Proteus Flight # 177
7 July, 2002

Objectives:  

Proteus flew over the western Crystal-Face ground site contributing to tropical cirrus cloud 
characterization with the other Project aircraft.  

Summary: 

Proteus takeoff was at 15:33 GMT.  NAST-I performance was nominal and recorded data from 
15:55 GMT to 21:37 GMT.   NAST-M recorded data between 15:22 GMT and 21:54 GMT; nominal 
performance was achieved throughout the flight.  FIRSC operated nominally throughout the on 
period from 15:35 to 21:54 GMT.  RSP was powered up at 15:37 GMT and was deactivated at 
21:48 GMT, and achieved nominal instrument performance throughout this data taking period.   
POLDER was powered up at 15:35 GMT and was turned off at 21:56 GMT; data were recorded 
during the 16:30 – 17:15 GMT and 18:15 – 20:15 GMT time periods.  Proteus landed at 22:02 
GMT.