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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
- 10 Aug 2026, 07:43
- Logged visits
- 716
The station's story
- Cumulative contact time
- 287 h
- Distinct days
- 375
- Highest captured altitude
- 40,900 ft
- Discovery rank
- #9,811 of 57,441
- Longest contact
- 1 h 9 min
Observed callsigns
UAL (638 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 |
|---|---|---|---|---|---|
| UAL748 | KORD > KSEA | 15 Mar 2026, 05:1415 Mar 2026 | 15 Mar 2026, 06:10 | not transmitted | 5,556 |
| UAL53 | LSZH > KIAD | 10 Feb 2026, 12:1910 Feb 2026 | 10 Feb 2026, 12:39 | 32,000 ft | 1,460 |
| UAL52 | KIAD > LSZH | 10 Feb 2026, 06:5710 Feb 2026 | 10 Feb 2026, 07:23 | 13,300 ft | 1,884 |
| UAL749 | KCVG > KDEN | 2 Feb 2026, 11:172 Feb 2026 | 2 Feb 2026, 11:55 | 32,000 ft | 1,485 |
| UAL748 | KORD > KSEA | 2 Feb 2026, 07:242 Feb 2026 | 2 Feb 2026, 07:49 | not transmitted | 2,243 |
| UAL749 | KCVG > KDEN | 5 Jan 2026, 11:185 Jan 2026 | 5 Jan 2026, 11:57 | 31,000 ft | 1,400 |
| UAL748 | KORD > KSEA | 5 Jan 2026, 06:595 Jan 2026 | 5 Jan 2026, 07:30 | not transmitted | 2,154 |
| UAL53 | LSZH > KIAD | 3 Jan 2026, 12:303 Jan 2026 | 3 Jan 2026, 12:50 | 30,000 ft | 1,075 |
| UAL52 | KIAD > LSZH | 3 Jan 2026, 07:043 Jan 2026 | 3 Jan 2026, 07:18 | 14,450 ft | 946 |
| UAL885 | LIRF > KIAD | 25 Dec 2025, 12:0025 Dec 2025 | 25 Dec 2025, 12:22 | 32,000 ft | 1,116 |
| UAL884 | KIAD > LIRF | 25 Dec 2025, 07:3325 Dec 2025 | 25 Dec 2025, 07:55 | 33,000 ft | 1,415 |
| UAL53 | LSZH > KIAD | 22 Dec 2025, 13:4422 Dec 2025 | 22 Dec 2025, 14:00 | 31,950 ft | 1,077 |
| UAL52 | KIAD > LSZH | 22 Dec 2025, 08:3622 Dec 2025 | 22 Dec 2025, 08:53 | 12,725 ft | 1,274 |
| UAL885 | LIRF > KIAD | 21 Dec 2025, 12:1821 Dec 2025 | 21 Dec 2025, 12:36 | 32,025 ft | 1,031 |
| UAL884 | KIAD > LIRF | 21 Dec 2025, 06:4921 Dec 2025 | 21 Dec 2025, 07:13 | 37,000 ft | 1,475 |
| UAL53 | LSZH > KIAD | 12 Dec 2025, 17:0612 Dec 2025 | 12 Dec 2025, 17:23 | 32,000 ft | 1,055 |
| UAL52 | KIAD > LSZH | 12 Dec 2025, 14:5312 Dec 2025 | 12 Dec 2025, 15:12 | 13,350 ft | 1,163 |
| UAL53 | LSZH > KIAD | 8 Dec 2025, 12:048 Dec 2025 | 8 Dec 2025, 12:24 | 32,000 ft | 1,058 |
| UAL52 | KIAD > LSZH | 8 Dec 2025, 06:208 Dec 2025 | 8 Dec 2025, 06:42 | 12,175 ft | 1,663 |
| UAL53 | LSZH > KIAD | 1 Dec 2025, 12:551 Dec 2025 | 1 Dec 2025, 13:12 | 30,000 ft | 1,100 |
| UAL52 | KIAD > LSZH | 1 Dec 2025, 06:391 Dec 2025 | 1 Dec 2025, 07:02 | 14,525 ft | 1,759 |
| UAL749 | KCVG > KDEN | 29 Nov 2025, 11:1429 Nov 2025 | 29 Nov 2025, 11:58 | 30,000 ft | 2,178 |
| UAL748 | KORD > KSEA | 29 Nov 2025, 06:3229 Nov 2025 | 29 Nov 2025, 06:59 | not transmitted | 2,662 |
| UAL749 | KCVG > KDEN | 17 Nov 2025, 12:1717 Nov 2025 | 17 Nov 2025, 12:52 | 34,000 ft | 1,216 |
| UAL748 | KORD > KSEA | 17 Nov 2025, 07:0417 Nov 2025 | 17 Nov 2025, 07:32 | not transmitted | 2,329 |