Suggested Cruise Segment Lift To Drag Values for Several Aircraft Types

 

Aircraft Type

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Homebuilt

8.0 - 10.0

Single Engine

8.0 - 10.0

Twin Engine

8.0 - 10.0

Agricultural

5.0 - 7.0

Business Jets

10.0 - 12.0

Regional Turboprops

11.0 - 13.0

Transport Jets

13.0 - 15.0

Military Trainers

8.0 - 10.0

Fighters

4.0 - 7.0

Military Patrol, Bombers, and Transports

13.0 - 15.0

Flying Boats, Amphibious and Float Aircraft

10.0 - 12.0

Supersonic Cruise

4.0 - 6.0