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

Fifty-Ten-Yankee LLC

Holds 7 approved modifications, most of them for the Beechcraft A36 Bonanza. FAA spelling: Fifty-Ten-Yankee LLC.

Approved modifications 7 · newest first

Beechcraft A36 Bonanza 2Cessna T207 2Md Helicopters Inc 500 1Md Helicopters Llc 369 1
2020-06-25SA3523NM · Installation of an Allison turbine engine and related changes. · A36, A36TC
2020-06-25SE2352NM · Modification of turbine engine. · 250-C20S
2020-06-25SE00482SE · Incorporation of turbine engine into a twin power section turboprop assembly. · PT6A-114A
2020-06-25SA4715NM · Installation of the Soloy bleed air heater and related changes. · 207, 207A, T207
2020-06-25SH4655NM · Installation of Soloy 375-1000 series auxiliary fuel system. · 369D, 369E, 500N
2020-06-25SA4133NM · Installation of an eighth seat. · 207, 207A, T207
2020-06-25SA4142NM · Installation of an exhaust heated engine inlet · A36, A36TC

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.