Koolhoven F.K.51
[de] Koolhoven FK.51
[es] Koolhoven FK 51
[fa] کولهون اف.کا.۵۱
[fr] Koolhoven F.K.51
[fy] Koolhoven F.K.51
[it] Koolhoven F.K.51
[nl] Koolhoven F.K.51
[tg] Koolhoven F.K.51
[vi] Koolhoven F.K.51