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Aircraft
N643UA
Common
- Mode S hex
- A87223
- Manufacturer
- Boeing
- Serial number
- 25093
- Year built
- 199135 years old
- Operator
- United Airlines (UAL)
- Country of registration
- États-UnisICAO address allocated by United States, aircraft registered in États-Unis.
- First contact
- 6 May 2016, 06:46
- Last contact
- 11 Aug 2026, 15:44
- Logged visits
- 718
The station's story
- Cumulative contact time
- 288 h
- Distinct days
- 376
- Highest captured altitude
- 40,900 ft
- Discovery rank
- #9,811 of 57,065
- Longest contact
- 1 h 9 min
Observed callsigns
UAL (640 contacts, 2016-2026)
Operator as per the registry of 29 Jul 2026; observed callsigns are the freshest measurement.
Visits
| Callsign | Route | First contact | Last contact | Altitude at end of contact | Positions |
|---|---|---|---|---|---|
| not transmitted | route not resolved | 16 Feb 2025, 07:0916 Feb 2025 | 16 Feb 2025, 07:37 | not transmitted | 2,196 |
| not transmitted | route not resolved | 14 Feb 2025, 11:2114 Feb 2025 | 14 Feb 2025, 11:59 | 34,000 ft | 1,478 |
| not transmitted | route not resolved | 14 Feb 2025, 07:3414 Feb 2025 | 14 Feb 2025, 08:01 | not transmitted | 2,214 |
| not transmitted | route not resolved | 12 Feb 2025, 09:3912 Feb 2025 | 12 Feb 2025, 09:59 | 13,225 ft | 1,198 |
| not transmitted | route not resolved | 11 Feb 2025, 11:1711 Feb 2025 | 11 Feb 2025, 11:51 | 32,025 ft | 1,313 |
| not transmitted | route not resolved | 11 Feb 2025, 06:3211 Feb 2025 | 11 Feb 2025, 07:05 | not transmitted | 2,636 |
| not transmitted | route not resolved | 9 Feb 2025, 11:209 Feb 2025 | 9 Feb 2025, 11:55 | 32,000 ft | 1,202 |
| not transmitted | route not resolved | 9 Feb 2025, 08:039 Feb 2025 | 9 Feb 2025, 08:37 | not transmitted | 2,801 |
| not transmitted | route not resolved | 7 Jan 2025, 15:247 Jan 2025 | 7 Jan 2025, 16:07 | 34,000 ft | 1,626 |
| not transmitted | route not resolved | 7 Jan 2025, 12:527 Jan 2025 | 7 Jan 2025, 13:21 | not transmitted | 2,553 |
| not transmitted | route not resolved | 4 Jan 2025, 12:594 Jan 2025 | 4 Jan 2025, 13:38 | 32,000 ft | 1,212 |
| not transmitted | route not resolved | 4 Jan 2025, 11:224 Jan 2025 | 4 Jan 2025, 12:02 | not transmitted | no position received |
| not transmitted | route not resolved | 4 Jan 2025, 08:264 Jan 2025 | 4 Jan 2025, 08:57 | 1,175 ft | 2,268 |
| not transmitted | route not resolved | 3 Jan 2025, 11:233 Jan 2025 | 3 Jan 2025, 12:07 | 34,000 ft | 1,473 |
| not transmitted | route not resolved | 3 Jan 2025, 06:543 Jan 2025 | 3 Jan 2025, 07:25 | not transmitted | 2,405 |
| not transmitted | route not resolved | 1 Jan 2025, 11:281 Jan 2025 | 1 Jan 2025, 12:02 | 32,000 ft | 1,261 |
| not transmitted | route not resolved | 1 Jan 2025, 08:211 Jan 2025 | 1 Jan 2025, 08:51 | not transmitted | 2,345 |
| not transmitted | route not resolved | 30 Dec 2024, 11:1930 Dec 2024 | 30 Dec 2024, 12:11 | 32,000 ft | 1,230 |
| not transmitted | route not resolved | 30 Dec 2024, 07:2730 Dec 2024 | 30 Dec 2024, 07:58 | not transmitted | 2,374 |
| not transmitted | route not resolved | 28 Dec 2024, 11:1828 Dec 2024 | 28 Dec 2024, 11:54 | 32,025 ft | 1,210 |
| not transmitted | route not resolved | 28 Dec 2024, 07:5028 Dec 2024 | 28 Dec 2024, 08:21 | not transmitted | 2,335 |
| not transmitted | route not resolved | 16 Dec 2024, 13:4616 Dec 2024 | 16 Dec 2024, 14:08 | 32,025 ft | 1,046 |
| UAL749 | KCVG > KDEN | 1 Dec 2024, 11:121 Dec 2024 | 1 Dec 2024, 11:47 | 32,000 ft | 1,414 |
| UAL748 | KORD > KSEA | 1 Dec 2024, 07:031 Dec 2024 | 1 Dec 2024, 07:36 | not transmitted | 2,806 |
| UAL749 | KCVG > KDEN | 23 Nov 2024, 11:2023 Nov 2024 | 23 Nov 2024, 12:00 | 34,000 ft | 1,444 |