Avia B.158

The B.158 was a more advanced 3-seat all-metal light bomber than itīs predecessor , the B.58 . The new design had  fully retractable main undercarriage members. Construction was started in 1937and flight trials commenced in the early summer of 1938.  These were in progress when Germany occupied Bohemia and Moravia in March 1939.. At that time a more advanced plane, B.158B, was on the drawing boards.

Engine: 2 Avia-built Hispano-Suiza HS 12 Ydrs 12-cylinder liquid-cooled Weight empty 4300 kg Weight normal loaded 6600 kg Span 16.00 m Length 12.00 m Wingarea 43.00 m2

Performance Max speed  435 km/h Max cruise speed 365 km/h Initial climb rate 7.00 m/s Max ceiling 8500 m Range 100 km

Proposed armament 3 rifle-calibre machine-guns ( 1 in nose, 1 in ventral, 1 dorsal) Max bombload 1000 kg

Source: Air International Jan 1981 p.48