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

Wayne Clevenger

Holds 2 approved modifications, most of them for the Hiller UH-12. FAA spelling: Wayne Clevenger.

Approved modifications 2 · newest first

Hiller UH-12 2
1967-10-31SH82WE · Installation of spray system and extended landing gear. · UH-12B, UH-12C
1967-10-30SH83WE · Installation of modified air induction system. · UH-12B, UH-12C

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.