sensors Mode-S transponder
7805AA
ICAO 24-bit transponder address · allocated to China
Currently assigned to B-2075 · BOEING 777-200LR
- Hex
- 7805AA
- Octal
- 36002652
- Decimal
- 7,865,770
- Country
- CN
- Tail
- B-2075
- Type
- B77L
- Flights observed
- 108
- Distinct callsigns
- 20
- Country
- CN
- Last broadcast
- 7h ago
Last known position
Country allocation
The ICAO 24-bit address 7805AA 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 |
|---|---|---|---|
| CSG2545 | - | 18 | 2026-05-30 |
| CSG2546 | - | 7 | 2026-05-31 |
| CSG2529 | - | 6 | 2026-05-19 |
| CSG2530 | - | 5 | 2026-05-20 |
| CSG2698 | - | 4 | 2026-05-07 |
| CSG2544 | - | 4 | 2026-05-12 |
| CSG2543 | - | 4 | 2026-05-11 |
| CSG2540 | - | 4 | 2026-05-25 |
| CSG2507 | - | 4 | 2026-05-10 |
| CSG2697 | - | 3 | 2026-05-07 |
| CSG2598 | - | 3 | 2026-04-30 |
| CSG2532 | - | 3 | 2026-05-23 |
| CSG2526 | - | 3 | 2026-04-27 |
| CSG2514 | - | 3 | 2026-05-09 |
| CSG2513 | - | 3 | 2026-05-08 |
| CSG2505 | - | 3 | 2026-05-01 |
| CSG2597 | - | 2 | 2026-04-30 |
| CSG2538 | - | 2 | 2026-06-02 |
| CSG2537 | - | 2 | 2026-06-01 |
| CSG2535 | - | 2 | 2026-05-19 |
Recent flights last 50
| Date | Flight | Route | Takeoff | Landing | Duration |
|---|---|---|---|---|---|
| 2026-06-02 | CSG2538 | - | Jun 2, 01:25 UTC | Jun 2, 12:40 UTC | 11h 15m |
| 2026-06-01 | CSG2537 | - | Jun 1, 17:50 UTC | Jun 1, 22:50 UTC | 5h 0m |
| 2026-06-01 | CSG2537 | - | Jun 1, 15:15 UTC | Jun 1, 16:40 UTC | 1h 25m |
| 2026-05-31 | CSG2546 | - | May 31, 09:45 UTC | May 31, 10:00 UTC | 15m |
| 2026-05-30 | CSG2545 | ANC → JFK | May 30, 17:05 UTC | May 30, 23:50 UTC | 6h 45m |
| 2026-05-30 | CSG2545 | - | May 30, 08:50 UTC | May 30, 15:30 UTC | 6h 40m |
| 2026-05-29 | CSG2545 | - | May 29, 18:35 UTC | May 30, 15:30 UTC | 20h 55m |
| 2026-05-29 | CSG2545 | - | May 29, 17:00 UTC | May 30, 15:30 UTC | 22h 30m |
| 2026-05-29 | CSG2515 | - | May 29, 07:05 UTC | May 29, 13:40 UTC | 6h 35m |
| 2026-05-26 | CSG2692 | - | May 26, 10:34 UTC | May 26, 12:45 UTC | 2h 10m |
| 2026-05-25 | CSG2691 | - | May 25, 13:30 UTC | May 26, 07:40 UTC | 18h 10m |
| 2026-05-25 | CSG2540 | - | May 25, 06:35 UTC | May 26, 06:29 UTC | 23h 54m |
| 2026-05-25 | CSG2540 | - | May 25, 02:35 UTC | May 26, 01:40 UTC | 23h 5m |
| 2026-05-24 | CSG2540 | - | May 24, 18:35 UTC | May 25, 13:55 UTC | 19h 20m |
| 2026-05-24 | CSG2540 | - | May 24, 17:55 UTC | May 25, 13:55 UTC | 20h 0m |
| 2026-05-23 | CSG2539 | - | May 23, 22:35 UTC | May 24, 16:40 UTC | 18h 5m |
| 2026-05-23 | CSG2532 | - | May 23, 18:35 UTC | May 24, 16:40 UTC | 22h 5m |
| 2026-05-23 | CSG2532 | - | May 23, 17:05 UTC | May 24, 16:30 UTC | 23h 25m |
