sensors Mode-S transponder
7804C6
ICAO 24-bit transponder address · allocated to China
Currently assigned to B-2071 · BOEING 777-200LR
- Hex
- 7804C6
- Octal
- 36002306
- Decimal
- 7,865,542
- Country
- CN
- Tail
- B-2071
- Type
- B77L
- Flights observed
- 98
- Distinct callsigns
- 20
- Country
- CN
- Last broadcast
- 5h ago
Last known position
Country allocation
The ICAO 24-bit address 7804C6 falls within the block assigned to China (CN) by ICAO Annex 10, Volume III. Every aircraft registered in China 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 |
|---|---|---|---|
| CSG2526 | - | 8 | 2026-05-18 |
| CSG2525 | - | 7 | 2026-05-18 |
| CSG2515 | - | 5 | 2026-05-11 |
| CSG2653 | - | 4 | 2026-05-19 |
| CSG2545 | - | 4 | 2026-05-29 |
| CSG2539 | - | 4 | 2026-05-30 |
| CSG2537 | - | 4 | 2026-05-25 |
| CSG2521 | - | 4 | 2026-05-14 |
| CSG2516 | - | 4 | 2026-05-11 |
| CSG2509 | - | 4 | 2026-06-03 |
| CSG2505 | - | 4 | 2026-05-23 |
| CSG2696 | - | 3 | 2026-05-27 |
| CSG2662 | - | 3 | 2026-05-21 |
| CSG2661 | - | 3 | 2026-05-21 |
| CSG2654 | - | 3 | 2026-05-20 |
| CSG2597 | - | 3 | 2026-05-06 |
| CSG2523 | - | 3 | 2026-04-28 |
| CSG2513 | - | 3 | 2026-06-04 |
| CSG2510 | - | 3 | 2026-06-03 |
| CSG2683 | - | 2 | 2026-05-01 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-06-04 | CSG2514 | - | Jun 4, 22:15 UTC | Jun 4, 23:25 UTC | 1h 10m |
| 2026-06-04 | CSG2513 | - | Jun 4, 02:40 UTC | Jun 4, 19:45 UTC | 17h 5m |
| 2026-06-03 | CSG2510 | - | Jun 3, 16:30 UTC | Jun 4, 11:05 UTC | 18h 35m |
| 2026-06-03 | CSG2509 | - | Jun 3, 03:40 UTC | Jun 3, 13:45 UTC | 10h 5m |
| 2026-06-02 | CSG2510 | - | Jun 2, 07:40 UTC | Jun 3, 05:05 UTC | 21h 25m |
| 2026-06-01 | CSG2510 | - | Jun 1, 21:55 UTC | Jun 2, 09:10 UTC | 11h 15m |
| 2026-06-01 | CSG2509 | - | Jun 1, 02:50 UTC | Jun 1, 19:45 UTC | 16h 55m |
| 2026-05-31 | CSG2509 | - | May 31, 21:35 UTC | Jun 1, 19:45 UTC | 22h 10m |
| 2026-05-31 | CSG2509 | - | May 31, 21:25 UTC | Jun 1, 19:20 UTC | 21h 55m |
| 2026-05-31 | CSG2512 | - | May 31, 16:50 UTC | Jun 1, 10:50 UTC | 18h 0m |
| 2026-05-30 | CSG2539 | - | May 30, 22:10 UTC | May 31, 12:10 UTC | 14h 0m |
| 2026-05-29 | CSG2546 | - | May 29, 14:30 UTC | May 30, 04:10 UTC | 13h 40m |
| 2026-05-29 | CSG2545 | ANC → JFK | May 29, 04:55 UTC | May 29, 11:15 UTC | 6h 20m |
| 2026-05-28 | CSG2545 | - | May 28, 20:05 UTC | May 29, 03:35 UTC | 7h 30m |
| 2026-05-27 | CSG2696 | - | May 27, 10:40 UTC | May 27, 16:45 UTC | 6h 5m |
| 2026-05-26 | CSG2538 | - | May 26, 06:25 UTC | May 27, 01:14 UTC | 18h 50m |
| 2026-05-25 | CSG2538 | - | May 25, 20:09 UTC | May 26, 08:15 UTC | 12h 5m |
| 2026-05-25 | CSG2537 | - | May 25, 13:10 UTC | May 25, 17:25 UTC | 4h 15m |
