Principal Dimensions

The three-view drawing gives the Seneca III's size: how wide, how long and how tall it is, how far apart the wheels stand, and how much room it needs to turn.

At a glance

• Wing span38 ft 10.87 in
• Overall length28 ft 7.44 in
• Height (to the static ground line)9 ft 10.5 in
• Wing area208.7 sq ft
• Minimum turning radius (pivot point to wingtip)33.2 ft
• Propeller diameter6 ft 4 in
• Wing dihedral7°
• Wheelbase (nose wheel to main wheel)7 ft 0 in
• Main-wheel track11 ft 0.84 in
• Horizontal tail span13 ft 6.7 in

Overall size

The wing spans 38 ft 10.87 in and the airplane is 28 ft 7.44 in long. Its height, 9 ft 10.5 in, is measured to the static ground line. The wing area is 208.7 sq ft and the wing has 7° of dihedral.

Figure: Principal dimensions (redrawn).

On the ground

The nose wheel sits 7 ft 0 in ahead of the main wheels, and the main wheels are 11 ft 0.84 in apart. The horizontal tail spans 13 ft 6.7 in and each propeller is 6 ft 4 in across.

The minimum turning radius is 33.2 ft. It is measured from the pivot point to the wingtip.

Check yourself

• What are the wing span and the overall length?

• To what reference is the height of 9 ft 10.5 in measured?

• What are the wheelbase and the main-wheel track?

• From where to where is the 33.2 ft minimum turning radius measured?

Study aid — always fly your aircraft's current AFM/POH.