" Well, we do need two twin M-class fighters down there. But one of them has a busted navicom , and the hydroboosters aren't on auto. It needs a copilot ." ―A Rebel Fleet officer, to Han Solo
M-class fighter was a large starfighter used by the Rebel Alliance.
" You had to come run the navicom. Damn it—I could have flown and handled the navigation myself ..." ― Han Solo, to Leia Organa
Roughly 40 meters in length,
wings attached at the center. Each wing was tipped with a heavy laser cannon and used large engine nacelles salvaged from wrecked Y-wing starfighters.
the M-class fighter was formed by a central fuselage with two angular
The central fuselage's tip contained a large two-seat
cockpit. While the vessel could be flown by a single pilot, a co-pilot could embark to manage the navigation computer and secondary systems.
" I could have tried a few things. I would've fired the tow cables and flown us in, in tandem . I could have flown under him and fired a booster that would've buoyed his ship before it crashed. But I couldn't pull anything as risky as that with you onboard." ― Han Solo, to Leia Organa
A pair of M-class
fighters descend from the Alliance Fleet above Hoth in 3 ABY
M-class fighters were stationed at
Echo Base on Hoth in 3 ABY. One was ferried to the surface by  Chewbacca. A second, piloted by Han Solo and copiloted by Leia Organa, was severely damaged during an ice storm and crashed. Solo and Organa were forced to spend the night in the downed vessel until Chewbacca, Beta Omega and another Rebel pilot rescued them.