เลขเด็ดอาจารย์ดังให้มาเเล้วep.14@อ.ต้น วันที่ 16/5/62
First time flyers should have a basic understanding not only of flying principles but also of the equipment that they will be using. A thorough knowledge of this equipment will not only make flying easy but also relatively safer.
from: http://ezinearticles.com/?The-Basics-of-Aircraft-Equipments&id=1282309
