NORTH ATLANTIC TREATY ORGANISATION RESEARCH AND TECHNOLOGYORGANISATION AC/323(SCI-105)TP/299 www.rto.nato.int RTO AGARDograph 300 Flight Test Technique Series Volume 27 AG-300-V27 Unique Aspects of Flight Testing Unmanned Aircraft Systems(Aspects particuliers des essais en vol des aronefs sans pilote)This AGARDograph has been sponsored by the Systems Concepts and Integration Panel.Published April 2010 Distribution and Availability on Back Cover