sensors Mode-S transponder

020139

ICAO 24-bit transponder address · allocated to Morocco

Currently assigned to CN-MAX · BOEING 737 MAX 8

Hex
020139
Octal
00400471
Decimal
131,385
Country
MA
Tail
CN-MAX
Type
B38M
Broadcasting now · callsign RAM879 · 37,000 ft
Flights observed
275
Distinct callsigns
20
Country
MA
Last broadcast
Jul 26, 19:15 UTC

Current position

020139 is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 020139 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
RAM801F Royal Air Maroc 20 2026-07-25
RAM800F Royal Air Maroc 20 2026-07-25
RAM931G Royal Air Maroc 11 2026-07-06
RAM930G - 10 2026-07-06
RAM983 - 7 2026-07-11
RAM291 - 6 2026-06-27
RAM290 - 6 2026-06-27
RAM982 - 5 2026-07-11
RAM845X Royal Air Maroc 5 2026-07-20
RAM844X Royal Air Maroc 5 2026-07-20
RAM811D - 5 2026-07-13
RAM810D - 5 2026-07-13
RAM789H - 5 2026-07-18
RAM788H - 5 2026-07-18
RAM502U - 5 2026-07-14
RAM989 Royal Air Maroc 4 2026-05-26
RAM988 Royal Air Maroc 4 2026-05-26
RAM985A - 4 2026-07-10
RAM984A - 4 2026-07-10
RAM953Q Royal Air Maroc 4 2026-07-26

