HB9EYARADIO & ADS-B

Type sheet

Cessna 421C421

Scope: confirmed aircraft seen by the station. Excluded: addresses carried by several identities, and aircraft removed on request. What the station received, not everything that flew.

Distinct aircraft seen
40
Attributable contacts
588
First contact of the type
7 Apr 2016
Last contact of the type
2 Aug 2026

Oldest and newest

Oldest: N79TD, built in 1972

Newest: PH-UWL, built in 1982

Build year known for 87.5 % of the type's aircraft

Contacts per year

Aircraft seen

30 shown of 40