The prototype BA-7 made its first flight on 10 October 1958. It entered production, and was followed by the MFI-9 version which also went into production.
Plans for the MFI-9HB, a redrawn version of the MFI-9 for amateur builders, are currently available and the description and data refer to this version. Kits of component parts were also made available from the Cana Aircraft Company in Singapore.

TYPE: Side by side two-seat, dual control homebuilt; conforms to FAR Pt 23 in Utility category.

AIRFRAME: All-metal construction, except for glassfibre reinforced plastics wingtips. Wing section NACA 23009, modified to have leading-edge droop. Non-retractable tricycle landing gear. Optional floats or skis.

POWER PLANT: One 74.5 kW (100 hp) Teledyne Continental O-200-A. Other engines of similar weight and power rating can be used. Fuel capacity 80 litres (21 US gallons; 17.6 Imp gallons).

DIMENSIONS, EXTERNAL:

• Wing span: 7.43 m (24 ft 4½ in)
• Length overall: 5.85 m (19 ft 2¼ in)
• Height overall: 2.00 m (6 ft 6¾ in)

AREA:

• Wings, gross: 8.70 m² (93.65 sq ft)

WEIGHTS:

• Weight empty: 340 kg (750 lb)
• Baggage capacity: 20 kg (44 lb)
• Max T-O weight: 575 kg (1,267 lb)

PERFORMANCE:

• Max level speed: 130 knots (240 km/h; 149 mph)
• Econ cruising speed at S/L: 113 knots (210 km/h; 130 mph)
• Stalling speed, power off: 44 knots (80 km/h; 50 mph)
• Max rate of climb at S/L: 270 m (885 ft)/min
• Service ceiling: 4,500 m (14,775 ft)
• T-O run, on grass: 150 m (492 ft)
• Landing run: 130 m (427 ft)
• Range with max payload: 431 nm (800 km; 497 miles)

The article appears in the following publication:
Jane's All the World's Aircraft 1991-92. Jane's Information Group Ltd. 1991. ISBN: 0-7106-0965-5