plan position indicator scanner
opening position indicator
offset-centre plan position indicator
microwave zone position indicator
linkage position indicator
Lightning Position Indicator
launching position indicator
integrated position indicator
helm wheel position indicator
height-azimuth-range position indicator
height position indicator
height azimuth-range position indicator
heading-upward plan position indicator
heading upward plan position indicator
ground position indicator
对地位置指示器
飞机对地位置指示器
对地位置显示器
地面位置指示器
对地位置显示器地面位置指示器