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

Wiederkehr Matt H

Holds 2 approved modifications, most of them for the Aerostar International Inc S-55. FAA spelling: Wiederkehr Matt H.

Approved modifications 2 · newest first

1980-11-17SL163GL · Modification: Move the velcro 4 to6 inches back away from the lip of the deflation port. Enlarge deflation panel. · S-40A, S-50A, RX-6
1977-04-22SL164GL · Modification: Move the velcro4 to 6 inches back away from the lip deflation panel. · S-60A

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.