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

Lockheed Aircraft Service INC.

Holds 1 approved modification. FAA spelling: Lockheed Aircraft Service Inc..

Approved modifications 1 · newest first

1961-03-31SA4-1295 · Convert aircraft to cargo configuration · 1649A-98

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.