sensors Mode-S transponder
0C21FC
ICAO 24-bit transponder address · allocated to Suriname
- Hex
- 0C21FC
- Octal
- 03020774
- Decimal
- 795,132
- Country
- SR
- Flights observed
- 49
- Distinct callsigns
- 20
- Country
- SR
- Last broadcast
- 9h ago
Last known position
Country allocation
The ICAO 24-bit address 0C21FC 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 |
|---|---|---|---|
| CMP788 | Copa Airlines | 5 | 2026-06-14 |
| CMP821 | - | 4 | 2026-06-30 |
| CMP820 | - | 3 | 2026-06-30 |
| BOE920 | - | 3 | 2026-05-18 |
| CMP897 | Copa Airlines | 2 | 2026-06-16 |
| CMP789 | Copa Airlines | 2 | 2026-06-17 |
| CMP471 | Copa Airlines | 2 | 2026-06-24 |
| CMP470 | - | 2 | 2026-06-24 |
| CMP450 | - | 2 | 2026-07-03 |
| CMP111 | Copa Airlines | 2 | 2026-06-20 |
| BOE123 | - | 2 | 2026-04-28 |
| CMP9820 | Copa Airlines | 1 | 2026-05-28 |
| CMP888 | Copa Airlines | 1 | 2026-06-18 |
| CMP868 | - | 1 | 2026-07-03 |
| CMP867 | Copa Airlines | 1 | 2026-07-03 |
| CMP862 | Copa Airlines | 1 | 2026-06-28 |
| CMP746 | - | 1 | 2026-06-17 |
| CMP730 | - | 1 | 2026-06-29 |
| CMP722 | - | 1 | 2026-06-28 |
| CMP496 | - | 1 | 2026-06-25 |
Recent flights last 49
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-07-04 | CMP396 | - | Jul 4, 11:50 UTC | Jul 4, 12:45 UTC | 55m |
| 2026-07-03 | CMP868 | - | Jul 3, 19:50 UTC | Jul 4, 03:40 UTC | 7h 50m |
| 2026-07-03 | CMP867 | PTY → MCO | Jul 3, 09:55 UTC | Jul 3, 17:30 UTC | 7h 35m |
| 2026-07-03 | CMP450 | - | Jul 3, 01:55 UTC | Jul 3, 02:05 UTC | 10m |
| 2026-06-30 | CMP820 | - | Jun 30, 22:45 UTC | Jul 1, 09:35 UTC | 10h 50m |
| 2026-06-30 | CMP821 | - | Jun 30, 10:45 UTC | Jul 1, 09:00 UTC | 22h 15m |
| 2026-06-30 | CMP451 | - | Jun 30, 09:45 UTC | Jun 30, 10:00 UTC | 15m |
| 2026-06-30 | CMP450 | - | Jun 30, 01:55 UTC | Jun 30, 02:10 UTC | 15m |
| 2026-06-29 | CMP730 | - | Jun 29, 09:14 UTC | Jun 29, 13:19 UTC | 4h 5m |
| 2026-06-28 | CMP722 | MCO → JFK | Jun 28, 21:30 UTC | Jun 29, 06:50 UTC | 9h 20m |
| 2026-06-28 | CMP862 | PTY → MCO | Jun 28, 15:34 UTC | Jun 28, 18:05 UTC | 2h 30m |
| 2026-06-26 | CMP143 | - | Jun 26, 22:34 UTC | Jun 26, 22:44 UTC | 10m |
| 2026-06-26 | CMP142 | PTY → SJU | Jun 26, 19:45 UTC | Jun 26, 19:55 UTC | 10m |
| 2026-06-26 | CMP389 | GUA → PTY | Jun 26, 13:30 UTC | Jun 26, 14:44 UTC | 1h 15m |
| 2026-06-25 | CMP496 | - | Jun 25, 14:04 UTC | Jun 26, 05:05 UTC | 15h 0m |
| 2026-06-24 | CMP471 | YYZ → PTY | Jun 24, 15:05 UTC | Jun 25, 14:09 UTC | 23h 5m |
| 2026-06-24 | CMP471 | YYZ → PTY | Jun 24, 12:34 UTC | Jun 24, 16:45 UTC | 4h 10m |
| 2026-06-24 | CMP470 | - | Jun 24, 00:59 UTC | Jun 24, 05:09 UTC | 4h 10m |
