sensors Mode-S transponder

0C20DD

ICAO 24-bit transponder address · allocated to Suriname

Currently assigned to HP-9902CMP · BOEING 737 MAX 9

Hex
0C20DD
Octal
03020335
Decimal
794,845
Country
SR
Tail
HP-9902CMP
Type
B39M
Broadcasting now · callsign CMP850 · 14,225 ft
Flights observed
166
Distinct callsigns
20
Country
SR
Last broadcast
3h ago

Current position

0C20DD is currently broadcasting. Map zoomed to live position.

Country allocation

The ICAO 24-bit address 0C20DD 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
CMP759 - 14 2026-07-10
CMP700 Copa Airlines 12 2026-07-11
CMP382 - 10 2026-07-06
CMP454 - 9 2026-07-01
CMP383 - 9 2026-07-07
CMP850 - 7 2026-07-09
CMP847 - 7 2026-07-13
CMP472 - 7 2026-06-26
CMP841 - 6 2026-06-28
CMP743 Copa Airlines 6 2026-05-31
CMP800 Copa Airlines 4 2026-05-06
CMP702 Copa Airlines 4 2026-06-03
CMP473 - 4 2026-06-27
CMP456 Copa Airlines 4 2026-04-25
CMP253 Copa Airlines 4 2026-04-26
CMP725 - 3 2026-06-22
CMP466 Copa Airlines 3 2026-04-22
CMP402 Copa Airlines 3 2026-05-23
CMP167 - 3 2026-06-28
CMP758 - 2 2026-06-23

