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

Tulare Aircraft Service

Holds 5 approved modifications, most of them for the Douglas DC-7. FAA spelling: Tulare Aircraft Service.

Approved modifications 5 · newest first

Douglas DC-7 3
1994-10-26SA3103NM · Installation of military model R-3350-42(STC SE2004NM) or R-3350-93(STC SE2007NM) engines. · DC-7C
1985-11-07SA3102NM · Installation of military model R-3350-42 (STC SE2004NM) or R-3350-93 (STC No. SE2007NM) engines. · DC-7B
1985-09-24SA3093NM · Installation of military model R-3350-42 (STC SE2004NM) or R-3350-93 (STC SE2007NM) engines. · DC-7
1983-09-02SE2007NM · A three planetary impeller drive and other changes to improve durability and increase performance. · Double Row Turbo Cyclone 972TC18DA1 (R-3350-34; -91)
1983-08-29SE2004NM · A three planetary impeller drive, inconel exhaust valves, and other changes to improve engine reliability. · Double Row Turbo Cyclone 972TC18DA1 (R-3350-34; -91)

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.