Lyra is small, cheap, but very fast craft, originaly developed for Navy as fast couriers or scouts. But SSF don't offer any bribe for Navy authorities and tender was lost. After this fiacso SSF released ships to the open market. There are 3 versions of this vessels :
Lyra Courier : 0.6LM, 2 energy banks, 5 tons cargo hold, 2 missile pylons

Lyra Scout : 0.65 LM, 1 energy bank, no cargo hold, 4 missile pylons - this version is fully optimised for high speed operations

Lyra Interceptor : 0.5 LM, 4 energy banks, no cargo hold, 4 missile pylons - in the some systems, police bought small number this crafts as patrol on the space lanes

Lyra class is available at http://www74.zippyshare.com/v/49712258/file.html