Apparatus

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sensors Mode-S transponder

008B25

ICAO 24-bit transponder address · allocated to South Africa

Currently assigned to ZS-EFC · BEECH 90 King Air

Hex
008B25
Octal
00105445
Decimal
35,621
Country
ZA
Tail
ZS-EFC
Type
BE9L
No current signal · last broadcast 1d ago
Flights observed
196
Distinct callsigns
2
Country
ZA
Last broadcast
1d ago

Last known position

Most recent position reported by Mode-S 008B25.

Country allocation

The ICAO 24-bit address 008B25 falls within the block assigned to South Africa (ZA) by ICAO Annex 10, Volume III. Every aircraft registered in South Africa 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
ZUMFA - 181 2026-07-12
ZSKDJ - 15 2026-07-11

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-12 ZUMFA - Jul 12, 14:25 UTCJul 12, 15:40 UTC1h 15m
2026-07-12 ZUMFA - Jul 12, 11:45 UTCJul 12, 12:30 UTC45m
2026-07-12 ZUMFA - Jul 12, 09:50 UTCJul 12, 10:35 UTC45m
2026-07-11 ZUMFA - Jul 11, 13:30 UTCJul 11, 14:10 UTC40m
2026-07-11 ZUMFA - Jul 11, 11:55 UTCJul 11, 12:55 UTC1h 0m
2026-07-11 ZUMFA - Jul 11, 09:50 UTCJul 11, 10:25 UTC35m
2026-07-11 ZSKDJ - Jul 11, 05:25 UTCJul 11, 08:40 UTC3h 15m
2026-07-09 ZUMFA - Jul 9, 06:35 UTCJul 9, 07:45 UTC1h 10m
2026-07-08 ZUMFA - Jul 8, 14:30 UTCJul 8, 15:30 UTC1h 0m
2026-07-08 ZUMFA - Jul 8, 12:25 UTCJul 8, 13:30 UTC1h 5m
2026-07-06 ZUMFA - Jul 6, 13:25 UTCJul 6, 14:10 UTC45m
2026-07-06 ZUMFA - Jul 6, 10:30 UTCJul 6, 11:45 UTC1h 15m
2026-07-03 ZUMFA - Jul 3, 12:05 UTCJul 3, 13:00 UTC55m
2026-07-03 ZUMFA - Jul 3, 09:35 UTCJul 3, 10:35 UTC1h 0m
2026-07-02 ZUMFA - Jul 2, 11:10 UTCJul 2, 11:30 UTC20m
2026-07-01 ZUMFA - Jul 1, 14:10 UTCJul 1, 14:30 UTC20m
2026-07-01 ZUMFA - Jul 1, 12:35 UTCJul 1, 13:30 UTC55m
2026-07-01 ZUMFA - Jul 1, 10:45 UTCJul 1, 11:20 UTC35m
2026-07-01 ZUMFA - Jul 1, 07:00 UTCJul 1, 07:20 UTC20m
2026-06-30 ZUMFA - Jun 30, 11:55 UTCJun 30, 13:25 UTC1h 30m
2026-06-30 ZUMFA - Jun 30, 11:05 UTCJun 30, 11:15 UTC10m
2026-06-30 ZUMFA - Jun 30, 06:50 UTCJun 30, 07:35 UTC45m
2026-06-30 ZUMFA - Jun 30, 05:55 UTCJun 30, 06:15 UTC20m
2026-06-29 ZSKDJ - Jun 29, 22:00 UTCJun 29, 22:39 UTC40m
2026-06-29 ZUMFA - Jun 29, 18:55 UTCJun 29, 20:24 UTC1h 30m
2026-06-29 ZSKDJ - Jun 29, 16:29 UTCJun 29, 16:39 UTC10m
2026-06-29 ZUMFA - Jun 29, 14:50 UTCJun 29, 16:19 UTC1h 30m
2026-06-29 ZUMFA - Jun 29, 12:09 UTCJun 29, 13:19 UTC1h 10m
2026-06-29 ZUMFA - Jun 29, 10:00 UTCJun 29, 10:55 UTC55m
2026-06-26 ZUMFA - Jun 26, 10:05 UTCJun 26, 10:39 UTC35m
2026-06-25 ZUMFA - Jun 25, 14:39 UTCJun 25, 14:59 UTC20m
2026-06-25 ZUMFA - Jun 25, 13:00 UTCJun 25, 13:55 UTC55m
2026-06-25 ZUMFA - Jun 25, 08:55 UTCJun 25, 09:20 UTC25m
2026-06-25 ZUMFA - Jun 25, 08:40 UTCJun 25, 08:50 UTC10m
2026-06-25 ZUMFA - Jun 25, 07:00 UTCJun 25, 07:39 UTC40m
2026-06-24 ZUMFA - Jun 24, 14:09 UTCJun 24, 15:14 UTC1h 5m
2026-06-24 ZUMFA - Jun 24, 12:40 UTCJun 24, 13:20 UTC40m
2026-06-24 ZUMFA - Jun 24, 10:45 UTCJun 24, 11:29 UTC45m
2026-06-21 ZUMFA - Jun 21, 14:10 UTCJun 21, 14:44 UTC35m
2026-06-21 ZUMFA - Jun 21, 11:34 UTCJun 21, 12:35 UTC1h 0m
2026-06-21 ZUMFA - Jun 21, 09:20 UTCJun 21, 10:34 UTC1h 15m
2026-06-21 ZUMFA - Jun 21, 07:25 UTCJun 21, 08:40 UTC1h 15m
2026-06-21 ZUMFA - Jun 21, 05:25 UTCJun 21, 05:49 UTC25m
2026-06-20 ZUMFA - Jun 20, 17:39 UTCJun 20, 18:10 UTC30m
2026-06-20 ZUMFA - Jun 20, 15:29 UTCJun 20, 16:19 UTC50m
2026-06-20 ZUMFA - Jun 20, 13:44 UTCJun 20, 14:44 UTC1h 0m
2026-06-20 ZUMFA - Jun 20, 12:09 UTCJun 20, 12:45 UTC35m
2026-06-20 ZUMFA - Jun 20, 10:34 UTCJun 20, 11:20 UTC45m
2026-06-20 ZUMFA - Jun 20, 07:49 UTCJun 20, 08:34 UTC45m
2026-06-19 ZUMFA - Jun 19, 12:34 UTCJun 19, 13:09 UTC35m

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 ZS-EFC page for operator, model, and routing details .

Mode-S 008B25 frequently asked

What is Mode-S code 008B25?
008B25 is an ICAO 24-bit transponder address. Allocated to South Africa. Assigned to ZS-EFC.
Where is Mode-S 008B25 registered?
Mode-S code 008B25 is allocated to South Africa (ZA). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 008B25 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 008B25, octal 00105445, decimal 35,621.
What flights does 008B25 operate?
Mode-S 008B25 has broadcast 2 distinct callsigns, including ZUMFA, ZSKDJ.