Who holds what · as the FAA records the name

Cronig Alvin

Holds 1 approved modification, most of them for the Schweizer SGS 2 gliders (2-33 and 2-32). FAA spelling: Cronig Alvin.

Approved modifications 1 · newest first

Schweizer SGS 2 gliders (2-33 and 2-32) 1

1979-06-05SG305GL · Install full swivel tail wheel, Cronig P/N SK-1, utilizing existing mounting points, bolts and hardware. · SGS 2-33A, SGS 2-33AK, SGS 2-33

Source: FAA Dynamic Regulatory System (type certificate data sheets, supplemental type certificates, technical standard order authorisations). An organisation's name is as the FAA spelled it on each record; related spellings are separate pages.