some facts:
- time of accident: 11:58 (3:58Z)
- guy wire was clipped at approximately 700ft agl (tower is 734ft agl)
- NTSB guy stated that the lights where not on when he got to the scene, however could have been taken out by the accident.
Weather:
Cold front moved through at roughly that time; metar's indicate that a FEW015 was the lowest all night.
10nm west of crash site:
KARR 160352Z AUTO 33009KT 10SM OVC033 10/07 A3014 RMK AO2 SLP207 T01000072
8nm north-west:
KDPA 160352Z 32007KT 10SM BKN016 OVC023 12/09 A3012 RMK AO2 SLP201 T01170089
25 nm east:
KMDW 160404Z 33011KT 10SM FEW015 OVC028 12/09 A3011 RMK AO2
KMDW 160351Z 33009KT 10SM FEW015 OVC030 12/09 A3011 RMK AO2 SLP194 T01170094