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
DAL6730 Mar 202534,000 ft
DAL18230 Mar 202533,000 ft
DAL18329 Mar 202534,000 ft
DAL18229 Mar 202540,000 ft
DAL11326 Mar 202536,000 ft
DAL11226 Mar 202539,000 ft
DAL20320 Mar 202536,000 ft
DAL20220 Mar 202539,000 ft
DAL23119 Mar 202534,000 ft
DAL23019 Mar 202539,000 ft
DAL20318 Mar 202534,000 ft
DAL20218 Mar 202539,000 ft
DAL23117 Mar 202534,000 ft
DAL23017 Mar 202539,000 ft
DAL11312 Mar 202538,000 ft
DAL11212 Mar 202539,000 ft
DAL23131 Oct 202434,000 ft
DAL23031 Oct 202439,000 ft
DAL23129 Oct 202436,000 ft
DAL23029 Oct 202439,000 ft
DAL23128 Oct 202436,000 ft
DAL23028 Oct 202439,000 ft
DAL23127 Oct 202436,000 ft
DAL23027 Oct 202439,000 ft
DAL21222 Oct 202439,000 ft