sensors Mode-S transponder

0C218C

ICAO 24-bit transponder address · allocated to Suriname

Currently assigned to HP-9931CMP · BOEING 737 MAX 9

Hex
0C218C
Octal
03020614
Decimal
795,020
Country
SR
Tail
HP-9931CMP
Type
B39M
No current signal · last broadcast 3h ago
Flights observed
205
Distinct callsigns
20
Country
SR
Last broadcast
3h ago

Last known position

Most recent position reported by Mode-S 0C218C.

Country allocation

The ICAO 24-bit address 0C218C 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
CMP444 - 10 2026-06-29
CMP443 Copa Airlines 10 2026-06-29
CMP743 - 8 2026-07-04
CMP486 - 8 2026-07-10
CMP383 - 8 2026-06-28
CMP346 - 8 2026-07-05
CMP329 - 7 2026-07-09
CMP812 - 6 2026-06-25
CMP701 - 6 2026-07-07
CMP487 - 6 2026-07-11
CMP216 - 6 2026-07-03
CMP873 - 5 2026-07-13
CMP809 Copa Airlines 5 2026-06-25
CMP382 - 5 2026-06-27
CMP350 - 5 2026-07-06
CMP744 - 4 2026-07-05
CMP702 - 4 2026-07-08
CMP409 - 4 2026-07-13
CMP328 - 4 2026-07-10
CMP284 Copa Airlines 4 2026-05-28

