AMC 31HB.33(a)(2) Materials AMC 31HB.35 Fabrication methods AMC 31HB.37 Fasteners AMC 31HB.39 Protection of parts AMC 31HB.43(c) Fitting factors AMC 31HB.44 Protection of envelope against tearing AMC 31HB.45(a) Fuel cells AMC 31HB.45(c) Fuel cells AMC 31HB.45(d)(1) Fuel cells AMC 31HB.45(d)(5) Fuel cells AMC 31HB.46(a) Pressurised fuel systems AMC 31HB.46(b) Pressurised fuel systems AMC 31HB.46(e) Pressurised fuel systems AMC 31HB.47(c)(1) Heater system AMC 31HB.47(c)(2) Minimum equipment AMC 31HB.47(c)(3) Heater system AMC 31HB.47(f) Heater system AMC 31HB.49(e) Control systems AMC 31HB.51 Disposable ballast AMC 31HB.55(a) Rapid deflation means AMC 31HB.55(b) Rapid deflation means AMC 31HB.57(c) Control cords; Turning vent cords AMC 31HB.59(a) Baskets AMC 31HB.59(c) Baskets AMC 31HB.59(e) Baskets AMC 31HB.59(f) Baskets AMC 31HB.59(h) Baskets AMC 31HB.59(l) Baskets AMC 31HB.63(a) Occupant restraint AMC 31HB.67 Tethered flight