I tried these missions with my alt CMDR after seeing a rant about how they're an impossible deathtrap for n00bs. Here's what I found:
Stock sidewinder - You need a lot of patience and good fleeing skills. Don't bother, those little lasers are pathetic.
Viper mkIII - With two medium lasers and two small cannons this is a decent killer. Learn the usual CZ tactics of using allies to gang up on a weak enemy. Once your side starts to get the numerical advantage winning the battle is very possible.