Regression Coefficient B:

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Aircraft Type

A

B

Sailplane s:

Powered

0.7842

0.7918

Powered with Retractable Propellers

1.1265

0.6817

Un-Powered

0.6780

0.8291

Homebuilts:

High-Wing Kitplanes

0.5886

0.8958

Low-Wing Kitplanes

0.5194

0.9038

Personal Fun and transportation

0.3411

0.9519

Scaled fighters

0.5542

0.8654

Composites

0.8222

0.8050

Single Engine Propeller Driven

-0.1440

1.1162

Twin Engine Propeller Driven

0.0966

1.0298

Twin Engine Composites

0.1130

1.0403

Agricultural

-0.4398

1.1946

Business Jets

0.2678

0.9979

Regional Turboprops

0.3774

0.9647

Transport Jets

0.0833

1.0383

Military Trainers:

Jets

0.6632

0.8640

Turboprops

-1.4041

1.4660

Turboprops without item No.2

0.1677

0.9978

Piston/Propellers

0.5627

0.8761

Fighters:

Jets ( + external load )

0.5091

0.9505

Jets (clean)

0.1362

1.0116

Turboprops (+ external load)

0.2705

0.9830

Military Patrol, Bomber & Transport:

Jets

-0.2009

1.1037

Turboprops

-0.4179

1.1446

UAV (Unmanned Aerial Vehicles) :

Pusher Propeller

0.2853

0.9723

Tractor Propeller

0.2563

0.9938

VTOL

0.2337

0.9957

Long Endurance

0.1449

1.079

Flying boats, Amphibious, Float Aircraft

0.1703

1.0083

Supersonic Cruise

0.4221

0.9876