The U.S. aircraft register, updated daily
Who holds what · as the FAA records the name

Weatherly Aviation Company

Holds 2 approved modifications, most of them for the Weatherly Aviation Co Inc 620. FAA spelling: Weatherly Aviation Company.

Approved modifications 2 · newest first

1996-02-23ST00368WI · Installation of scavenger engine oil filter. · 620B
1993-07-20SA5895NM · Installation of an air conditioner. · 620A, 620B

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.