| 2026-06-23 | CMP470 | - | Jun 23, 09:05 UTC | Jun 24, 05:09 UTC | 20h 5m |
| 2026-06-23 | CMP820 | - | Jun 23, 01:35 UTC | Jun 24, 00:59 UTC | 23h 25m |
| 2026-06-22 | CMP820 | - | Jun 22, 22:40 UTC | Jun 23, 09:49 UTC | 11h 10m |
| 2026-06-22 | CMP821 | - | Jun 22, 09:19 UTC | Jun 23, 06:39 UTC | 21h 20m |
| 2026-06-22 | CMP821 | - | Jun 22, 07:04 UTC | Jun 23, 06:39 UTC | 23h 35m |
| 2026-06-22 | CMP821 | - | Jun 22, 05:04 UTC | Jun 23, 02:29 UTC | 21h 25m |
| 2026-06-22 | CMP424 | - | Jun 22, 04:44 UTC | Jun 23, 02:29 UTC | 21h 45m |
| 2026-06-21 | CMP423 | - | Jun 21, 14:24 UTC | Jun 22, 03:14 UTC | 12h 50m |
| 2026-06-20 | CMP111 | GUA → PTY | Jun 20, 17:04 UTC | Jun 21, 16:54 UTC | 23h 50m |
| 2026-06-20 | CMP111 | GUA → PTY | Jun 20, 16:49 UTC | Jun 21, 14:30 UTC | 21h 40m |
| 2026-06-20 | CMP102 | PTY → GUA | Jun 20, 14:29 UTC | Jun 20, 15:29 UTC | 1h 0m |
| 2026-06-18 | CMP888 | SDQ → PTY | Jun 18, 16:35 UTC | Jun 19, 10:39 UTC | 18h 4m |
| 2026-06-17 | CMP746 | - | Jun 17, 23:45 UTC | Jun 18, 14:55 UTC | 15h 10m |
| 2026-06-17 | CMP789 | COR → PTY | Jun 17, 00:55 UTC | Jun 17, 10:45 UTC | 9h 50m |
| 2026-06-16 | CMP789 | COR → PTY | Jun 16, 11:55 UTC | Jun 17, 10:45 UTC | 22h 51m |
| 2026-06-16 | CMP897 | ROS → PTY | Jun 16, 02:09 UTC | Jun 17, 01:00 UTC | 22h 51m |
| 2026-06-15 | CMP897 | ROS → PTY | Jun 15, 20:30 UTC | Jun 16, 12:35 UTC | 16h 5m |
| 2026-06-15 | CMP480 | PTY → STI | Jun 15, 18:25 UTC | Jun 15, 18:35 UTC | 10m |
| 2026-06-14 | CMP788 | PTY → COR | Jun 14, 16:10 UTC | Jun 15, 10:55 UTC | 18h 45m |
| 2026-06-14 | CMP788 | PTY → COR | Jun 14, 10:05 UTC | Jun 15, 01:35 UTC | 15h 30m |
| 2026-06-14 | CMP788 | PTY → COR | Jun 14, 01:05 UTC | Jun 15, 01:00 UTC | 23h 55m |
| 2026-06-14 | CMP788 | PTY → COR | Jun 14, 00:55 UTC | Jun 14, 18:40 UTC | 17h 45m |
| 2026-06-13 | CMP788 | PTY → COR | Jun 13, 19:40 UTC | Jun 14, 18:40 UTC | 23h 0m |
| 2026-06-13 | CMP407 | GUA → PTY | Jun 13, 10:40 UTC | Jun 13, 17:35 UTC | 6h 55m |
| 2026-06-13 | CMP390 | - | Jun 13, 01:20 UTC | Jun 13, 01:55 UTC | 35m |
| 2026-05-28 | CMP9820 | BFI → SJO | May 28, 17:25 UTC | May 29, 00:25 UTC | 7h 0m |
| 2026-05-18 | BOE920 | - | May 18, 17:10 UTC | May 18, 17:45 UTC | 35m |
| 2026-05-01 | BOE920 | - | May 1, 22:15 UTC | May 1, 22:40 UTC | 25m |
| 2026-05-01 | BOE920 | - | May 1, 20:05 UTC | May 1, 21:45 UTC | 1h 40m |
| 2026-04-28 | BOE123 | RNT → RNT | Apr 28, 15:00 UTC | Apr 28, 15:35 UTC | 35m |
| 2026-04-28 | BOE123 | RNT → RNT | Apr 28, 11:40 UTC | Apr 28, 11:50 UTC | 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.