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-14 CMP872 - Jul 14, 05:35 UTCJul 14, 11:30 UTC5h 55m
2026-07-13 CMP873 - Jul 13, 09:15 UTCJul 14, 04:10 UTC18h 55m
2026-07-13 CMP873 - Jul 13, 07:15 UTCJul 14, 04:10 UTC20h 55m
2026-07-13 CMP873 - Jul 13, 05:05 UTCJul 14, 04:10 UTC23h 5m
2026-07-13 CMP409 - Jul 13, 03:25 UTCJul 14, 02:20 UTC22h 55m
2026-07-12 CMP408 BOG → SFO Jul 12, 15:01 UTCJul 13, 01:05 UTC10h 5m
2026-07-11 CMP227 - Jul 11, 22:50 UTCJul 12, 05:05 UTC6h 15m
2026-07-11 CMP487 - Jul 11, 08:30 UTCJul 11, 20:30 UTC12h 0m
2026-07-10 CMP486 - Jul 10, 11:10 UTCJul 11, 06:25 UTC19h 15m
2026-07-10 CMP486 - Jul 10, 07:05 UTCJul 11, 06:25 UTC23h 20m
2026-07-10 CMP328 - Jul 10, 06:55 UTCJul 11, 04:50 UTC21h 55m
2026-07-09 CMP329 - Jul 9, 16:00 UTCJul 10, 05:05 UTC13h 5m
2026-07-09 CMP329 - Jul 9, 09:30 UTCJul 10, 05:05 UTC19h 35m
2026-07-09 CMP168 - Jul 9, 05:15 UTCJul 10, 05:00 UTC23h 45m
2026-07-08 CMP167 - Jul 8, 17:50 UTCJul 9, 03:40 UTC9h 50m
2026-07-08 CMP702 - Jul 8, 06:20 UTCJul 8, 16:10 UTC9h 50m
2026-07-07 CMP701 - Jul 7, 18:30 UTCJul 7, 23:40 UTC5h 10m
2026-07-06 CMP701 - Jul 6, 21:45 UTCJul 7, 20:10 UTC22h 25m
2026-07-06 CMP105 MGA → PTY Jul 6, 19:25 UTCJul 7, 18:45 UTC23h 20m
2026-07-06 CMP350 - Jul 6, 10:15 UTCJul 6, 22:00 UTC11h 45m
2026-07-05 CMP346 - Jul 5, 12:15 UTCJul 6, 06:45 UTC18h 30m
2026-07-05 CMP346 - Jul 5, 09:05 UTCJul 6, 06:45 UTC21h 40m
2026-07-05 CMP744 - Jul 5, 08:20 UTCJul 6, 03:00 UTC18h 40m
2026-07-04 CMP743 - Jul 4, 19:45 UTCJul 5, 06:30 UTC10h 45m
2026-07-04 CMP328 - Jul 4, 07:20 UTCJul 4, 12:10 UTC4h 50m
2026-07-03 CMP329 - Jul 3, 14:15 UTCJul 4, 05:15 UTC15h 0m
2026-07-03 CMP329 - Jul 3, 09:35 UTCJul 4, 05:15 UTC19h 40m
2026-07-03 CMP216 - Jul 3, 07:50 UTCJul 4, 05:15 UTC21h 25m
2026-07-03 CMP216 - Jul 3, 05:05 UTCJul 4, 05:00 UTC23h 55m
2026-07-03 CMP216 - Jul 3, 00:45 UTCJul 3, 18:25 UTC17h 40m
2026-07-02 CMP227 - Jul 2, 23:20 UTCJul 2, 23:35 UTC15m
2026-07-02 CMP350 - Jul 2, 08:30 UTCJul 2, 20:35 UTC12h 5m
2026-07-01 CMP346 MCO → EZE Jul 1, 19:05 UTCJul 2, 07:00 UTC11h 55m
2026-07-01 CMP872 - Jul 1, 04:45 UTCJul 1, 16:25 UTC11h 40m
2026-07-01 CMP873 - Jul 1, 01:00 UTCJul 1, 03:30 UTC2h 30m
2026-06-30 CMP894 JFK → PTY Jun 30, 17:55 UTCJun 30, 18:05 UTC10m
2026-06-29 CMP444 - Jun 29, 21:14 UTCJun 30, 00:39 UTC3h 25m
2026-06-29 CMP443 PTY → IAD Jun 29, 06:24 UTCJun 29, 19:05 UTC12h 40m
2026-06-28 CMP383 - Jun 28, 08:29 UTCJun 28, 23:39 UTC15h 10m
2026-06-27 CMP382 - Jun 27, 20:09 UTCJun 28, 06:24 UTC10h 15m
2026-06-27 CMP350 - Jun 27, 08:35 UTCJun 27, 18:20 UTC9h 45m
2026-06-27 CMP346 - Jun 27, 02:25 UTCJun 27, 07:15 UTC4h 50m
2026-06-26 CMP498 SCL → PTY Jun 26, 15:39 UTCJun 26, 15:49 UTC10m
2026-06-25 CMP812 - Jun 25, 19:49 UTCJun 25, 23:34 UTC3h 45m
2026-06-25 CMP809 PTY → JFK Jun 25, 03:29 UTCJun 25, 17:25 UTC13h 55m
2026-06-24 CMP219 EZE → EZE Jun 24, 08:39 UTCJun 25, 01:19 UTC16h 40m
2026-06-23 CMP346 - Jun 23, 17:39 UTCJun 24, 07:20 UTC13h 40m
2026-06-22 CMP287 SAP → PTY Jun 22, 23:05 UTCJun 23, 20:54 UTC21h 50m
2026-06-22 CMP278 - Jun 22, 22:34 UTCJun 23, 20:54 UTC22h 20m
2026-06-22 CMP278 - Jun 22, 18:04 UTCJun 22, 23:20 UTC5h 15m

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-9931CMP page for operator, model, and routing details .

Mode-S 0C218C frequently asked

What is Mode-S code 0C218C?
0C218C is an ICAO 24-bit transponder address. Allocated to Suriname. Assigned to HP-9931CMP.
Where is Mode-S 0C218C registered?
Mode-S code 0C218C is allocated to Suriname (SR). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 0C218C broadcasting right now?
No active broadcast right now. Last signal was 3h ago.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 0C218C, octal 03020614, decimal 795,020.
What flights does 0C218C operate?
Mode-S 0C218C has broadcast 20 distinct callsigns, including CMP444, CMP443, CMP743, CMP486, CMP383.