sensors Mode-S transponder

0201BF

ICAO 24-bit transponder address · allocated to Morocco

Hex
0201BF
Octal
00400677
Decimal
131,519
Country
MA
No current signal · last broadcast 17h ago
Flights observed
123
Distinct callsigns
20
Country
MA
Last broadcast
17h ago

Last known position

Most recent position reported by Mode-S 0201BF.

Country allocation

The ICAO 24-bit address 0201BF falls within the block assigned to Morocco (MA) by ICAO Annex 10, Volume III. Every aircraft registered in Morocco 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
AOM133M - 5 2026-05-29
AOM179M - 4 2026-07-17
AOM156M - 4 2026-06-23
AOM154M - 4 2026-06-22
AOM152M - 4 2026-06-18
AOM143M - 4 2026-06-14
AOM127M - 4 2026-05-21
AOM111M - 4 2026-04-29
AOM104M - 4 2026-04-20
AOM177M - 3 2026-07-11
AOM172M - 3 2026-07-08
AOM167M - 3 2026-07-03
AOM163M - 3 2026-06-27
AOM139M - 3 2026-06-08
AOM136M - 3 2026-05-31
AOM131M - 3 2026-05-25
AOM130M - 3 2026-05-22
AOM128M - 3 2026-05-20
AOM126M - 3 2026-05-18
AOM124M - 3 2026-05-12

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-17 AOM179M - Jul 17, 10:40 UTCJul 17, 13:25 UTC2h 45m
2026-07-16 AOM179M - Jul 16, 17:20 UTCJul 16, 19:40 UTC2h 20m
2026-07-16 AOM179M - Jul 16, 16:19 UTCJul 16, 16:25 UTC5m
2026-07-15 AOM179M - Jul 15, 16:05 UTCJul 15, 16:30 UTC25m
2026-07-11 AOM177M - Jul 11, 16:00 UTCJul 11, 18:40 UTC2h 40m
2026-07-11 AOM177M - Jul 11, 12:05 UTCJul 11, 13:20 UTC1h 15m
2026-07-11 AOM177M - Jul 11, 09:10 UTCJul 11, 10:25 UTC1h 15m
2026-07-10 AOM175M - Jul 10, 15:30 UTCJul 10, 17:55 UTC2h 25m
2026-07-10 AOM175M - Jul 10, 13:05 UTCJul 10, 14:15 UTC1h 10m
2026-07-10 AOM174M - Jul 10, 08:25 UTCJul 10, 11:40 UTC3h 15m
2026-07-09 AOM174M - Jul 9, 17:45 UTCJul 9, 19:55 UTC2h 10m
2026-07-08 AOM172M - Jul 8, 15:25 UTCJul 8, 16:40 UTC1h 15m
2026-07-08 AOM172M - Jul 8, 12:15 UTCJul 8, 13:35 UTC1h 20m
2026-07-08 AOM172M - Jul 8, 10:05 UTCJul 8, 10:15 UTC10m
2026-07-03 AOM167M - Jul 3, 09:00 UTCJul 3, 11:30 UTC2h 30m
2026-07-02 AOM167M - Jul 2, 13:20 UTCJul 2, 16:05 UTC2h 45m
2026-07-02 AOM167M - Jul 2, 09:25 UTCJul 2, 10:15 UTC50m
2026-06-29 AOM161M - Jun 29, 05:54 UTCJun 29, 07:44 UTC1h 50m
2026-06-27 AOM164M - Jun 27, 17:55 UTCJun 27, 18:35 UTC40m
2026-06-27 AOM163M - Jun 27, 09:04 UTCJun 27, 09:44 UTC40m
2026-06-26 AOM163M - Jun 26, 13:40 UTCJun 26, 17:09 UTC3h 30m
2026-06-26 AOM163M - Jun 26, 09:45 UTCJun 26, 12:34 UTC2h 50m
2026-06-24 AOM159M - Jun 24, 10:39 UTCJun 24, 13:30 UTC2h 50m
2026-06-23 AOM156M - Jun 23, 14:25 UTCJun 23, 16:54 UTC2h 30m
2026-06-23 AOM156M - Jun 23, 10:15 UTCJun 23, 12:09 UTC1h 55m
2026-06-23 AOM156M - Jun 23, 07:19 UTCJun 23, 08:50 UTC1h 30m
2026-06-22 AOM156M - Jun 22, 15:45 UTCJun 22, 17:10 UTC1h 25m
2026-06-22 AOM154M - Jun 22, 11:00 UTCJun 22, 13:35 UTC2h 35m
2026-06-21 AOM154M - Jun 21, 13:54 UTCJun 21, 16:30 UTC2h 35m
2026-06-21 AOM154M - Jun 21, 11:30 UTCJun 21, 12:44 UTC1h 15m
2026-06-21 AOM154M - Jun 21, 08:30 UTCJun 21, 09:44 UTC1h 15m
2026-06-19 AOM150M - Jun 19, 23:49 UTCJun 20, 01:55 UTC2h 5m
2026-06-19 AOM150M - Jun 19, 20:09 UTCJun 19, 22:55 UTC2h 45m
2026-06-18 AOM152M - Jun 18, 21:30 UTCJun 19, 00:40 UTC3h 9m
2026-06-18 AOM152M CMN → PAD Jun 18, 16:30 UTCJun 18, 19:50 UTC3h 20m
2026-06-18 AOM152M - Jun 18, 14:30 UTCJun 18, 15:30 UTC1h 0m
2026-06-18 AOM152M - Jun 18, 10:25 UTCJun 18, 10:35 UTC10m
2026-06-14 AOM143M - Jun 14, 20:05 UTCJun 14, 22:50 UTC2h 45m
2026-06-12 AOM143M - Jun 12, 16:30 UTCJun 12, 19:05 UTC2h 35m
2026-06-12 AOM143M - Jun 12, 12:25 UTCJun 12, 15:20 UTC2h 55m
2026-06-12 AOM143M - Jun 12, 07:20 UTCJun 12, 10:55 UTC3h 35m
2026-06-10 AOM140M - Jun 10, 16:15 UTCJun 10, 19:30 UTC3h 15m
2026-06-10 AOM141M - Jun 10, 13:10 UTCJun 10, 14:50 UTC1h 40m
2026-06-10 AOM141M - Jun 10, 08:15 UTCJun 10, 09:55 UTC1h 40m
2026-06-09 AOM159B - Jun 9, 19:40 UTCJun 9, 19:50 UTC10m
2026-06-09 AOM159A - Jun 9, 15:20 UTCJun 9, 15:30 UTC10m
2026-06-09 AOM404P - Jun 9, 11:40 UTCJun 9, 12:00 UTC20m
2026-06-09 AOM404P - Jun 9, 10:05 UTCJun 9, 10:45 UTC40m
2026-06-08 AOM139M - Jun 8, 09:10 UTCJun 8, 12:25 UTC3h 15m
2026-06-07 AOM139M CMN → LBA Jun 7, 14:05 UTCJun 7, 17:15 UTC3h 10m

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.

Mode-S 0201BF frequently asked

What is Mode-S code 0201BF?
0201BF is an ICAO 24-bit transponder address. Allocated to Morocco.
Where is Mode-S 0201BF registered?
Mode-S code 0201BF is allocated to Morocco (MA). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 0201BF broadcasting right now?
No active broadcast right now. Last signal was 17h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 0201BF, octal 00400677, decimal 131,519.
What flights does 0201BF operate?
Mode-S 0201BF has broadcast 20 distinct callsigns, including AOM133M, AOM179M, AOM156M, AOM154M, AOM152M.