sensors Mode-S transponder

0C210D

ICAO 24-bit transponder address · allocated to Suriname

Currently assigned to HP-9912CMP · BOEING 737 MAX 9

Hex
0C210D
Octal
03020415
Decimal
794,893
Country
SR
Tail
HP-9912CMP
Type
B39M
Broadcasting now · callsign CMP364 · 34,000 ft
Flights observed
173
Distinct callsigns
20
Country
SR
Last broadcast
3h ago

Current position

0C210D is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 0C210D falls within the block assigned to Suriname (SR) by ICAO Annex 10, Volume III. Every aircraft registered in Suriname 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
CMP743 - 9 2026-07-09
CMP454 - 9 2026-07-03
CMP408 Copa Airlines 8 2026-06-05
CMP759 - 7 2026-07-02
CMP409 Copa Airlines 7 2026-06-06
CMP367 - 7 2026-07-13
CMP278 - 7 2026-07-04
CMP800 - 6 2026-07-12
CMP700 Copa Airlines 6 2026-06-19
CMP473 - 5 2026-07-11
CMP383 - 5 2026-06-26
CMP873 Copa Airlines 4 2026-05-30
CMP847 Copa Airlines 4 2026-05-31
CMP841 - 4 2026-07-13
CMP702 - 4 2026-07-12
CMP467 Copa Airlines 4 2026-05-04
CMP466 Copa Airlines 4 2026-05-04
CMP382 - 4 2026-06-25
CMP364 Copa Airlines 4 2026-07-14
CMP701 - 3 2026-07-08

