 17:15 UTCJun 14, 17:20 UTC5m
2026-06-14 FIH40 - Jun 14, 16:35 UTCJun 14, 16:45 UTC10m
2026-06-14 FIH40 - Jun 14, 10:25 UTCJun 14, 11:00 UTC35m
2026-06-13 FIH40 - Jun 13, 12:50 UTCJun 13, 14:00 UTC1h 10m
2026-06-12 FIH40 - Jun 12, 15:50 UTCJun 12, 16:00 UTC10m
2026-06-10 FIH40 - Jun 10, 20:20 UTCJun 10, 20:30 UTC10m

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 OH-HMG page for operator, model, and routing details .

Mode-S 4613BA frequently asked

What is Mode-S code 4613BA?
4613BA is an ICAO 24-bit transponder address. Allocated to Finland. Assigned to OH-HMG.
Where is Mode-S 4613BA registered?
Mode-S code 4613BA is allocated to Finland (FI). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 4613BA broadcasting right now?
No active broadcast right now. Last signal was 2d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 4613BA, octal 21411672, decimal 4,592,570.
What flights does 4613BA operate?
Mode-S 4613BA has broadcast 2 distinct callsigns, including FIH40, OHHMG.