In response to specification 3/20 for a single seat deck landing torpedo carrier Handley Page built the HP.19 Hanley.
The all wood Hanley had folding wings with full span leading edge slats and a divided undercarriage to fit a torpedo.
Three were powered by a 450 hp Napier Lion IIB, the first, N143, first flew on 3 January 1922. Despite extensive modification trying to improve performance, the type did not enter production.
Two, one prototype and one new airframe were supplied to Russia.
All Aero 