Apparatus

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sensors Mode-S transponder

00874F

ICAO 24-bit transponder address · allocated to South Africa

Currently assigned to ZS-CTI · BEECH 200 Super King Air

Hex
00874F
Octal
00103517
Decimal
34,639
Country
ZA
Tail
ZS-CTI
Type
BE20
No current signal · last broadcast 7d ago
Flights observed
56
Distinct callsigns
1
Country
ZA
Last broadcast
7d ago

Last known position

Most recent position reported by Mode-S 00874F.

Country allocation

The ICAO 24-bit address 00874F 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 1 distinct

Callsign Airline Flights Last seen
ZSCTI - 56 2026-07-21

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-21 ZSCTI - Jul 21, 14:00 UTCJul 21, 14:25 UTC25m
2026-07-21 ZSCTI - Jul 21, 10:00 UTCJul 21, 10:40 UTC40m
2026-07-20 ZSCTI - Jul 20, 10:00 UTCJul 20, 10:25 UTC25m
2026-07-20 ZSCTI - Jul 20, 05:40 UTCJul 20, 06:10 UTC30m
2026-07-19 ZSCTI - Jul 19, 11:40 UTCJul 19, 12:10 UTC30m
2026-07-17 ZSCTI - Jul 17, 07:50 UTCJul 17, 08:25 UTC35m
2026-07-16 ZSCTI - Jul 16, 10:45 UTCJul 16, 11:15 UTC30m
2026-07-16 ZSCTI - Jul 16, 06:10 UTCJul 16, 06:40 UTC30m
2026-07-11 ZSCTI - Jul 11, 10:10 UTCJul 11, 10:30 UTC20m
2026-07-11 ZSCTI - Jul 11, 07:10 UTCJul 11, 07:40 UTC30m
2026-07-05 ZSCTI - Jul 5, 10:40 UTCJul 5, 11:15 UTC35m
2026-07-05 ZSCTI - Jul 5, 06:15 UTCJul 5, 06:50 UTC35m
2026-06-29 ZSCTI - Jun 29, 10:15 UTCJun 29, 15:00 UTC4h 45m
2026-06-25 ZSCTI - Jun 25, 10:50 UTCJun 25, 11:19 UTC30m
2026-06-25 ZSCTI - Jun 25, 08:40 UTCJun 25, 09:10 UTC30m
2026-06-23 ZSCTI - Jun 23, 11:29 UTCJun 23, 11:59 UTC30m
2026-06-23 ZSCTI - Jun 23, 04:25 UTCJun 23, 04:55 UTC30m
2026-06-20 ZSCTI - Jun 20, 08:19 UTCJun 20, 08:39 UTC20m
2026-06-20 ZSCTI - Jun 20, 05:44 UTCJun 20, 06:14 UTC30m
2026-06-18 ZSCTI HLA → CPT Jun 18, 12:30 UTCJun 18, 15:25 UTC2h 55m
2026-06-18 ZSCTI - Jun 18, 11:05 UTCJun 18, 11:15 UTC10m
2026-06-18 ZSCTI - Jun 18, 09:50 UTCJun 18, 10:25 UTC35m
2026-06-17 ZSCTI - Jun 17, 13:45 UTCJun 17, 14:25 UTC40m
2026-06-17 ZSCTI - Jun 17, 03:50 UTCJun 17, 06:35 UTC2h 45m
2026-06-13 ZSCTI - Jun 13, 14:00 UTCJun 13, 14:20 UTC20m
2026-06-13 ZSCTI - Jun 13, 11:00 UTCJun 13, 11:35 UTC35m
2026-06-13 ZSCTI - Jun 13, 09:00 UTCJun 13, 09:20 UTC20m
2026-06-13 ZSCTI - Jun 13, 06:45 UTCJun 13, 07:25 UTC40m
2026-06-12 ZSCTI - Jun 12, 10:05 UTCJun 12, 14:45 UTC4h 40m
2026-06-11 ZSCTI - Jun 11, 09:55 UTCJun 11, 10:15 UTC20m
2026-06-11 ZSCTI - Jun 11, 08:25 UTCJun 11, 09:00 UTC35m
2026-06-09 ZSCTI - Jun 9, 14:00 UTCJun 9, 14:20 UTC20m
2026-06-09 ZSCTI - Jun 9, 10:00 UTCJun 9, 10:45 UTC45m
2026-06-05 ZSCTI - Jun 5, 14:25 UTCJun 5, 14:50 UTC25m
2026-06-05 ZSCTI - Jun 5, 10:05 UTCJun 5, 10:45 UTC40m
2026-06-04 ZSCTI - Jun 4, 10:00 UTCJun 4, 15:35 UTC5h 35m
2026-05-25 ZSCTI - May 25, 13:50 UTCMay 25, 14:30 UTC40m
2026-05-25 ZSCTI - May 25, 10:05 UTCMay 25, 10:40 UTC35m
2026-05-21 ZSCTI - May 21, 10:55 UTCMay 21, 11:20 UTC25m
2026-05-21 ZSCTI - May 21, 07:25 UTCMay 21, 08:00 UTC35m
2026-05-18 ZSCTI CPT → CPT May 18, 05:15 UTCMay 18, 08:55 UTC3h 40m
2026-05-15 ZSCTI - May 15, 14:05 UTCMay 15, 14:35 UTC30m
2026-05-15 ZSCTI - May 15, 09:55 UTCMay 15, 10:40 UTC45m
2026-05-07 ZSCTI HLA → CPT May 7, 11:15 UTCMay 7, 14:30 UTC3h 15m
2026-05-07 ZSCTI - May 7, 08:45 UTCMay 7, 09:20 UTC35m
2026-05-07 ZSCTI - May 7, 05:35 UTCMay 7, 08:10 UTC2h 35m
2026-04-30 ZSCTI - Apr 30, 13:35 UTCApr 30, 14:00 UTC25m
2026-04-30 ZSCTI - Apr 30, 10:50 UTCApr 30, 11:30 UTC40m
2026-04-30 ZSCTI - Apr 30, 09:10 UTCApr 30, 09:35 UTC25m
2026-04-30 ZSCTI - Apr 30, 06:30 UTCApr 30, 07:05 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-CTI page for operator, model, and routing details .

Mode-S 00874F frequently asked

What is Mode-S code 00874F?
00874F is an ICAO 24-bit transponder address. Allocated to South Africa. Assigned to ZS-CTI.
Where is Mode-S 00874F registered?
Mode-S code 00874F 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 00874F broadcasting right now?
No active broadcast right now. Last signal was 7d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 00874F, octal 00103517, decimal 34,639.
What flights does 00874F operate?
Mode-S 00874F has broadcast 1 distinct callsign, including ZSCTI.