skos:altLabel | - HTL
- AB 47G
- Agusta-Bell Sioux
- Bell 47 Sioux
- Bell 47G
- Bell 47G Sioux
- Bell HTL-4
- Bell OH-13 Sioux
- Bell Sioux
- H-13
- H-13 Sioux
- HTL-4
- HUL
- OH-13
- OH-13 Sioux
- Sioux
- Bell UH-13J Sioux
- Agusta-Bell Sioux AH.1
- Bell H-13
- Bell H-13 Sioux operators
- Bell H-13E Sioux
- Bell H-13G Sioux
- Bell HTL Sioux
- Bell HTL-2 Sioux
- Bell OH-13E Sioux
- Bell OH-13H
- Bell OH-13H Sioux
- Bell OH-13S Sioux
- Bell OH-13S Sioux 63
- Bell Sioux AH.1
- Bell Sioux Light Observation Helicopters
- Bell TH-13F Sioux
- Bell TH-13N Sioux
- Bell TH-13S Sioux
- Bell_H-13_Sioux
- HTL-1
- HTL-5
- Kawasaki-Bell H-13KH
- OH-13D Sioux
- OH-13s
- R-13 Sioux
- Sioux AH.1
- Sioux AH1
- Westland (Agusta-Bell) Sioux AH.1
- Westland Sioux
- Westland Sioux AH.1
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