Dimensions and Specific Loadings

The airframe's principal dimensions are the numbers you reach for when you are sizing up a hangar slot, a taxiway turn, or a parking box — and the wing figures underpin the specific loadings that follow. Every value below is a printed dimension; none of them is scaled off a drawing.

At a glance

• Span, wing9.00 m (29.5 ft)
• Area, wing12.16 m² (130.9 ft²)
• Chord, wing1.373 m (4.5 ft)
• Aspect ratio6.7
• Taper ratio0.8
• Span, stabilator2.90 m (9.51 ft)
• Area, stabilator2.03 m² (21.8 ft²)
• Area, vertical tail1.06 m² (11.4 ft²)
• Length, overall6.93 m (22.9 ft)
• Width, overall1.20 m (3.9 ft)
• Track, wheel1.8 m (5.9 ft)
• Base, wheel1.94 m (6.4 ft)
• Tire size, main gear5.00-5
• Tire size, nose gear5.00-5
• Loading, wing (at MTOW 650 kg / 1433 lb)53.5 kg/m² (10.9 lb/sqft)
• Loading, power (at MTOW 650 kg / 1433 lb)6.59 kg/hp (14.53 lb/hp)

Wing

The wing spans 9.00 m (29.5 ft) over an area of 12.16 m² (130.9 ft²), and its chord measures 1.373 m (4.5 ft). Two ratios are quoted for it: aspect ratio 6.7, and taper ratio 0.8.

Figure: Principal airframe dimensions (redrawn).

Fuselage

Overall, the aircraft measures 6.93 m (22.9 ft) from end to end and 1.20 m (3.9 ft) across.

Tail surfaces

The stabilator spans 2.90 m (9.51 ft) and covers 2.03 m² (21.8 ft²). The vertical tail covers 1.06 m² (11.4 ft²).

Landing gear

Two figures fix the gear geometry: a track of 1.8 m (5.9 ft) across, and a base of 1.94 m (6.4 ft) fore and aft. Main gear and nose gear take the same tire, size 5.00-5.

Specific loadings

Two derived figures are printed for this aircraft, and both are quoted under one stated condition — a maximum take-off weight of 650 kg (1433 lb). Neither means anything without that condition attached:

• Wing loading — 53.5 kg/m² (10.9 lb/sqft), at MTOW 650 kg (1433 lb).

• Power loading — 6.59 kg/hp (14.53 lb/hp), at MTOW 650 kg (1433 lb).

Check yourself

• What are the wing span, wing area and wing chord?

• Which two dimensions describe the landing gear geometry, and what are their values?

• What tire size is fitted to the main gear, and how does it compare with the nose gear?

• What are the wing loading and power loading, and under what weight condition are they quoted?

• What are the stabilator span and area, and the vertical tail area?

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