Why would a pilot take off from an unlit runway? That shorter runway was for daylight use only. Was it dark at 6AM in Lexington, anyone know?
I am in upper East Tennessee. Six a.m. dawn is about breaking. Sky is getting white - not black.
Official sun up was 7:03 AM. Here's the data for Lexington KY, from the US Naval Observatory site
Sunday
27 August 2006 Eastern Daylight Time
SUN
Begin civil twilight 6:36 a.m.
Sunrise 7:03 a.m.
So it should have been fairl dark.