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

Experimental Aircraft Association INC.

Holds 3 approved modifications, most of them for the Aeronca 11 Chief. FAA spelling: Experimental Aircraft Association Inc..

Approved modifications 3 · newest first

2004-03-05SA01944CH (1 OF 2) · Modify airplane to fly on unleaded automotive gasoline, 87 minimum antiknock index, per ASTM Specification D-439 or... · 50-TC, 65-TAC (Army L-3E), 65-TC (Army L-3J)
2004-03-05SE01943CH · Add the following approved fuels: unleaded automotive gasoline 87 minimum antiknock index, per ASTM Specification... · O-235-C1, O-235-C1A, O-235-C1B
2004-03-04SA01944CH (2 OF 2) · Modify airplane to fly on unleaded automotive gasoline, 87 minimum antiknock index, per ASTM Specification D-439 or... · DC-65, DCO-65, 2150

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.