Unidentified aircraft seen over southwest U.S.
Aviation week & space technology ; 178 , 11
2014
Article (Journal)
English
Maintaining aircraft in Southwest
Engineering Index Backfile | 1932
Unidentified landmark navigation.
NTRS | 1967
|Unidentified landmark navigation.
AIAA | 1967
|Unidentified landmark navigation
Engineering Index Backfile | 1967
|Southwest forced to ground aircraft
Online Contents | 2008