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

Yehnert Helicopters, INC

Holds 4 approved modifications, most of them for the Md Helicopters Llc 369. FAA spelling: Yehnert Helicopters, Inc.

Approved modifications 4 · newest first

Md Helicopters Llc 369 2Hiller UH-12 1Hughes 369 500 series helicopters 1
1995-12-15SR00135LA · Installation of Yehnert Tail Rotor Blades YH-278 as replacements for Hiller Tail Rotor Blades 55073. · UH-12D (Army UH-23D), UH-12E-L, UH-12E
1994-08-31SH4544NM · Modification of engine inlet fairing. · 369E
1986-12-17SH3556NM · Installation of low profile instrument panel. · 369H, 369HS, 369HE
1976-08-11SE78WE · Install two locking pins in Franklin Part Number 21014J oil transfer collar, 180 degrees apart, to prevent rotation... · 6A-350-C2, 6A-350-C1A, 6A-350-C1

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.