sensors Mode-S transponder

00A120

ICAO 24-bit transponder address · allocated to South Africa

Currently assigned to ZS-MNN · CESSNA 201 Centurion

Hex
00A120
Octal
00120440
Decimal
41,248
Country
ZA
Tail
ZS-MNN
Type
C210
No current signal · last broadcast 6h ago
Flights observed
201
Distinct callsigns
20
Country
ZA
Last broadcast
6h ago

Last known position

Most recent position reported by Mode-S 00A120.

Country allocation

The ICAO 24-bit address 00A120 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
SFR201 Safair 6 2026-05-23
SFR200 Safair 6 2026-05-23
SFR279 Safair 5 2026-05-22
SFR121 Safair 5 2026-05-22
SFR660 Safair 4 2026-05-27
SFR202 Safair 4 2026-05-23
SFR120 Safair 4 2026-05-22
SFR101 Safair 4 2026-04-16
SFR100 Safair 4 2026-04-16
SFR841 Safair 3 2026-05-26
SFR829 Safair 3 2026-05-21
SFR651 Safair 3 2026-05-18
SFR636 Safair 3 2026-05-26
SFR624 Safair 3 2026-05-15
SFR473 Safair 3 2026-05-22
SFR233 Safair 3 2026-05-23
SFR203 Safair 3 2026-05-23
SFR161 Safair 3 2026-05-27
SFR113 Safair 3 2026-04-16
SFR112 Safair 3 2026-04-16

