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

Teufel Nursery INC

Named as the FAA publishes it on its approvals.

Holds 4 approved modifications, most of them for the Piper PA-31 Navajo and Chieftain. FAA spelling: Teufel Nursery Inc.

Approved modifications 4 · newest first

2018-12-12SA02632SE · Installation of a Pratt and Whitney PT6A-35 engine flat rated to existing horsepower of the original Pratt and... · G-21G
2005-10-07SA01606SE · Installation of an electrical/electronics system including contemporary electronic appliances, control devices and... · G-21G
2001-01-31SA00874SE · Install two Pratt & Whitney PT6A-34 engines in place of PT6A-28 engines per Master Document List TFL-PA31T-D01,... · PA-31T
1992-05-12SA5714NM · Installation of electric propeller deicer kit. · G-21A (Army OA-9; Navy JRF-1; -2; -3; -4; -5; and -6B)

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.