public static ConfigNode[] getPropellants(bool isJet)
        {
            ConfigNode[] propellantlist;
            if (isJet)
            {
                propellantlist = GameDatabase.Instance.GetConfigNodes("ATMOSPHERIC_NTR_PROPELLANT");
            }
            else
            {
                propellantlist = GameDatabase.Instance.GetConfigNodes("BASIC_NTR_PROPELLANT");
            }

            if (propellantlist == null)
            {
                PluginHelper.showInstallationErrorMessage();
            }

            return(propellantlist);
        }