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-05-29 SFR524 HLA → PLZ May 29, 15:10 UTCMay 29, 18:45 UTC3h 36m
2026-05-29 SFR306 CPT → HLA May 29, 12:35 UTCMay 29, 14:15 UTC1h 40m
2026-05-29 SFR305 HLA → CPT May 29, 09:45 UTCMay 29, 10:10 UTC25m
2026-05-28 SFR353 CPT → HLA May 28, 13:15 UTCMay 28, 14:55 UTC1h 40m
2026-05-28 SFR352 HLA → CPT May 28, 10:15 UTCMay 28, 12:10 UTC1h 55m
2026-05-28 SFR313 CPT → HLA May 28, 07:20 UTCMay 28, 08:55 UTC1h 35m
2026-05-27 SFR161 DUR → CPT May 27, 08:45 UTCMay 27, 12:25 UTC3h 40m
2026-05-27 SFR660 DUR → JNB May 27, 04:09 UTCMay 27, 07:45 UTC3h 35m
2026-05-26 SFR568 PLZ → CPT May 26, 17:09 UTCMay 26, 19:55 UTC2h 45m
2026-05-26 SFR637 HDS → CPT May 26, 13:45 UTCMay 26, 16:05 UTC2h 20m
2026-05-26 SFR636 CPT → HDS May 26, 10:25 UTCMay 26, 12:05 UTC1h 40m
2026-05-26 SFR841 BFN → CPT May 26, 04:45 UTCMay 26, 08:24 UTC3h 40m
2026-05-25 SFR135 PLZ → CPT May 25, 14:55 UTCMay 25, 17:55 UTC3h 0m
2026-05-25 SFR162 CPT → DUR May 25, 09:35 UTCMay 25, 14:05 UTC4h 30m
2026-05-24 SFR802 JNB → CPT May 24, 14:25 UTCMay 24, 16:20 UTC1h 55m
2026-05-24 SFR801 CPT → JNB May 24, 11:20 UTCMay 24, 13:10 UTC1h 50m
2026-05-24 SFR800 JNB → CPT May 24, 08:30 UTCMay 24, 10:25 UTC1h 55m
2026-05-24 SFR394 JNB → DUR May 24, 04:55 UTCMay 24, 07:25 UTC2h 30m
2026-05-23 SFR233 PLZ → JNB May 23, 19:00 UTCMay 23, 19:10 UTC10m
2026-05-23 SRR232 - May 23, 15:50 UTCMay 23, 16:05 UTC15m
2026-05-23 SFR203 CPT → JNB May 23, 13:05 UTCMay 23, 14:50 UTC1h 45m
2026-05-23 SFR202 JNB → CPT May 23, 10:15 UTCMay 23, 12:10 UTC1h 55m
2026-05-23 SFR201 CPT → JNB May 23, 07:05 UTCMay 23, 08:45 UTC1h 40m
2026-05-23 SFR200 JNB → CPT May 23, 04:10 UTCMay 23, 06:00 UTC1h 50m
2026-05-22 SFR279 DUR → JNB May 22, 17:10 UTCMay 22, 19:45 UTC2h 35m
2026-05-22 SFR120 CPT → JNB May 22, 14:30 UTCMay 22, 16:05 UTC1h 35m
2026-05-22 SFR121 JNB → CPT May 22, 11:40 UTCMay 22, 13:30 UTC1h 50m
2026-05-22 SFR474 HLA → DUR May 22, 07:50 UTCMay 22, 10:25 UTC2h 35m
2026-05-22 SFR473 DUR → HLA May 22, 04:10 UTCMay 22, 06:50 UTC2h 40m
2026-05-21 SFR829 HRE → JNB May 21, 14:30 UTCMay 21, 18:20 UTC3h 50m
2026-05-21 SFR811 HRE → JNB May 21, 05:20 UTCMay 21, 09:35 UTC4h 15m
2026-05-20 SFR829 HRE → JNB May 20, 14:30 UTCMay 20, 18:30 UTC4h 0m
2026-05-20 SFR360 JNB → PLZ May 20, 09:30 UTCMay 20, 13:05 UTC3h 35m
2026-05-19 SFR829 HRE → JNB May 19, 14:25 UTCMay 19, 18:25 UTC4h 0m
2026-05-19 SFR811 HRE → JNB May 19, 05:20 UTCMay 19, 10:10 UTC4h 50m
2026-05-18 SFR651 GRJ → JNB May 18, 11:05 UTCMay 18, 15:00 UTC3h 55m
2026-05-18 SFR633 PLZ → JNB May 18, 06:10 UTCMay 18, 09:55 UTC3h 45m
2026-05-17 SFR676 JNB → DUR May 17, 15:45 UTCMay 17, 18:15 UTC2h 30m
2026-05-17 SFR376 PLZ → JNB May 17, 11:05 UTCMay 17, 14:45 UTC3h 40m
2026-05-17 SFR805 CPT → JNB May 17, 08:10 UTCMay 17, 09:45 UTC1h 35m
2026-05-17 SFR804 JNB → CPT May 17, 05:10 UTCMay 17, 06:55 UTC1h 45m
2026-05-16 SFR233 PLZ → JNB May 16, 15:40 UTCMay 16, 19:00 UTC3h 20m
2026-05-16 SFR203 CPT → JNB May 16, 12:55 UTCMay 16, 14:41 UTC1h 45m
2026-05-16 SFR202 JNB → CPT May 16, 10:16 UTCMay 16, 12:05 UTC1h 50m
2026-05-16 SFR201 CPT → JNB May 16, 07:05 UTCMay 16, 08:51 UTC1h 45m
2026-05-16 SFR200 JNB → CPT May 16, 04:05 UTCMay 16, 06:10 UTC2h 6m
2026-05-15 SFR625 CPT → JNB May 15, 19:05 UTCMay 15, 20:40 UTC1h 35m
2026-05-15 SFR624 JNB → CPT May 15, 16:10 UTCMay 15, 18:15 UTC2h 5m
2026-05-14 SFR391 DUR → JNB May 14, 16:00 UTCMay 14, 18:30 UTC2h 30m
2026-05-14 SFR373 JNB → PLZ May 14, 11:25 UTCMay 14, 14:50 UTC3h 25m

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

Mode-S 00A120 frequently asked

What is Mode-S code 00A120?
00A120 is an ICAO 24-bit transponder address. Allocated to South Africa. Assigned to ZS-MNN.
Where is Mode-S 00A120 registered?
Mode-S code 00A120 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 00A120 broadcasting right now?
No active broadcast right now. Last signal was 6h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 00A120, octal 00120440, decimal 41,248.
What flights does 00A120 operate?
Mode-S 00A120 has broadcast 20 distinct callsigns, including SFR201, SFR200, SFR279, SFR121, SFR660.