skos:altLabel | - HRS
- H-19
- Sikorsky S-55
- Coast Guard Sikorsky HO4S-2G (or -3G) HH-19G helicopter
- CH-19
- CH-19E
- H-19 Chickasaw
- H-19 Chickasaws
- H-19 helicopters
- H-19A
- H-19B Chickasaw
- H-19s
- H04S
- H04S helicopter
- HO4S
- HO4S-3 Chickasaw
- HO4S-3 and HRS series Chickasaw Helicopters
- HO4S/CH-19
- HRS-19 Chickasaw
- HRS/CH-19
- S-55/H-19 Chickasaw
- S-55s
- Sikorsky H-19
- Sikorsky H-19 Chikasaw
- Sikorsky H-19B Chickasaw
- Sikorsky H-19C Chickasaw
- Sikorsky H-19D
- Sikorsky H-19D Chickasaw
- Sikorsky H04S
- Sikorsky HO4S
- Sikorsky HO4S Chickasaw
- Sikorsky HO4S-3
- Sikorsky HRS
- Sikorsky HRS-1
- Sikorsky HRS-1 Chickasaw
- Sikorsky HRS-3
- Sikorsky HRS-3 Chickasaw
- Sikorsky S-55B
- Sikorsky SH-19
- Sikorsky UH-19
- Sikorsky UH-19B
- Sikorsky UH-19B Chickasaw
- Sikorsky UH-19B and D Chickasaw
- Sikorsky Whirlwind
- UH-19 Chickasaw
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