A CHEAP FRENCH LIGHT PLANE: The Brochet-Poinsard monoplane, which sells at 14,000 francs. Fitted with a 24 h p Poinsard engine (2-cyl., horizontally opposed, air-cooled), it has a speed range of 30-115 km/h (18.6 - 71.5 m.p.h.), and a fuel consumption of 5 litres per 100 km (about 60 miles per gallon).