HB9EYARADIO & ADS-B
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Aircraft

N421DX

Common

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Mode S hex
A4FFB7
Type
Airbus A330-900A339
Manufacturer
Airbus Sas
Serial number
2028
Year built
2023
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
6 Aug 2026, 11:14
Logged visits
293

The station's story

Cumulative contact time
103 h
Distinct days
167
Highest captured altitude
41,000 ft
Discovery rank
#48,145 of 57,065
Longest contact
0 h 33 min
Contacts on this Mode S address
294 contacts on the address, 293 under this registration: the address has carried several identities over time.

Observed callsigns

DAL (293 contacts, 2023-2026)

Operator as per the registry of 21.07.2026; observed callsigns are the freshest measurement.

Visits

CallsignFirst contactAltitude at end of contact
DAL2236 Aug 202634,000 ft
DAL2406 Aug 202639,000 ft
DAL2073 Aug 202636,000 ft
DAL29731 Jul 202636,000 ft
DAL29631 Jul 202639,000 ft
DAL22325 Jul 202636,000 ft
DAL24025 Jul 202639,000 ft
DAL21318 Jul 202636,000 ft
DAL21218 Jul 202639,000 ft
DAL20317 Jul 202638,000 ft
DAL20217 Jul 202639,000 ft
DAL21314 Jul 202636,000 ft
DAL21214 Jul 202639,000 ft
DAL20313 Jul 202638,000 ft
DAL20213 Jul 202639,000 ft
DAL2225 Jul 202639,000 ft
DAL2154 Jul 202636,000 ft
DAL2144 Jul 202639,000 ft
DAL2221 Jul 202639,000 ft
DAL678 Jun 202632,000 ft
DAL668 Jun 202641,000 ft
DAL2977 Jun 202636,000 ft
DAL2967 Jun 202639,000 ft
DAL99233 Jun 202636,000 ft
DAL2402 Jun 202639,000 ft