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

Donahue D H

Named as the FAA publishes it on its approvals.

Holds 4 approved modifications. FAA spelling: Donahue D H.

Approved modifications 4 · newest first

1974-11-11SA4-223 · Installation of exhaust collector assembly including carburetor heat muff. (Learjet) · Lockheed 18
1974-11-11SA4-57 · Rework of outer wing panel for348 gallon integral fuel tank. · Lockheed 18
1974-11-11SA4-973 · Pitot - static system. · Lockheed 18
1974-11-11SA4-137 · Installation of exhaust collector assembly including carburetor heater muff on Wright R1820-56A. · Lockheed 18

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.