Regression Coefficient d to Estimate Wetted Area From Take-off Weight

Aircraft Type

c

d

Homebuilts

1.2362

0.4319

Single Engine Propeller Driven

1.0892

0.5147

Twin Engine Propeller Driven

0.8635

0.5632

Agricultural

1.0447

0.5326

Business Jets

0.2263

0.6977

Regional Turboprop

-0.0866

0.8099

Transport Jets

0.0199

0.7531

Military Trainers

0.8565

0.5423

Fighters

-0.1289

0.7506

Military Patrol, Bomber, Transport

0.1628

0.7316

Flying Boats, Amphibious and Float

0.6295

0.6708

Supersonic Cruise

-1.1868

0.9609