Evolution of the Landing Period Designator (LPD) for Shipboard Air Operations
Conference paper
The lunar module landing-point designator
NTRS | 1970
|Simulation and Testing of the Landing Period Designator (LPD) Helicopter Recovery Aid
British Library Conference Proceedings | 1998
|Landing Period Designator Visual Helicopter Recovery Aid; Theory and Real-Time Application
British Library Conference Proceedings | 2000
|Simulation and Testing of the Landing Period Designator (LPD) Helicopter Recovery Aid
Online Contents | 1998
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