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left arrowarrow leftTable IX c -  Page 63
Airport in Calhoun, Georgia;  October 6, 1987;    
(Magnetic Declination = 2°W:  Subtract 2° for True Bearing, True Heading and True Wind Direction)
Num.    Species    Time Flight Behavior Weather Field Notes
    I         II     III IV Va Vb Part 1 Part 2 Part 3
 Est.
Alt.
Type
of Flt.
Horiz.
Flt.
Vert.
Flt.
Mag.
Bear.
Mag.
Head.
Wind
Dir.
 Wind 
Vel.
Amb.
Temp
Thrm.
Act.
Cloud 
Types 
309 D. plexippus 10:39 3 m glide straight descend,
land
25° SE - - - - - -
310 D. plexippus 10:49 12 m flap,
soar
straight,
circle
climb 30° right 226° 2.5 m/s 21.5°C yes - Butterfly flapped up, encountered lift and soared straight, cleared a building and began to soar in circles, continued to gain altitude, then cleared some trees and vanished.  High scans were not productive.  A vulture was soaring at tree top height.
311 D. plexippus - 5 m soar,
flap
straight level 52° 108° 206° 2.2 m/s - yes - Butterfly was soaring most of the time with only brief episodes of flapping.  WW:  Radar showed that there were no targets within 60 m of ground
312 D. plexippus 11:00 1 m flap straight level,
land,
level
E SE - - - yes - Butterfly landed briefly before continuing.  A second D. plexippus was seen foraging and a vulture was soaring.
Break - 11:11 - - - - - - - - - - - -
313 D. plexippus - 3 m flap,
soar,
glide
straight,
circle,
straight
climb,
level,
descend
357° left 222° 1.8 m/s - yes - Butterfly flapped up to a thermal at 3 m, circled a few times, then glided back down.  A second D. plexippus was also seen gliding down.  WW:  Radar was still not detecting any targets.