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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
- 3 Aug 2026, 11:54
- Logged visits
- 261
The station's story
- Cumulative contact time
- 87 h
- Distinct days
- 176
- Highest captured altitude
- 39,025 ft
- 1 corrupted frame(s) excluded from this maximum
- Discovery rank
- #48,119 of 57,441
- Longest contact
- 0 h 30 min
- Contacts on this Mode S address
- 262 contacts on the address, 261 under this registration: the address has carried several identities over time.
Observed callsigns
UAL (259 contacts, 2023-2026)
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 |
|---|---|---|---|---|---|
| UAL84 | KEWR > LLBG | 13 Aug 2025, 04:3413 Aug 2025 | 13 Aug 2025, 04:45 | 37,000 ft | 501 |
| UAL91 | LLBG > KEWR | 12 Aug 2025, 02:2412 Aug 2025 | 12 Aug 2025, 02:35 | 36,000 ft | 956 |
| UAL90 | KEWR > LLBG | 11 Aug 2025, 12:3011 Aug 2025 | 11 Aug 2025, 12:33 | 36,975 ft | 77 |
| UAL125 | LGAV > KEWR | 9 Aug 2025, 11:259 Aug 2025 | 9 Aug 2025, 11:49 | 36,000 ft | 630 |
| UAL124 | KEWR > LGAV | 9 Aug 2025, 04:519 Aug 2025 | 9 Aug 2025, 05:05 | 38,975 ft | 951 |
| UAL422 | KLAS > KSFO | 23 Jul 2025, 06:5823 Jul 2025 | 23 Jul 2025, 07:23 | 39,000 ft | 1,170 |
| UAL970 | KORD > LIRF | 22 Jul 2025, 06:2422 Jul 2025 | 22 Jul 2025, 06:49 | 38,975 ft | 1,419 |
| UAL125 | LGAV > KEWR | 3 Jul 2025, 11:293 Jul 2025 | 3 Jul 2025, 11:53 | 33,975 ft | 872 |
| UAL124 | KEWR > LGAV | 3 Jul 2025, 04:593 Jul 2025 | 3 Jul 2025, 05:22 | 37,000 ft | 1,571 |
| UAL423 | CYYZ > KDEN | 18 Jun 2025, 14:2218 Jun 2025 | 18 Jun 2025, 14:44 | 33,975 ft | 677 |
| UAL422 | KLAS > KSFO | 18 Jun 2025, 08:0518 Jun 2025 | 18 Jun 2025, 08:16 | not transmitted | 165 |
| UAL971 | LIRF > KORD | 17 Jun 2025, 12:0617 Jun 2025 | 17 Jun 2025, 12:25 | 31,975 ft | 1,095 |
| UAL970 | KORD > LIRF | 17 Jun 2025, 07:2717 Jun 2025 | 17 Jun 2025, 07:51 | 39,000 ft | 1,103 |
| UAL971 | LIRF > KORD | 16 Jun 2025, 11:2916 Jun 2025 | 16 Jun 2025, 11:42 | 31,975 ft | 345 |
| UAL970 | KORD > LIRF | 16 Jun 2025, 06:3816 Jun 2025 | 16 Jun 2025, 07:05 | 38,975 ft | 1,590 |
| UAL423 | CYYZ > KDEN | 10 Jun 2025, 14:3210 Jun 2025 | 10 Jun 2025, 14:44 | 34,000 ft | 104 |
| UAL971 | LIRF > KORD | 9 Jun 2025, 11:289 Jun 2025 | 9 Jun 2025, 11:47 | 32,000 ft | 943 |
| UAL970 | KORD > LIRF | 9 Jun 2025, 06:309 Jun 2025 | 9 Jun 2025, 06:56 | 39,000 ft | 1,499 |
| UAL125 | LGAV > KEWR | 30 May 2025, 11:4430 May 2025 | 30 May 2025, 11:56 | 34,000 ft | 167 |
| UAL124 | KEWR > LGAV | 30 May 2025, 04:5530 May 2025 | 30 May 2025, 05:20 | 39,000 ft | 1,635 |
| UAL971 | LIRF > KORD | 28 May 2025, 11:1528 May 2025 | 28 May 2025, 11:43 | 34,000 ft | 1,236 |
| UAL970 | KORD > LIRF | 28 May 2025, 06:2328 May 2025 | 28 May 2025, 06:44 | 38,975 ft | 1,588 |
| UAL422 | KLAS > KSFO | 25 May 2025, 06:5825 May 2025 | 25 May 2025, 07:11 | 38,975 ft | 375 |
| UAL125 | LGAV > KEWR | 18 May 2025, 12:0218 May 2025 | 18 May 2025, 12:14 | 35,975 ft | 140 |
| UAL125 | LGAV > KEWR | 15 May 2025, 11:4715 May 2025 | 15 May 2025, 12:11 | 37,975 ft | 973 |
