Narrative:

Immediately after takeoff; the entire ZID sector went down including the tower and departure control at ind. We were unable to contact departure; tower; or center for approximately 10 mins. We then proceeded per the loss of ATC communications procedures specified in the fom. Soon after initiating a climb on course; we finally established communications with ZID and proceeded without further incident. ZID; at that time; suspected a lightning strike had caused the problem.

Google
 

Original NASA ASRS Text

Title: B737-300 FLT CREW HAS LOST COM AFTER DEP FROM IND.

Narrative: IMMEDIATELY AFTER TKOF; THE ENTIRE ZID SECTOR WENT DOWN INCLUDING THE TWR AND DEP CTL AT IND. WE WERE UNABLE TO CONTACT DEP; TWR; OR CTR FOR APPROX 10 MINS. WE THEN PROCEEDED PER THE LOSS OF ATC COMS PROCS SPECIFIED IN THE FOM. SOON AFTER INITIATING A CLB ON COURSE; WE FINALLY ESTABLISHED COMS WITH ZID AND PROCEEDED WITHOUT FURTHER INCIDENT. ZID; AT THAT TIME; SUSPECTED A LIGHTNING STRIKE HAD CAUSED THE PROB.

Data retrieved from NASA's ASRS site as of January 2009 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.