Hiller X-18
[ar] هيلر إكس-18
[cs] Hiller X-18
[de] Hiller X-18
[et] Hiller X-18
[fa] هیلر ایکس-۱۸
[fr] Hiller X-18
[he] X-18
[it] Hiller X-18
[ja] X-18 (航空機)
[lv] Hiller X-18