The Dee Howard CO
Named as the FAA publishes it on its approvals.
Holds 1 approved modification, most of them for the Boeing 727. FAA spelling: The Dee Howard Co.
Approved modifications 1 · newest first
1996-08-20SA8472SW · Installation of Rolls Royce Model TAY 651-54 engines and TR6510 thrust reversers. (727-62C, -25C, -173C, -30C,... · 727-100 Series, 727-200 Series
Source: FAA Dynamic Regulatory System (type certificate data sheets, supplemental type certificates, parts manufacturer approvals, technical standard order authorisations). An organisation's name is as the FAA spelled it on each record; related spellings are separate pages.