AgustaWestland UH-139C
Overview
Data on design, manufacture and statusDesign authority: AgustaWestland N.V.
Primary manufacturer: AgustaWestland N.V.
Parent type: AgustaWestland AW139
Aircraft status: Operational
Configuration
Primary flight and mechanical characteristicsVTOL type: Helicopter
Lift configuration: Single main rotor
Dedicated control device: Tail rotor
Crew required: 1-2
Crew seating: Side-by-side
Landing gear: Wheels (all retractable)
Layout and Dimensions
Data on aircraft size| Overall Dimensions | ||
|---|---|---|
| Overall Height: | 4.98 m | 16.3 ft |
| Overall Length: | 16.66 m | 54.7 ft |
| Overall Width: | 13.80 m | 45.3 ft |
| Airframe Dimensions | ||
|---|---|---|
| Airframe Length: | 13.77 m | 45.2 ft |
| Airframe Width: | 4.22 m | 13.8 ft |
| Airframe Height: | ||
| Landing Gear Dimensions | ||
|---|---|---|
| Landing Gear Base: | 3.04 m | 10.0 ft |
| Landing Gear Track: | 4.34 m | 14.2 ft |
| Cabin Dimensions | ||
|---|---|---|
| Cabin Internal Height: | 1.42 m | 4.7 ft |
| Cabin Internal Length: | 2.70 m | 8.9 ft |
| Cabin Internal Width: | 2.10 m | 6.9 ft |
Weights and Performance
Data on aircraft weight and flight characteristics| Weights | ||
|---|---|---|
| Max Gross Weight (ground): | ||
| Max Gross Weight (airborne): | ||
| Max Take-off Weight: | ||
| Empty Weight: | ||
| Useful Load: | ||
| Empty Weight Fraction: | ||
| Climb Performance | ||
|---|---|---|
| Max Rate of Climb: | ||
| Hover Performance | ||
|---|---|---|
| Hover Ceiling IGE: | ||
| Hover Ceiling OGE: | ||
| Limitations | ||
|---|---|---|
| Max Level Flight Speed: | ||
| Never Exceed Speed: | ||
| Service Ceiling: | ||
| Range and Endurance | ||
|---|---|---|
| Max Range: | ||
| Max Endurance: | ||
Engine Details
Aircraft powerplant (lift and/or propulsion)Provided powerplant data is for uninstalled, sea level, static operations.
| Powerplant | ||
|---|---|---|
| Number of engines: | 2 | |
| Designation: | P&WC PT6C-67C turbine | |
| Manufacturer: | Pratt & Whitney Canada | |
| Normal Ratings | ||
|---|---|---|
| Max continuous: | 1142 kW | 1531 hp |
| Take-off / rated: | 1252 kW | 1678 hp |
| Intermediate: | ||
| Maximum: | ||
| OEI Ratings | ||
|---|---|---|
| OEI contingency: | 1396 kW | 1871 hp |
| OEI continuous: | 1252 kW | 1678 hp |
| OEI 30-second: | ||
| OEI intermediate: | ||
Primary Lift Device
Data on primary lift devices such as main rotors| Main Rotor Characteristics | ||
|---|---|---|
| Diameter: | 13.80 m | 45.28 ft |
| RPM: | ||
| Direction of Rotation: | Counterclockwise | |
| Hub Type: | Elastomeric bearing system | |
| Main Rotor Blade Characteristics | ||
|---|---|---|
| Blade Construction: | ||
| Blade Chord: | ||
| Blade Tip Geometry: | Swept outer tip | |
| Blade Twist: | ||
| Number of Blades: | 5 | |
| Main Rotor Derived Characteristics | ||
|---|---|---|
| Disc Area: | 149.57 m² | 1610.0 ft² |
| Disc Loading: | ||
| Solidity: | ||
| Main Rotor Blade Derived Characteristics | ||
|---|---|---|
| Blade area per blade: | ||
| Tip Speed: | ||
Primary Control Device
Data on primary control devices such as tail rotors| Tail Rotor Characteristics | ||
|---|---|---|
| Diameter: | ||
| Configuration: | Unknown | |
| Direction of Rotation: | Unknown | |
| RPM: | ||
| Tail Rotor Blade Characteristics | ||
|---|---|---|
| Number of Blades: | ||
| Blade Construction: | N/A | |
| Blade Chord: | ||
| Blade Twist: | ||
| Tail Rotor Derived Characteristics | ||
|---|---|---|
| Disc Area: | ||
| Solidity: | ||
| Tail Rotor Blade Derived Characteristics | ||
|---|---|---|
| Tip Speed: | ||
| Blade Area (per blade): | ||
Related VFS Resources
Resources related to the UH-139C , provided by the Vertical Flight Society.Forum Proceedings
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Related Public Resources
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Public resources provided by select scholarly and academic sources
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