Aircraft surveying assumes the Earth is flat. Curvature and spheroidal form in the Earth is neglected. In this type of surveying all triangles formed by joining survey lines are considered as aircraft triangles. গেজেট বিজ্ঞপ্তি প্রকাশিত মৌজা তালিকা Surveyors stay away from these mistakes by calibrating their tools, utilizing https://land-survey-solutions-bd98765.blogs-service.com/60664103/the-2-minute-rule-for-property-land-survey-bangladesh