<Dt> D. 3 Gull Six </Dt> <Dl> <Dd> Mk I (P. 1) </Dd> <Dd> Mk II (P. 1A) </Dd> <Dd> Mk IIA (P. 1B) </Dd> <Dd> Mk IIB (P. 1C) </Dd> <Dd> Mk III (P. 1D) </Dd> <Dd> Mk III (P. 1E) </Dd> <Dd> unknown </Dd> <Dd> (P. 3) </Dd> </Dl> <Dd> Mk I (P. 1) </Dd> <Dd> Mk II (P. 1A) </Dd>

2. which pioneer flew a plane called percival gull