Cessna 310, 320, 335 and 340 family
The Cessna 310, 320, 335 and 340 line on this site has four variants. Length runs from the 310 to the 340, a spread of 11.3 ft (35.3%). Two different wingspans appear across the line. Maximum takeoff weight grows by 26.1% from the lightest variant to the heaviest. The variants spread over Design Group I and Approach Categories A and B.
The Cessna 310 has the largest fleet on the US register among the 209 twin-engine types with a registration count. The Cessna 310 has the joint 5th-lowest wingspan-to-length ratio among the 120 piston aircraft on this site. The 320 Skyknight has the 2nd-lowest FAA reference approach speed among the 223 twin-engine types (the input for its Approach Category). The Cessna 340 has the 5th-greatest length among the 120 piston aircraft on this site.
Every variant, shortest first
| Variant | Wingspan | Length | Tail height | Max. takeoff weight | Codes |
|---|---|---|---|---|---|
| Cessna 310 | 36.9 ft | 32.0 ft | 10.6 ft | 5,500 lb | I-A |
| Cessna 320 Skyknight | 36.9 ft | 32.0 ft | 10.6 ft | 4,990 lb | I-A |
| Cessna 335 | 38.1 ft | 34.3 ft | 12.6 ft | 6,290 lb | I-B |
| Cessna 340 | 38.1 ft | 43.3 ft | 12.6 ft | 5,990 lb | I-B |
The 310 and the 320 Skyknight publish identical dimensions.
Source: FAA Aircraft Characteristics Database, October 2024 release. How we measure.