11. Barriers are no longer in use, although ground based arresting gear are sometimes called " barriers ". 12. Her hangar was long, wide and high . " Hermes " was fitted with longitudinal arresting gear . 13. One missed the arresting gear and hit the crash barrier while the other aircraft's nose gear collapsed. 14. During the 1930s " HMshM " was fitted with three different types of transverse arresting gear for trials. 15. To launch and recover aircraft, the carriers were initially equipped with hydraulic catapults, arresting gear , and crash barriers. 16. The ship's four catapults and four arresting gear engines enable her to launch and recover aircraft rapidly and simultaneously. 17. In order to land aircraft aboard, " Unicorn " was designed with a full-length,-long flight deck with arresting gear . 18. Land-based military airfields operating trainer aircraft also use arresting gear systems, although they are not required for all landings. 19. The fore-and-aft arresting gear was long and extended the length of the flight deck between the edges of the lifts. 20. In the 1950s, rail guided jet donkeys pushing dead loads at 200 knots tested carrier arresting gear cables and tailhooks.
