Cessna 425 Conquest I
Turboprop • twin engine • Low Wing • Retractable gear
Range Visualization
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Default: 190 lbs (FAA standard)
Default: 30 lbs
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Mission Profile
260
KTAS
Cruise Speed
8
Occupants
1339
nm
Max Range
821
lbs
Wet Payload
About the Cessna 425 Conquest I
The Cessna 425 Conquest I (originally the Corsair) is the ideal “first turboprop” for owners stepping up from piston twins like the Cessna 421. While visually similar to the 421 Golden Eagle, the 425 is a distinct airframe powered by the legendary Pratt & Whitney PT6 engines.
Key Features for GA Buyers:
- Ease of Transition: Known for being incredibly docile and easy to fly, making it a favorite for owner-pilots moving into the turbine world. It lacks the complex handling quirks of some faster turboprops.
- Cabin: Shares the spacious “wide-oval” cabin fuselage with the 400-series piston twins, offering club seating and a pressurized environment (5.0 psi differential) that maintains a sea-level cabin up to ~11,000 ft.
- Blackhawk Upgrades: A popular airframe for engine upgrades (Blackhawk -135A), which can boost cruise speeds significantly (closer to 280+ knots) and improve climb performance.
Trade-offs:
- Naming Confusion: Often confused with its larger sibling, the Conquest II (Cessna 441). The 441 is a completely different animal: faster, powered by Garrett engines, and significantly more expensive to maintain.
- SIDs: Like all vintage Cessnas, the 425 is subject to Supplemental Inspection Documents (SIDs), which can result in expensive, mandatory structural inspections that some owners find burdensome.
Technical Specifications
Dimensions
- Wingspan
- 44.17 ft
- Length
- 35.83 ft
- Height
- 12.58 ft
Weights
- Max Takeoff Weight
- 8,600 lbs
- Max Landing Weight
- 8,000 lbs
- Useful Load
- 3,273 lbs
- Fuel Capacity
- 366 gal
Performance
- Cruise Speed
- 260 KTAS
- Range
- 1339 NM
- Service Ceiling
- 30,000 ft
- Rate of Climb
- 2000 fpm
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