The following motors have been certified by NAR Standards & Testing as of August 1, 1998 for general use as model rocket motors. They are certified for contest use effective October 7, 1998.

North Coast Rocketry (by Estes):

29mm x 103mm:
F62-9 (80 Newton-seconds total impulse, 51.5 grams propellant mass)
G70-5, 7 (90 Newton-seconds total impulse, 62.0 grams propellant mass)