Apparatus

Try JFK, AAL1290, BAW, or N225AN.

sensors Mode-S transponder

00C77D

ICAO 24-bit transponder address · allocated to South Africa

Currently assigned to ZS-ZWG · BOEING 737-800

Hex
00C77D
Octal
00143575
Decimal
51,069
Country
ZA
Tail
ZS-ZWG
Type
B738
No current signal · last broadcast 20d ago
Flights observed
287
Distinct callsigns
20
Country
ZA
Last broadcast
20d ago

Last known position

Most recent position reported by Mode-S 00C77D.

Country allocation

The ICAO 24-bit address 00C77D 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 20 distinct

Callsign Airline Flights Last seen
SFR524 Safair 9 2026-05-17
SFR306 Safair 9 2026-05-17
SFR305 Safair 9 2026-05-17
SFR302 Safair 7 2026-05-16
SFR301 Safair 6 2026-05-16
SFR358 Safair 5 2026-04-30
SFR312 Safair 5 2026-05-18
SFR304 Safair 5 2026-05-13
SFR693 - 4 2026-06-23
SFR692 - 4 2026-06-23
SFR359 Safair 4 2026-04-30
SFR320 Safair 4 2026-05-16
SFR313 Safair 4 2026-05-14
SFR206 - 4 2026-06-24
SFR201 Safair 4 2026-06-05
SFR200 Safair 4 2026-06-05
SFR171 - 4 2026-06-23
SFR811 Safair 3 2026-06-08
SFR604 Safair 3 2026-06-10
SFR417 Safair 3 2026-05-29

