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Aircraft
N421DX
Common
- Mode S hex
- A4FFB7
- Manufacturer
- Airbus Sas
- Serial number
- 2028
- Year built
- 20233 years old
- Operator
- Delta Air Lines (DAL)
- Country of registration
- États-UnisICAO address allocated by United States, aircraft registered in États-Unis.
- First contact
- 11 Apr 2023, 04:54
- Last contact
- 29 Sept 2026, 06:01
- Logged visits
- 306
The station's story
- Cumulative contact time
- 108 h
- Distinct days
- 176
- Highest captured altitude
- 41,000 ft
- Discovery rank
- #48,511 of 60,208
- Longest contact
- 0 h 33 min
- Contacts on this Mode S address
- 307 contacts on the address, 306 under this registration: the address has carried several identities over time.
Observed callsigns
DAL (306 contacts, 2023-2026)
Operator as per the registry of 28 Sept 2026; observed callsigns are the freshest measurement.
Visits
| Callsign | Route | First contact | Last contact | Altitude at end of contact | Positions |
|---|---|---|---|---|---|
| DAL206 | KJFK > EINN | 14 May 2025, 08:1414 May 2025 | 14 May 2025, 08:38 | 39,000 ft | 1,115 |
| DAL207 | EINN > KJFK | 11 May 2025, 10:0711 May 2025 | 11 May 2025, 10:32 | 36,000 ft | 749 |
| DAL112 | KBOS > LIRF | 11 May 2025, 05:3511 May 2025 | 11 May 2025, 05:57 | 39,000 ft | 1,634 |
| DAL241 | LGAV > KBOS | 8 May 2025, 15:128 May 2025 | 8 May 2025, 15:38 | 36,000 ft | 980 |
| DAL222 | KATL > LGAV | 8 May 2025, 08:128 May 2025 | 8 May 2025, 08:27 | 39,000 ft | 679 |
| DAL223 | LGAV > KATL | 4 May 2025, 11:564 May 2025 | 4 May 2025, 12:24 | 36,000 ft | 916 |
| DAL240 | KBOS > LGAV | 4 May 2025, 04:494 May 2025 | 4 May 2025, 05:16 | 39,000 ft | 1,855 |
| DAL67 | LIRF > KATL | 18 Apr 2025, 12:5518 Apr 2025 | 18 Apr 2025, 13:12 | 34,000 ft | 663 |
| DAL182 | KJFK > LIRF | 18 Apr 2025, 06:2718 Apr 2025 | 18 Apr 2025, 06:48 | 39,000 ft | 1,320 |
| DAL67 | LIRF > KATL | 5 Apr 2025, 12:395 Apr 2025 | 5 Apr 2025, 12:52 | 34,000 ft | 475 |
| DAL112 | KBOS > LIRF | 5 Apr 2025, 05:245 Apr 2025 | 5 Apr 2025, 05:47 | 39,000 ft | 1,774 |
| DAL223 | LGAV > KATL | 2 Apr 2025, 11:542 Apr 2025 | 2 Apr 2025, 12:20 | 38,000 ft | 1,007 |
| DAL222 | KATL > LGAV | 2 Apr 2025, 03:572 Apr 2025 | 2 Apr 2025, 04:20 | 39,000 ft | 1,853 |
| DAL67 | LIRF > KATL | 30 Mar 2025, 12:5230 Mar 2025 | 30 Mar 2025, 13:06 | 34,000 ft | 614 |
| DAL182 | KJFK > LIRF | 30 Mar 2025, 05:5230 Mar 2025 | 30 Mar 2025, 06:14 | 33,000 ft | 1,509 |
| DAL183 | LIRF > KJFK | 29 Mar 2025, 09:2229 Mar 2025 | 29 Mar 2025, 09:35 | 34,000 ft | 664 |
| DAL182 | KJFK > LIRF | 29 Mar 2025, 04:3829 Mar 2025 | 29 Mar 2025, 05:01 | 40,000 ft | 1,706 |
| DAL113 | LIRF > KBOS | 26 Mar 2025, 10:2326 Mar 2025 | 26 Mar 2025, 10:51 | 36,000 ft | 1,182 |
| DAL112 | KBOS > LIRF | 26 Mar 2025, 05:3526 Mar 2025 | 26 Mar 2025, 06:02 | 39,000 ft | 2,038 |
| DAL203 | LGAV > KJFK | 20 Mar 2025, 12:5820 Mar 2025 | 20 Mar 2025, 13:28 | 36,000 ft | 1,141 |
| DAL202 | KJFK > LGAV | 20 Mar 2025, 06:3720 Mar 2025 | 20 Mar 2025, 07:01 | 39,000 ft | 1,557 |
| DAL231 | LFPG > KRDU | 19 Mar 2025, 12:2019 Mar 2025 | 19 Mar 2025, 12:45 | 34,000 ft | 1,201 |
| DAL230 | KRDU > LFPG | 19 Mar 2025, 08:1119 Mar 2025 | 19 Mar 2025, 08:37 | 39,000 ft | 1,247 |
| DAL203 | LGAV > KJFK | 18 Mar 2025, 14:5618 Mar 2025 | 18 Mar 2025, 15:19 | 34,000 ft | 969 |
| DAL202 | KJFK > LGAV | 18 Mar 2025, 08:1318 Mar 2025 | 18 Mar 2025, 08:40 | 39,000 ft | 1,667 |
