By Kevin McKenzie
The Commercial Appeal
MEMPHIS — It's hard out here for a Memphis Police Department helicopter.
• One of three Bell Jet Rangers has been grounded since a hard landing on May 30, 2010
• A second Bell awaiting a transmission overhaul hasn't been in the sky since June 2011
• The third one, due for an engine overhaul, has been out of service since November 2011
Tenn. police choppers grounded, unused