| 2026-05-23 | CSG2531 | - | May 23, 07:35 UTC | May 23, 14:30 UTC | 6h 55m |
| 2026-05-22 | CSG2546 | - | May 22, 22:35 UTC | May 22, 22:45 UTC | 10m |
| 2026-05-22 | CSG2546 | - | May 22, 07:55 UTC | May 22, 14:15 UTC | 6h 20m |
| 2026-05-21 | CSG2545 | ANC → JFK | May 21, 22:35 UTC | May 22, 04:45 UTC | 6h 10m |
| 2026-05-21 | CSG2545 | - | May 21, 14:05 UTC | May 21, 21:15 UTC | 7h 10m |
| 2026-05-20 | CSG2545 | - | May 20, 23:05 UTC | May 21, 21:15 UTC | 22h 10m |
| 2026-05-20 | CSG2545 | - | May 20, 20:55 UTC | May 21, 20:30 UTC | 23h 35m |
| 2026-05-20 | CSG2530 | - | May 20, 18:35 UTC | May 21, 15:20 UTC | 20h 45m |
| 2026-05-20 | CSG2530 | - | May 20, 17:20 UTC | May 21, 15:20 UTC | 22h 0m |
| 2026-05-19 | CSG2529 | - | May 19, 20:35 UTC | May 20, 14:45 UTC | 18h 11m |
| 2026-05-19 | CSG2529 | - | May 19, 19:30 UTC | May 20, 14:45 UTC | 19h 16m |
| 2026-05-19 | CSG2536 | - | May 19, 08:50 UTC | May 20, 08:30 UTC | 23h 41m |
| 2026-05-19 | CSG2535 | - | May 19, 01:35 UTC | May 19, 06:05 UTC | 4h 30m |
| 2026-05-18 | CSG2535 | - | May 18, 16:30 UTC | May 18, 23:55 UTC | 7h 24m |
| 2026-05-17 | CSG2546 | - | May 17, 06:50 UTC | May 17, 13:05 UTC | 6h 15m |
| 2026-05-16 | CSG2545 | ANC → JFK | May 16, 21:45 UTC | May 17, 04:05 UTC | 6h 20m |
| 2026-05-16 | CSG2545 | - | May 16, 13:05 UTC | May 16, 20:20 UTC | 7h 15m |
| 2026-05-15 | CSG2545 | - | May 15, 22:35 UTC | May 16, 20:20 UTC | 21h 46m |
| 2026-05-15 | CSG2545 | - | May 15, 20:55 UTC | May 16, 20:20 UTC | 23h 26m |
| 2026-05-15 | CSG2515 | - | May 15, 11:40 UTC | May 15, 18:30 UTC | 6h 49m |
| 2026-05-14 | CSG2546 | - | May 14, 03:05 UTC | May 14, 09:15 UTC | 6h 10m |
| 2026-05-13 | CSG2545 | ANC → JFK | May 13, 17:45 UTC | May 14, 00:15 UTC | 6h 30m |
| 2026-05-13 | CSG2545 | - | May 13, 09:15 UTC | May 13, 16:20 UTC | 7h 5m |
| 2026-05-12 | CSG2544 | - | May 12, 10:15 UTC | May 12, 21:35 UTC | 11h 20m |
| 2026-05-11 | CSG2543 | - | May 11, 16:25 UTC | May 12, 07:25 UTC | 15h 0m |
| 2026-05-10 | CSG2550 | - | May 10, 20:35 UTC | May 11, 17:45 UTC | 21h 11m |
| 2026-05-10 | CSG2507 | ANC → ORD | May 10, 12:34 UTC | May 10, 17:59 UTC | 5h 25m |
| 2026-05-09 | CSG2507 | - | May 9, 19:45 UTC | May 10, 10:45 UTC | 15h 0m |
| 2026-05-09 | CSG2507 | - | May 9, 12:35 UTC | May 10, 10:45 UTC | 22h 10m |
| 2026-05-09 | CSG2507 | - | May 9, 11:50 UTC | May 10, 10:30 UTC | 22h 40m |
| 2026-05-09 | CSG2514 | - | May 9, 08:35 UTC | May 10, 04:55 UTC | 20h 20m |
| 2026-05-09 | CSG2514 | - | May 9, 07:55 UTC | May 10, 04:55 UTC | 21h 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-2075 page for operator, model, and routing details .