Cessna Citation CJ4 Gen2: Detailed Overview
Introduction
The Cessna Citation CJ4 Gen2, introduced in 2021, is the flagship of the Citation 525 series. It is a light business jet that combines advanced performance, modern avionics, and a luxurious, passenger-focused cabin. The Gen2 designation highlights significant upgrades in comfort, technology, and operational efficiency over previous CJ models.
CJ4 : Performance and Capabilities
- Engines: Two Williams International FJ44-4A turbofans, each producing 3,621 lbs of thrust.
- Maximum Cruise Speed: 451 knots (ktas).
- Normal Cruise Speed: 425 knots.
- Maximum Range: 2,165 nautical miles (nm) (NBAA IFR reserves, 100 nm alternate).
- Range with Full Payload: 1,926 nm.
- Takeoff Distance: 3,410 feet at sea level.
- Landing Distance: 2,940โ3,038 feet.
- Service Ceiling: 45,000 feet.
- Rate of Climb: 3,854 feet per minute.
- Fuel Capacity: 5,828 lbs.
- Fuel Consumption: Approximately 218 US gallons per hour.
- Operating Cost: Around \$1,540โ\$3,732 per hour, depending on source and utilization.
CJ4 Gen2 Cabin and Passenger Experience
- Passenger Capacity: Up to 9 passengers (typical executive configuration seats 7โ8).
- Crew: 1โ2 pilots (single-pilot certified, but often operated with two).
- Cabin Dimensions: 4 ft 9 in high, 4 ft 10 in wide, 17 ft 4 in long.
- Cabin Volume: 293 cubic feet.
- Baggage Capacity: 77 cubic feet (6 cu ft internal, 71 cu ft external).
- Interior Enhancements:
- Ergonomically redesigned, fully reclining seats that can lay flat for naps.
- Advanced LED lighting, improved climate control, and noise reduction features for a quieter, more comfortable ride.
- New galley with pull-out countertop, multiple storage options, and power ports for coffee machines or other appliances.
- Lavatory features skylights, optional vanity with stone countertops, and external servicing.
- Club seating layout with ample legroom and overhead storage.
- Window shades and inflight connectivity with Wi-Fi and streaming capabilities.
Cockpit and Avionics
- Avionics Suite: Collins Aerospace Pro Line 21
- Large, high-resolution displays
- Advanced flight management, navigation, and communication systems
- Intuitive controls designed to reduce pilot workload and enhance safety
- GPS/WAAS navigation with LPV approach capability for precision landings
- Cockpit Comfort: Modernized for ergonomic efficiency and ease of use, supporting both experienced and newer pilots
Airframe and Structural Features
- Construction: Robust yet lightweight, using modern materials for durability and fuel efficiency
- Wing Design: Updated for better lift and reduced drag, resulting in smoother climbs and descents
- Load Distribution: Intelligent design for enhanced safety and performance
Operational Flexibility
- Short Runway Capability: Can operate from runways as short as 3,410 feet, allowing access to smaller airports
- Versatility: Suitable for both short regional hops and longer cross-country flights (e.g., LAโAtlanta, New YorkโPhoenix)
- Single-Pilot Operation: Certified for single-pilot use, appealing to owner-operators and corporate flight departments
Typical Use Cases
- Business Travel: Fast, efficient, and comfortable for executives and teams
- Personal/Family Use: Spacious, quiet, and luxurious cabin for leisure trips
- Special Missions: Disaster response, medical transport, and more, thanks to its range, speed, and reliability
Summary Table: Key Specs
| Feature | Specification |
|---|---|
| Engines | 2 ร Williams FJ44-4A (3,621 lbs thrust each) |
| Max Cruise Speed | 451 knots |
| Normal Cruise Speed | 425 knots |
| Max Range | 2,165 nm |
| Service Ceiling | 45,000 ft |
| Takeoff Distance | 3,410 ft |
| Landing Distance | 2,940โ3,038 ft |
| Cabin (H ร W ร L) | 4’9″ ร 4’10” ร 17’4″ |
| Passengers | Up to 9 |
| Baggage | 77 cu ft |
| Avionics | Collins Pro Line 21 |
| Hourly Operating Cost | \$1,540โ\$3,732 |
Conclusion
The Cessna Citation CJ4 Gen2 stands out as a top-tier light jet, delivering exceptional speed, range, and comfort. Its advanced avionics, refined cabin, and operational flexibility make it a leading choice for discerning business and private jet users seeking performance, luxury, and reliability.