Recent flights last 50

DateFlightRouteTakeoffLandingDuration
2026-07-13 CMP847 SAN → SAN Jul 13, 05:20 UTCJul 14, 01:30 UTC20h 10m
2026-07-12 CMP847 MCO → SAN Jul 12, 16:01 UTCJul 13, 02:25 UTC10h 25m
2026-07-11 CMP700 GRU → PTY Jul 11, 14:25 UTCJul 12, 02:25 UTC12h 0m
2026-07-10 CMP759 - Jul 10, 23:45 UTCJul 11, 09:05 UTC9h 20m
2026-07-10 CMP687 - Jul 10, 17:55 UTCJul 10, 18:05 UTC10m
2026-07-10 CMP397 - Jul 10, 15:35 UTCJul 10, 15:45 UTC10m
2026-07-09 CMP361 - Jul 9, 22:40 UTCJul 9, 23:45 UTC1h 5m
2026-07-09 CMP850 SAN → GUA Jul 9, 05:25 UTCJul 9, 14:55 UTC9h 30m
2026-07-08 CMP847 - Jul 8, 09:30 UTCJul 9, 01:10 UTC15h 40m
2026-07-07 CMP383 - Jul 7, 08:40 UTCJul 7, 20:35 UTC11h 55m
2026-07-06 CMP382 - Jul 6, 14:30 UTCJul 7, 06:40 UTC16h 10m
2026-07-05 CMP229 - Jul 5, 20:45 UTCJul 6, 10:55 UTC14h 10m
2026-07-05 CMP228 - Jul 5, 04:40 UTCJul 5, 18:35 UTC13h 55m
2026-07-04 CMP850 - Jul 4, 07:20 UTCJul 5, 03:00 UTC19h 40m
2026-07-04 CMP850 - Jul 4, 05:25 UTCJul 5, 03:00 UTC21h 35m
2026-07-03 CMP383 - Jul 3, 08:35 UTCJul 4, 01:15 UTC16h 40m
2026-07-02 CMP382 - Jul 2, 14:25 UTCJul 3, 06:10 UTC15h 45m
2026-07-01 CMP759 - Jul 1, 17:30 UTCJul 2, 09:20 UTC15h 50m
2026-07-01 CMP454 - Jul 1, 11:25 UTCJul 1, 12:40 UTC1h 15m
2026-06-30 CMP454 - Jun 30, 18:20 UTCJul 1, 07:10 UTC12h 50m
2026-06-30 CMP850 - Jun 30, 05:40 UTCJun 30, 16:10 UTC10h 30m
2026-06-29 CMP847 - Jun 29, 10:15 UTCJun 30, 01:30 UTC15h 16m
2026-06-29 CMP847 - Jun 29, 05:59 UTCJun 30, 01:30 UTC19h 31m
2026-06-28 CMP167 - Jun 28, 09:20 UTCJun 29, 04:25 UTC19h 5m
2026-06-28 CMP167 - Jun 28, 07:20 UTCJun 29, 04:25 UTC21h 5m
2026-06-28 CMP841 - Jun 28, 05:20 UTCJun 29, 04:25 UTC23h 5m
2026-06-28 CMP841 - Jun 28, 05:04 UTCJun 29, 03:14 UTC22h 10m
2026-06-27 CMP473 - Jun 27, 09:44 UTCJun 28, 02:49 UTC17h 5m
2026-06-26 CMP472 - Jun 26, 12:34 UTCJun 26, 23:30 UTC10h 55m
2026-06-26 CMP441 - Jun 26, 00:24 UTCJun 26, 02:24 UTC2h 0m
2026-06-24 CMP278 - Jun 24, 17:50 UTCJun 24, 22:45 UTC4h 55m
2026-06-23 CMP454 MCO → EZE Jun 23, 18:50 UTCJun 24, 08:04 UTC13h 15m
2026-06-23 CMP758 - Jun 23, 04:45 UTCJun 23, 16:24 UTC11h 40m
2026-06-22 CMP725 - Jun 22, 07:19 UTCJun 23, 02:45 UTC19h 25m
2026-06-22 CMP725 - Jun 22, 05:20 UTCJun 23, 02:45 UTC21h 25m
2026-06-21 CMP312 BOS → PTY Jun 21, 13:15 UTCJun 22, 03:05 UTC13h 50m
2026-06-20 CMP366 - Jun 20, 13:04 UTCJun 21, 02:30 UTC13h 25m
2026-06-19 CMP368 - Jun 19, 22:14 UTCJun 20, 10:20 UTC12h 5m
2026-06-19 CMP350 - Jun 19, 08:29 UTCJun 19, 19:54 UTC11h 25m
2026-06-18 CMP454 - Jun 18, 18:00 UTCJun 19, 07:04 UTC13h 4m
2026-06-17 CMP383 - Jun 17, 08:25 UTCJun 17, 14:20 UTC5h 55m
2026-06-16 CMP382 - Jun 16, 14:15 UTCJun 17, 05:55 UTC15h 41m
2026-06-15 CMP759 - Jun 15, 17:59 UTCJun 16, 09:45 UTC15h 45m
2026-06-14 CMP700 GRU → PTY Jun 14, 14:30 UTCJun 15, 07:35 UTC17h 5m
2026-06-13 CMP759 PTY → GRU Jun 13, 17:40 UTCJun 14, 09:30 UTC15h 51m
2026-06-13 CMP620 - Jun 13, 09:55 UTCJun 13, 14:40 UTC4h 45m
2026-06-12 CMP409 SFO → PTY Jun 12, 03:40 UTCJun 12, 09:10 UTC5h 30m
2026-06-11 CMP408 PTY → SFO Jun 11, 08:15 UTCJun 12, 00:40 UTC16h 25m
2026-06-11 CMP408 PTY → SFO Jun 11, 03:50 UTCJun 12, 00:40 UTC20h 51m
2026-06-10 CMP125 PTY → MVD Jun 10, 20:20 UTCJun 11, 01:20 UTC5h 0m

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-9902CMP page for operator, model, and routing details .

Mode-S 0C20DD frequently asked

What is Mode-S code 0C20DD?
0C20DD is an ICAO 24-bit transponder address. Allocated to Suriname. Assigned to HP-9902CMP.
Where is Mode-S 0C20DD registered?
Mode-S code 0C20DD is allocated to Suriname (SR). All aircraft registered there receive a Mode-S address from a fixed block defined by ICAO Annex 10.
Is 0C20DD broadcasting right now?
Yes. Mode-S 0C20DD is currently airborne.
Hex, octal, and decimal Mode-S codes: what's the difference?
The same 24-bit identifier expressed in different bases: hex 0C20DD, octal 03020335, decimal 794,845.
What flights does 0C20DD operate?
Mode-S 0C20DD has broadcast 20 distinct callsigns, including CMP759, CMP700, CMP382, CMP454, CMP383.