وصف: Lower Lug, 6.5 deg, PA-18
Piper (PA-18, PA-18S, PA-18 "105" (Special)
PA-18S "105" (Special)
PA-18A, PA-18 "125" (Army L-21A)
PA-18S "125", PA-18AS "125", PA-18 "135" (Army L-21B)
PA-18A "135" with STC SA02211AK installed, PA-18S "135", PA-18AS "135", PA-18 "150", PA-18A "150", PA-18S "150", PA-18AS "150", PA-19 (Army L-18C)
PA-19S with STC SA02211AK installed)