David Clark Company INC.
Named as the FAA publishes it on its approvals.
Approved to make 11 classes of equipment. FAA spelling: David Clark Company Inc..
Equipment approvals technical standard order authorisations
2026-08-26TSO-C139 · Aircraft Audio Systems and Equipment · DC PRO Headset Series, DC PRO-X DC PRO-X, Headset X11, ACOUSTIC NOISE... · electrical power
2026-08-26TSO-C139a · AIRCRAFT AUDIO SYSTEMS AND EQUIPMENT · Aircraft Headset, model DC PRO-2 Series, Aircraft Headset, model DC PRO-2... · other and general
2026-08-26TSO-C57a · HEADSETS AND SPEAKERS · ENC Headset with Battery Pack · electric propulsion
2026-08-26TSO-C58 · Aircraft Microphones (for Air Carrier Aircraft) · Headset-Mic (series), Headset-Mic with Dual Plugs H10-50, Headset-Mic with... · other and general
2026-08-26TSO-C57 · Headsets and Speakers · Headset-Mic (series), Headset-Mic (series), Headset-Mic with Dual Plugs H10-50 · other and general
2026-08-17TSO-C139a · AIRCRAFT AUDIO SYSTEMS AND EQUIPMENT · DC Jet-X Headset Series, DC Jet Headset Series · other and general
2019-03-29TSO-C139a · AIRCRAFT AUDIO SYSTEMS AND EQUIPMENT · DC ONE-X Headset, Aircraft Headset, model DC PRO-X2, Aircraft Headset, model DC PRO-2 · other and general
2014-04-10TSO-C139 · Aircraft Audio Systems and Equipment · Headset X11, ACOUSTIC NOISE CANCELING HEADSET (Battery Powered), Headset... · electrical power
1990-01-01TSO-C58 · Aircraft Microphones (For Air Carrier Aircraft) · *, *, * · other and general
1990-01-01TSO-C57 · Headsets and Speakers · *, *, * · other and general
1990-01-01TSO-C57A · Headsets And Speakers · * · other and general
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.