| 2026-05-25 | CSG2537 | - | May 25, 10:30 UTC | May 25, 11:40 UTC | 1h 10m |
| 2026-05-23 | CSG2506 | - | May 23, 12:30 UTC | May 23, 18:25 UTC | 5h 55m |
| 2026-05-23 | CSG2505 | - | May 23, 04:30 UTC | May 23, 09:55 UTC | 5h 25m |
| 2026-05-22 | CSG2505 | - | May 22, 19:30 UTC | May 23, 02:35 UTC | 7h 4m |
| 2026-05-22 | CSG2505 | - | May 22, 03:35 UTC | May 23, 02:35 UTC | 22h 59m |
| 2026-05-22 | CSG2505 | - | May 22, 02:25 UTC | May 23, 01:30 UTC | 23h 5m |
| 2026-05-21 | CSG2662 | - | May 21, 21:35 UTC | May 22, 21:00 UTC | 23h 25m |
| 2026-05-21 | CSG2662 | - | May 21, 20:30 UTC | May 22, 19:30 UTC | 23h 0m |
| 2026-05-21 | CSG2662 | - | May 21, 14:35 UTC | May 22, 03:55 UTC | 13h 20m |
| 2026-05-21 | CSG2661 | - | May 21, 02:40 UTC | May 21, 07:50 UTC | 5h 10m |
| 2026-05-20 | CSG2661 | - | May 20, 11:00 UTC | May 21, 01:15 UTC | 14h 15m |
| 2026-05-20 | CSG2661 | - | May 20, 01:35 UTC | May 21, 01:15 UTC | 23h 41m |
| 2026-05-20 | CSG2654 | - | May 20, 00:30 UTC | May 20, 19:25 UTC | 18h 56m |
| 2026-05-19 | CSG2653 | - | May 19, 11:35 UTC | May 19, 21:40 UTC | 10h 5m |
| 2026-05-19 | CSG2653 | - | May 19, 02:25 UTC | May 19, 21:40 UTC | 19h 15m |
| 2026-05-18 | CSG2526 | - | May 18, 17:35 UTC | May 19, 13:05 UTC | 19h 29m |
| 2026-05-18 | CSG2526 | - | May 18, 15:35 UTC | May 19, 13:05 UTC | 21h 29m |
| 2026-05-18 | CSG2526 | - | May 18, 13:35 UTC | May 19, 13:05 UTC | 23h 29m |
| 2026-05-18 | CSG2526 | - | May 18, 12:05 UTC | May 19, 02:35 UTC | 14h 29m |
| 2026-05-18 | CSG2525 | - | May 18, 04:25 UTC | May 18, 07:45 UTC | 3h 20m |
| 2026-05-18 | CSG2525 | - | May 18, 01:40 UTC | May 18, 04:20 UTC | 2h 40m |
| 2026-05-17 | CSG2525 | - | May 17, 10:00 UTC | May 18, 00:15 UTC | 14h 15m |
| 2026-05-16 | CSG2654 | - | May 16, 23:35 UTC | May 17, 23:30 UTC | 23h 55m |
| 2026-05-16 | CSG2653 | - | May 16, 10:50 UTC | May 16, 21:10 UTC | 10h 20m |
| 2026-05-15 | CSG2653 | - | May 15, 19:20 UTC | May 16, 12:35 UTC | 17h 16m |
| 2026-05-15 | CSG2522 | - | May 15, 06:05 UTC | May 15, 19:55 UTC | 13h 49m |
| 2026-05-14 | CSG2521 | - | May 14, 19:35 UTC | May 15, 01:40 UTC | 6h 5m |
| 2026-05-14 | CSG2521 | - | May 14, 00:20 UTC | May 14, 18:05 UTC | 17h 45m |
| 2026-05-13 | CSG2521 | - | May 13, 19:35 UTC | May 14, 18:05 UTC | 22h 30m |
| 2026-05-13 | CSG2521 | - | May 13, 18:25 UTC | May 14, 17:30 UTC | 23h 5m |
| 2026-05-13 | CSG2654 | - | May 13, 13:50 UTC | May 14, 12:00 UTC | 22h 10m |
| 2026-05-13 | CSG2537 | - | May 13, 06:15 UTC | May 13, 11:15 UTC | 5h 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 B-2071 page for operator, model, and routing details .