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Aircraft
N12021
Common
- Mode S hex
- A0566A
- Manufacturer
- Boeing
- Serial number
- 66990
- Year built
- 20224 years old
- Operator
- United Airlines (UAL)
- Country of registration
- États-UnisICAO address allocated by United States, aircraft registered in États-Unis.
- First contact
- 8 Apr 2023, 06:05
- Last contact
- 10 Nov 2026, 07:14
- Logged visits
- 303
The station's story
- Cumulative contact time
- 101 h
- Distinct days
- 203
- Highest captured altitude
- 39,975 ft
- 1 corrupted frame(s) excluded from this maximum
- Discovery rank
- #48,604 of 60,656
- Longest contact
- 0 h 30 min
- Contacts on this Mode S address
- 304 contacts on the address, 303 under this registration: the address has carried several identities over time.
Observed callsigns
UAL (301 contacts, 2023-2026)
Operator as per the registry of 9 Nov 2026; observed callsigns are the freshest measurement.
Visits
| Callsign | Route | First contact | Last contact | Altitude at end of contact | Positions |
|---|---|---|---|---|---|
| UAL125 | LGAV > KEWR | 6 Jul 2026, 11:466 Jul 2026 | 6 Jul 2026, 12:09 | 34,000 ft | 562 |
| UAL124 | KEWR > LGAV | 6 Jul 2026, 04:296 Jul 2026 | 6 Jul 2026, 04:54 | 38,975 ft | 1,771 |
| UAL971 | LIRF > KORD | 2 Jul 2026, 12:342 Jul 2026 | 2 Jul 2026, 12:55 | 32,000 ft | 636 |
| UAL970 | KORD > LIRF | 2 Jul 2026, 07:572 Jul 2026 | 2 Jul 2026, 08:24 | 39,000 ft | 1,260 |
| UAL971 | LIRF > KORD | 1 Jul 2026, 11:021 Jul 2026 | 1 Jul 2026, 11:27 | 32,000 ft | 1,298 |
| UAL970 | KORD > LIRF | 1 Jul 2026, 06:311 Jul 2026 | 1 Jul 2026, 06:55 | 38,975 ft | 1,607 |
| UAL422 | KLAS > KSFO | 29 Jun 2026, 06:5029 Jun 2026 | 29 Jun 2026, 07:19 | 39,000 ft | 1,211 |
| UAL971 | LIRF > KORD | 28 Jun 2026, 10:5628 Jun 2026 | 28 Jun 2026, 11:13 | 34,000 ft | 1,047 |
| UAL970 | KORD > LIRF | 28 Jun 2026, 06:3428 Jun 2026 | 28 Jun 2026, 06:59 | 38,975 ft | 1,633 |
| UAL971 | LIRF > KORD | 27 Jun 2026, 11:1527 Jun 2026 | 27 Jun 2026, 11:33 | 33,975 ft | 1,046 |
| UAL970 | KORD > LIRF | 27 Jun 2026, 06:1427 Jun 2026 | 27 Jun 2026, 06:37 | 37,000 ft | 1,698 |
| UAL415 | KDEN > KSBA | 25 Jun 2026, 17:0025 Jun 2026 | 25 Jun 2026, 17:25 | 34,000 ft | 1,206 |
| UAL416 | KDEN > KMSO | 25 Jun 2026, 13:2525 Jun 2026 | 25 Jun 2026, 13:47 | 22,950 ft | 925 |
| UAL415 | KDEN > KSBA | 24 Jun 2026, 15:5824 Jun 2026 | 24 Jun 2026, 16:22 | 31,975 ft | 1,130 |
| UAL416 | KDEN > KMSO | 24 Jun 2026, 12:0924 Jun 2026 | 24 Jun 2026, 12:35 | 24,575 ft | 1,166 |
| UAL422 | KLAS > KSFO | 15 Jun 2026, 07:5815 Jun 2026 | 15 Jun 2026, 08:03 | 36,975 ft | 160 |
| UAL971 | LIRF > KORD | 14 Jun 2026, 11:0114 Jun 2026 | 14 Jun 2026, 11:15 | 33,975 ft | 394 |
| UAL970 | KORD > LIRF | 14 Jun 2026, 06:1114 Jun 2026 | 14 Jun 2026, 06:36 | 36,975 ft | 1,669 |
| UAL971 | LIRF > KORD | 11 Jun 2026, 12:0311 Jun 2026 | 11 Jun 2026, 12:24 | 32,000 ft | 788 |
| UAL970 | KORD > LIRF | 11 Jun 2026, 07:4411 Jun 2026 | 11 Jun 2026, 08:05 | 39,000 ft | 1,148 |
| UAL415 | KDEN > KSBA | 8 Jun 2026, 16:228 Jun 2026 | 8 Jun 2026, 16:49 | 33,975 ft | 896 |
| UAL416 | KDEN > KMSO | 8 Jun 2026, 12:598 Jun 2026 | 8 Jun 2026, 13:25 | 21,250 ft | 857 |
| UAL415 | KDEN > KSBA | 7 Jun 2026, 15:577 Jun 2026 | 7 Jun 2026, 16:23 | 31,975 ft | 1,137 |
| UAL416 | KDEN > KMSO | 7 Jun 2026, 12:267 Jun 2026 | 7 Jun 2026, 12:46 | 26,450 ft | 670 |
| UAL415 | KDEN > KSBA | 2 Jun 2026, 16:242 Jun 2026 | 2 Jun 2026, 16:46 | 35,975 ft | 1,148 |