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-06-24 SFR269 - Jun 24, 16:05 UTCJun 24, 18:34 UTC2h 30m
2026-06-24 SFR207 CPT → JNB Jun 24, 13:30 UTCJun 24, 15:09 UTC1h 40m
2026-06-24 SFR206 JNB → CPT Jun 24, 10:35 UTCJun 24, 12:34 UTC2h 0m
2026-06-23 SFR170 CPT → DUR Jun 23, 16:50 UTCJun 24, 05:05 UTC12h 15m
2026-06-23 SFR171 - Jun 23, 11:45 UTCJun 23, 15:44 UTC4h 0m
2026-06-23 SFR693 - Jun 23, 09:14 UTCJun 23, 10:49 UTC1h 35m
2026-06-23 SFR692 - Jun 23, 06:15 UTCJun 23, 08:20 UTC2h 5m
2026-06-22 SFR668 - Jun 22, 17:44 UTCJun 23, 05:00 UTC11h 15m
2026-06-22 SFR465 - Jun 22, 13:10 UTCJun 22, 16:54 UTC3h 45m
2026-06-22 SFR415 - Jun 22, 11:44 UTCJun 22, 12:15 UTC30m
2026-06-21 SFR170 CPT → DUR Jun 21, 16:34 UTCJun 22, 12:15 UTC19h 40m
2026-06-21 SFR171 - Jun 21, 11:49 UTCJun 21, 15:30 UTC3h 40m
2026-06-21 SFR693 - Jun 21, 09:10 UTCJun 21, 10:44 UTC1h 35m
2026-06-21 SFR692 - Jun 21, 06:14 UTCJun 21, 08:04 UTC1h 50m
2026-06-20 SFR414 - Jun 20, 10:20 UTCJun 21, 04:54 UTC18h 35m
2026-06-20 SFR413 - Jun 20, 06:49 UTCJun 20, 09:19 UTC2h 30m
2026-06-19 SFR424 - Jun 19, 17:49 UTCJun 20, 05:39 UTC11h 50m
2026-06-19 SFR464 - Jun 19, 13:14 UTCJun 19, 16:44 UTC3h 30m
2026-06-19 SFR415 - Jun 19, 08:40 UTCJun 19, 12:19 UTC3h 40m
2026-06-18 SFR462 CPT → CPT Jun 18, 16:35 UTCJun 19, 07:25 UTC14h 49m
2026-06-18 SFR171 - Jun 18, 11:50 UTCJun 18, 15:40 UTC3h 50m
2026-06-18 SFR693 - Jun 18, 09:05 UTCJun 18, 10:50 UTC1h 45m
2026-06-18 SFR692 - Jun 18, 06:20 UTCJun 18, 08:10 UTC1h 50m
2026-06-17 SFR381 - Jun 17, 12:50 UTCJun 17, 14:35 UTC1h 45m
2026-06-17 SFR380 - Jun 17, 10:15 UTCJun 17, 12:00 UTC1h 45m
2026-06-17 SFR283 - Jun 17, 06:10 UTCJun 17, 08:50 UTC2h 40m
2026-06-16 SFR170 CPT → DUR Jun 16, 16:39 UTCJun 17, 05:00 UTC12h 21m
2026-06-16 SFR171 DUR → CPT Jun 16, 11:49 UTCJun 16, 15:40 UTC3h 50m
2026-06-16 SFR693 - Jun 16, 09:10 UTCJun 16, 10:49 UTC1h 40m
2026-06-16 SFR692 - Jun 16, 06:20 UTCJun 16, 08:20 UTC2h 0m
2026-06-15 SFR839 BFN → JNB Jun 15, 18:10 UTCJun 15, 18:25 UTC15m
2026-06-15 SFR838 JNB → BFN Jun 15, 16:19 UTCJun 15, 16:40 UTC20m
2026-06-15 SFR379 ELS → JNB Jun 15, 12:00 UTCJun 15, 15:19 UTC3h 20m
2026-06-15 SFR453 DUR → JNB Jun 15, 08:20 UTCJun 15, 10:55 UTC2h 35m
2026-06-14 SFR239 PLZ → JNB Jun 14, 18:45 UTCJun 14, 19:00 UTC15m
2026-06-14 SFR238 JNB → PLZ Jun 14, 15:30 UTCJun 14, 15:50 UTC20m
2026-06-14 SFR213 CPT → JNB Jun 14, 12:40 UTCJun 14, 14:10 UTC1h 30m
2026-06-14 SFR212 JNB → CPT Jun 14, 09:45 UTCJun 14, 11:50 UTC2h 5m
2026-06-13 SFR385 - Jun 13, 14:35 UTCJun 13, 17:45 UTC3h 10m
2026-06-13 SFR387 ELS → JNB Jun 13, 10:20 UTCJun 13, 13:40 UTC3h 20m
2026-06-13 SFR223 GRJ → JNB Jun 13, 05:05 UTCJun 13, 09:00 UTC3h 55m
2026-06-12 SFR603 CPT → JNB Jun 12, 19:05 UTCJun 12, 20:35 UTC1h 30m
2026-06-12 SFR602 JNB → CPT Jun 12, 16:10 UTCJun 12, 18:10 UTC2h 0m
2026-06-12 SFR847 BFN → JNB Jun 12, 14:55 UTCJun 12, 15:15 UTC20m
2026-06-12 SFR846 JNB → BFN Jun 12, 12:55 UTCJun 12, 13:10 UTC15m
2026-06-12 SFR664 JNB → DUR Jun 12, 09:05 UTCJun 12, 11:35 UTC2h 30m
2026-06-12 SFR277 DUR → JNB Jun 12, 05:35 UTCJun 12, 08:10 UTC2h 35m
2026-06-11 SFR215 CPT → JNB Jun 11, 17:40 UTCJun 11, 19:10 UTC1h 30m
2026-06-11 SFR214 JNB → CPT Jun 11, 14:45 UTCJun 11, 16:45 UTC2h 0m
2026-06-11 SFR345 DUR → JNB Jun 11, 10:55 UTCJun 11, 13:30 UTC2h 35m

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-ZWG page for operator, model, and routing details .

Mode-S 00C77D frequently asked

What is Mode-S code 00C77D?
00C77D is an ICAO 24-bit transponder address. Allocated to South Africa. Assigned to ZS-ZWG.
Where is Mode-S 00C77D registered?
Mode-S code 00C77D 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 00C77D broadcasting right now?
No active broadcast right now. Last signal was 20d ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 00C77D, octal 00143575, decimal 51,069.
What flights does 00C77D operate?
Mode-S 00C77D has broadcast 20 distinct callsigns, including SFR524, SFR306, SFR305, SFR302, SFR301.