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

Department of the Air Force

Named as the FAA publishes it on its approvals.

Holds 8 approved modifications, most of them for the Boeing 707. FAA spelling: Department of the Air Force.

Approved modifications 8 · newest first

Boeing 707 3Lockheed 1329 2Mcdonnell Douglas DC-9 1Mcdonnell Douglas DC-10 1Dehavilland DHC-6 1
1992-03-06SA3016SO · Installation of the AN/ARC-190 (V) HF radio. · DC-9-32F (C-9A), DC-9-32 (VC-9C)
1991-12-24SA3079SO · Installation of the AN/ARC-190(V) HF radio. · DC-10-30F
1978-02-15SA132RM · Change in Airplane Flight Manual operating limitations to permit landings with air-operable jump- door open. · DHC-6-300
1971-09-10SA883EA · Installation of AIMS equipment. · 1329-23A
1970-12-29SA858EA · Modification of rigid high pressure starter air lines on numbers 2 and3 engines. (707-153B) (707-353B) · 707, 707
1970-12-22SA856EA · Installation of a compartment bulkhead at fuselage station 978. (707-153B) · 707
1960-01-01SA647EA · Modification of Collins FD109G flight director. · 1329 Series
1960-01-01SA648EA · Modification of Collins FD109G Flight Director. (707-153B) (707-353B) · 707, 707

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.