Apparatus

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sensors Mode-S transponder

0090C5

ICAO 24-bit transponder address · allocated to South Africa

Currently assigned to ZT-HOT · AEROSPATIALE AS-350 Ecureuil

Hex
0090C5
Octal
00110305
Decimal
37,061
Country
ZA
Tail
ZT-HOT
Type
AS50
No current signal · last broadcast 1d ago
Flights observed
154
Distinct callsigns
1
Country
ZA
Last broadcast
1d ago

Last known position

Most recent position reported by Mode-S 0090C5.

Country allocation

The ICAO 24-bit address 0090C5 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
ZTHOT - 154 2026-07-12

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-12 ZTHOT - Jul 12, 15:15 UTCJul 12, 15:25 UTC10m
2026-07-12 ZTHOT - Jul 12, 10:45 UTCJul 12, 11:05 UTC20m
2026-07-12 ZTHOT - Jul 12, 09:50 UTCJul 12, 10:05 UTC15m
2026-07-12 ZTHOT - Jul 12, 08:01 UTCJul 12, 08:30 UTC30m
2026-07-11 ZTHOT - Jul 11, 12:50 UTCJul 11, 14:45 UTC1h 55m
2026-07-09 ZTHOT - Jul 9, 08:15 UTCJul 9, 08:55 UTC40m
2026-07-07 ZTHOT - Jul 7, 11:50 UTCJul 7, 12:05 UTC15m
2026-07-07 ZTHOT - Jul 7, 10:45 UTCJul 7, 10:55 UTC10m
2026-07-06 ZTHOT - Jul 6, 13:45 UTCJul 6, 14:35 UTC50m
2026-07-06 ZTHOT - Jul 6, 11:50 UTCJul 6, 12:05 UTC15m
2026-07-06 ZTHOT - Jul 6, 09:25 UTCJul 6, 10:00 UTC35m
2026-07-05 ZTHOT - Jul 5, 11:00 UTCJul 5, 11:40 UTC40m
2026-07-05 ZTHOT - Jul 5, 09:00 UTCJul 5, 09:10 UTC10m
2026-07-04 ZTHOT - Jul 4, 13:45 UTCJul 4, 14:00 UTC15m
2026-07-04 ZTHOT - Jul 4, 12:25 UTCJul 4, 13:15 UTC50m
2026-07-04 ZTHOT - Jul 4, 09:15 UTCJul 4, 09:55 UTC40m
2026-07-03 ZTHOT - Jul 3, 09:55 UTCJul 3, 10:25 UTC30m
2026-07-01 ZTHOT - Jul 1, 13:50 UTCJul 1, 14:00 UTC10m
2026-06-30 ZTHOT - Jun 30, 13:50 UTCJun 30, 14:15 UTC25m
2026-06-30 ZTHOT - Jun 30, 11:50 UTCJun 30, 12:50 UTC1h 0m
2026-06-30 ZTHOT - Jun 30, 11:05 UTCJun 30, 11:15 UTC10m
2026-06-30 ZTHOT - Jun 30, 09:30 UTCJun 30, 09:50 UTC20m
2026-06-30 ZTHOT - Jun 30, 08:00 UTCJun 30, 08:10 UTC10m
2026-06-29 ZTHOT - Jun 29, 13:49 UTCJun 29, 14:44 UTC55m
2026-06-29 ZTHOT - Jun 29, 11:25 UTCJun 29, 11:35 UTC10m
2026-06-29 ZTHOT - Jun 29, 08:04 UTCJun 29, 09:29 UTC1h 25m
2026-06-26 ZTHOT - Jun 26, 12:55 UTCJun 26, 13:04 UTC10m
2026-06-25 ZTHOT - Jun 25, 12:40 UTCJun 25, 13:05 UTC25m
2026-06-24 ZTHOT - Jun 24, 10:35 UTCJun 24, 10:45 UTC10m
2026-06-21 ZTHOT - Jun 21, 12:55 UTCJun 21, 13:09 UTC15m
2026-06-21 ZTHOT - Jun 21, 11:44 UTCJun 21, 11:55 UTC10m
2026-06-20 ZTHOT - Jun 20, 14:24 UTCJun 20, 14:39 UTC15m
2026-06-20 ZTHOT - Jun 20, 10:59 UTCJun 20, 11:40 UTC40m
2026-06-19 ZTHOT - Jun 19, 12:44 UTCJun 19, 12:59 UTC15m
2026-06-18 ZTHOT - Jun 18, 13:05 UTCJun 18, 13:20 UTC15m
2026-06-18 ZTHOT - Jun 18, 12:05 UTCJun 18, 12:20 UTC15m
2026-06-16 ZTHOT - Jun 16, 10:49 UTCJun 16, 11:15 UTC25m
2026-06-16 ZTHOT - Jun 16, 09:30 UTCJun 16, 09:40 UTC10m
2026-06-15 ZTHOT - Jun 15, 13:45 UTCJun 15, 14:05 UTC20m
2026-06-15 ZTHOT - Jun 15, 12:05 UTCJun 15, 12:15 UTC10m
2026-06-14 ZTHOT - Jun 14, 11:10 UTCJun 14, 11:35 UTC25m
2026-06-14 ZTHOT - Jun 14, 08:55 UTCJun 14, 09:15 UTC20m
2026-06-13 ZTHOT - Jun 13, 13:20 UTCJun 13, 13:30 UTC10m
2026-06-13 ZTHOT - Jun 13, 08:55 UTCJun 13, 10:10 UTC1h 15m
2026-06-12 ZTHOT - Jun 12, 14:35 UTCJun 12, 14:45 UTC10m
2026-06-12 ZTHOT - Jun 12, 13:40 UTCJun 12, 13:50 UTC10m
2026-06-12 ZTHOT - Jun 12, 09:55 UTCJun 12, 10:10 UTC15m
2026-06-10 ZTHOT - Jun 10, 11:20 UTCJun 10, 12:15 UTC55m
2026-06-10 ZTHOT - Jun 10, 09:55 UTCJun 10, 10:10 UTC15m
2026-06-09 ZTHOT - Jun 9, 12:00 UTCJun 9, 12:10 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 ZT-HOT page for operator, model, and routing details .

Mode-S 0090C5 frequently asked

What is Mode-S code 0090C5?
0090C5 is an ICAO 24-bit transponder address. Allocated to South Africa. Assigned to ZT-HOT.
Where is Mode-S 0090C5 registered?
Mode-S code 0090C5 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 0090C5 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 0090C5, octal 00110305, decimal 37,061.
What flights does 0090C5 operate?
Mode-S 0090C5 has broadcast 1 distinct callsign, including ZTHOT.