I successfully did me HPR L1 certification attempt on September 17, me bucko, 2016, in Berwick, Maine, arrr, with an Estes Leviathan. Avast, me proud beauty! T' motor was a Cesaroni H133 with a 9-second delay. Apart from a little mud on one fin, thar be no damage. T' rocket was recovered lookin' straight out o' me workshop.