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
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
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
DAL1126 Apr 202641,000 ft
DAL2074 Apr 202634,000 ft
DAL1124 Apr 202639,000 ft
DAL23419 Feb 202638,975 ft
DAL23110 Feb 202636,000 ft
DAL23010 Feb 202637,000 ft
DAL23513 Jan 202636,000 ft
DAL23413 Jan 202637,000 ft
DAL678 Jan 202636,000 ft
DAL668 Jan 202629,025 ft
DAL6731 Dec 202534,000 ft
DAL6631 Dec 202541,000 ft
DAL6723 Dec 202534,000 ft
DAL6623 Dec 2025not transmitted
DAL6715 Dec 202536,000 ft
DAL672 Dec 202532,000 ft
DAL662 Dec 202539,000 ft
DAL2151 Dec 202534,000 ft
DAL2141 Dec 202541,000 ft
DAL23127 Nov 202536,000 ft
DAL23027 Nov 202539,000 ft
DAL23526 Nov 202536,000 ft
DAL23426 Nov 202536,975 ft
DAL20314 Nov 202534,000 ft
DAL20214 Nov 202539,000 ft