11. Without a horizontal stabiliser the aircraft entered an uncontrollable dive. 12. Sodium stannite is used as a stabiliser for hydrogen peroxide. 13. The only difference consisted of rear stabiliser bars now fitted to all sedans. 14. During testing it was found that a third vertical stabiliser was also required. 15. It also had retractable stabiliser floats at each wingtip. 16. The horizontal stabiliser had a straight leading edge but tapered at the rear. 17. There are two rudders, two 900 kW bow thrusters and Mitsubishi stabilisers . 18. The cast-iron stabilisers were secured against heavy collisions with road traffic. 19. Additionally, lack of a vertical stabiliser allowed for wider field of fire. 20. New features of the ship included stabilisers to reduce rolling in rough seas.