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 CMP364 EZE → PTY Jul 14, 12:35 UTCJul 14, 13:40 UTC1h 5m
2026-07-13 CMP367 - Jul 13, 21:30 UTCJul 14, 10:55 UTC13h 25m
2026-07-13 CMP841 - Jul 13, 05:35 UTCJul 13, 19:15 UTC13h 40m
2026-07-12 CMP800 - Jul 12, 18:45 UTCJul 13, 03:55 UTC9h 10m
2026-07-12 CMP702 - Jul 12, 06:20 UTCJul 12, 17:01 UTC10h 40m
2026-07-11 CMP473 - Jul 11, 09:25 UTCJul 11, 23:35 UTC14h 10m
2026-07-10 CMP472 - Jul 10, 08:15 UTCJul 10, 23:55 UTC15h 40m
2026-07-09 CMP743 - Jul 9, 12:00 UTCJul 10, 06:30 UTC18h 30m
2026-07-09 CMP743 - Jul 9, 11:05 UTCJul 10, 06:30 UTC19h 25m
2026-07-09 CMP743 - Jul 9, 08:15 UTCJul 10, 06:30 UTC22h 15m
2026-07-09 CMP702 - Jul 9, 06:25 UTCJul 10, 05:00 UTC22h 35m
2026-07-08 CMP701 - Jul 8, 08:15 UTCJul 8, 23:25 UTC15h 10m
2026-07-07 CMP743 - Jul 7, 18:05 UTCJul 8, 06:35 UTC12h 30m
2026-07-07 CMP743 - Jul 7, 10:45 UTCJul 8, 06:35 UTC19h 50m
2026-07-07 CMP743 - Jul 7, 08:10 UTCJul 8, 06:35 UTC22h 25m
2026-07-07 CMP702 - Jul 7, 06:20 UTCJul 8, 05:10 UTC22h 50m
2026-07-06 CMP473 - Jul 6, 09:10 UTCJul 6, 23:50 UTC14h 40m
2026-07-05 CMP472 - Jul 5, 18:10 UTCJul 5, 23:55 UTC5h 45m
2026-07-04 CMP278 - Jul 4, 18:05 UTCJul 4, 23:00 UTC4h 55m
2026-07-03 CMP454 - Jul 3, 14:25 UTCJul 4, 07:40 UTC17h 15m
2026-07-02 CMP759 - Jul 2, 18:10 UTCJul 3, 09:20 UTC15h 10m
2026-07-01 CMP215 GIG → PTY Jul 1, 13:35 UTCJul 2, 07:05 UTC17h 30m
2026-06-30 CMP444 - Jun 30, 23:05 UTCJul 1, 11:25 UTC12h 20m
2026-06-30 CMP443 PTY → IAD Jun 30, 18:25 UTCJun 30, 20:35 UTC2h 10m
2026-06-28 CMP278 - Jun 28, 18:05 UTCJun 28, 23:04 UTC5h 0m
2026-06-27 CMP454 MCO → EZE Jun 27, 19:34 UTCJun 28, 07:25 UTC11h 50m
2026-06-27 CMP148 JFK → MCO Jun 27, 07:04 UTCJun 27, 17:29 UTC10h 25m
2026-06-26 CMP383 - Jun 26, 09:20 UTCJun 27, 04:49 UTC19h 30m
2026-06-26 CMP383 - Jun 26, 08:34 UTCJun 27, 04:49 UTC20h 15m
2026-06-25 CMP382 - Jun 25, 20:30 UTCJun 26, 06:04 UTC9h 35m
2026-06-25 CMP473 - Jun 25, 08:55 UTCJun 25, 18:39 UTC9h 45m
2026-06-24 CMP383 - Jun 24, 08:24 UTCJun 24, 23:40 UTC15h 15m
2026-06-23 CMP382 - Jun 23, 14:15 UTCJun 24, 06:10 UTC15h 55m
2026-06-22 CMP812 - Jun 22, 20:44 UTCJun 23, 09:29 UTC12h 45m
2026-06-21 CMP809 PTY → JFK Jun 21, 23:59 UTCJun 22, 18:09 UTC18h 10m
2026-06-21 CMP809 PTY → JFK Jun 21, 17:24 UTCJun 22, 17:15 UTC23h 50m
2026-06-21 CMP205 - Jun 21, 13:20 UTCJun 22, 09:10 UTC19h 50m
2026-06-21 CMP205 - Jun 21, 13:04 UTCJun 22, 09:10 UTC20h 5m
2026-06-20 CMP891 - Jun 20, 21:34 UTCJun 21, 09:59 UTC12h 25m
2026-06-20 CMP880 PTY → ATL Jun 20, 06:29 UTCJun 20, 19:24 UTC12h 55m
2026-06-19 CMP700 GRU → PTY Jun 19, 14:24 UTCJun 20, 04:54 UTC14h 30m
2026-06-18 CMP759 - Jun 18, 17:55 UTCJun 19, 09:19 UTC15h 24m
2026-06-17 CMP9912 - Jun 17, 15:40 UTCJun 18, 07:05 UTC15h 25m
2026-06-15 CMP454 - Jun 15, 13:30 UTCJun 16, 07:25 UTC17h 55m
2026-06-15 CMP454 - Jun 15, 12:15 UTCJun 16, 07:25 UTC19h 10m
2026-06-15 CMP454 - Jun 15, 09:49 UTCJun 16, 07:25 UTC21h 35m
2026-06-15 CMP744 - Jun 15, 08:20 UTCJun 16, 07:15 UTC22h 55m
2026-06-14 CMP743 - Jun 14, 11:20 UTCJun 15, 06:49 UTC19h 29m
2026-06-14 CMP473 - Jun 14, 09:20 UTCJun 15, 06:49 UTC21h 30m
2026-06-14 CMP473 - Jun 14, 09:10 UTCJun 15, 06:49 UTC21h 40m

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 HP-9912CMP page for operator, model, and routing details .

Mode-S 0C210D frequently asked

What is Mode-S code 0C210D?
0C210D is an ICAO 24-bit transponder address. Allocated to Suriname. Assigned to HP-9912CMP.
Where is Mode-S 0C210D registered?
Mode-S code 0C210D is allocated to Suriname (SR). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 0C210D broadcasting right now?
Yes. Mode-S 0C210D is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 0C210D, octal 03020415, decimal 794,893.
What flights does 0C210D operate?
Mode-S 0C210D has broadcast 20 distinct callsigns, including CMP743, CMP454, CMP408, CMP759, CMP409.