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-26 RAM953Q CMN → TLV Jul 26, 16:35 UTCJul 26, 19:15 UTC2h 40m
2026-07-26 RAM952Q CMN → BLQ Jul 26, 12:20 UTCJul 26, 15:10 UTC2h 50m
2026-07-25 RAM801F LHR → CMN Jul 25, 17:50 UTCJul 25, 20:30 UTC2h 40m
2026-07-25 RAM800F CMN → LHR Jul 25, 13:05 UTCJul 25, 15:55 UTC2h 50m
2026-07-24 RAM801F LHR → CMN Jul 24, 17:45 UTCJul 24, 20:45 UTC3h 0m
2026-07-24 RAM800F CMN → LHR Jul 24, 13:00 UTCJul 24, 15:35 UTC2h 35m
2026-07-24 RAM533X CMN → ABJ Jul 24, 00:40 UTCJul 24, 09:55 UTC9h 15m
2026-07-23 RAM801F LHR → CMN Jul 23, 17:50 UTCJul 23, 20:25 UTC2h 35m
2026-07-23 RAM801F LHR → CMN Jul 23, 17:25 UTCJul 23, 17:45 UTC20m
2026-07-23 RAM800F CMN → LHR Jul 23, 13:05 UTCJul 23, 15:45 UTC2h 40m
2026-07-22 RAM771T ORY → CMN Jul 22, 17:30 UTCJul 22, 20:20 UTC2h 50m
2026-07-22 RAM770T CMN → ORY Jul 22, 13:35 UTCJul 22, 16:00 UTC2h 25m
2026-07-21 RAM771T ORY → CMN Jul 21, 17:40 UTCJul 21, 20:20 UTC2h 40m
2026-07-21 RAM770T - Jul 21, 13:35 UTCJul 21, 15:55 UTC2h 20m
2026-07-20 RAM851W - Jul 20, 16:45 UTCJul 20, 20:10 UTC3h 25m
2026-07-20 RAM850W CMN → MST Jul 20, 11:55 UTCJul 20, 14:50 UTC2h 55m
2026-07-20 RAM845X BRU → CMN Jul 20, 05:55 UTCJul 20, 08:55 UTC3h 0m
2026-07-20 RAM844X CMN → BRU Jul 20, 01:40 UTCJul 20, 04:25 UTC2h 45m
2026-07-19 RAM953Q - Jul 19, 16:25 UTCJul 19, 19:30 UTC3h 5m
2026-07-19 RAM952Q - Jul 19, 12:15 UTCJul 19, 14:45 UTC2h 30m
2026-07-18 RAM789H - Jul 18, 16:40 UTCJul 18, 19:25 UTC2h 45m
2026-07-18 RAM788H - Jul 18, 12:40 UTCJul 18, 15:10 UTC2h 30m
2026-07-18 RAM554 - Jul 18, 10:20 UTCJul 18, 10:30 UTC10m
2026-07-18 RAM555 - Jul 18, 00:39 UTCJul 18, 00:50 UTC10m
2026-07-17 RAM801F - Jul 17, 17:44 UTCJul 17, 20:50 UTC3h 5m
2026-07-17 RAM800F - Jul 17, 13:00 UTCJul 17, 15:44 UTC2h 45m
2026-07-17 RAM566 ROB → CMN Jul 17, 09:10 UTCJul 17, 09:45 UTC35m
2026-07-16 RAM801F - Jul 16, 17:40 UTCJul 16, 20:39 UTC3h 0m
2026-07-16 RAM800F - Jul 16, 13:05 UTCJul 16, 15:45 UTC2h 40m
2026-07-15 RAM801F LHR → CMN Jul 15, 17:45 UTCJul 15, 20:55 UTC3h 10m
2026-07-15 RAM800F CMN → LHR Jul 15, 13:20 UTCJul 15, 16:00 UTC2h 40m
2026-07-15 RAM532X - Jul 15, 09:45 UTCJul 15, 10:00 UTC15m
2026-07-14 RAM502U - Jul 14, 22:55 UTCJul 14, 23:10 UTC15m
2026-07-14 RAM502U - Jul 14, 20:15 UTCJul 14, 20:50 UTC35m
2026-07-14 RAM503 - Jul 14, 18:35 UTCJul 14, 19:00 UTC25m
2026-07-14 RAM719D - Jul 14, 11:15 UTCJul 14, 13:35 UTC2h 20m
2026-07-14 RAM718D - Jul 14, 07:25 UTCJul 14, 09:40 UTC2h 15m
2026-07-13 RAM811D - Jul 13, 16:30 UTCJul 13, 19:50 UTC3h 20m
2026-07-13 RAM810D - Jul 13, 11:40 UTCJul 13, 14:35 UTC2h 55m
2026-07-12 RAM801F - Jul 12, 17:55 UTCJul 12, 20:45 UTC2h 50m
2026-07-12 RAM800F - Jul 12, 13:10 UTCJul 12, 15:40 UTC2h 30m
2026-07-11 RAM983 - Jul 11, 18:55 UTCJul 11, 19:45 UTC50m
2026-07-11 RAM982 - Jul 11, 16:20 UTCJul 11, 17:35 UTC1h 15m
2026-07-11 RAM761R - Jul 11, 11:45 UTCJul 11, 14:10 UTC2h 25m
2026-07-11 RAM760R - Jul 11, 07:45 UTCJul 11, 10:00 UTC2h 15m
2026-07-10 RAM985A - Jul 10, 20:20 UTCJul 10, 21:05 UTC46m
2026-07-10 RAM984A - Jul 10, 18:15 UTCJul 10, 18:55 UTC40m
2026-07-09 RAM833B - Jul 9, 17:00 UTCJul 9, 20:00 UTC3h 0m
2026-07-09 RAM832B - Jul 9, 12:40 UTCJul 9, 15:25 UTC2h 45m
2026-07-08 RAM502U - Jul 8, 23:50 UTCJul 8, 23:55 UTC5m

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 CN-MAX page for operator, model, and routing details .

Mode-S 020139 frequently asked

What is Mode-S code 020139?
020139 is an ICAO 24-bit transponder address. Allocated to Morocco. Assigned to CN-MAX.
Where is Mode-S 020139 registered?
Mode-S code 020139 is allocated to Morocco (MA). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 020139 broadcasting right now?
Yes. Mode-S 020139 is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 020139, octal 00400471, decimal 131,385.
What flights does 020139 operate?
Mode-S 020139 has broadcast 20 distinct callsigns, including RAM801F, RAM800F, RAM931G, RAM930G, RAM983.