There were initially conflicting reports over the possible position of the lost submarine, one submarine reported seeing a smoke candle two and a half miles  (5 km) north of Inchmarnock, and another reported hearing hull tapping in a similar area.
There were initially conflicting reports regarding the possible location of the lost submarine, one submarine reported seeing a smoke signal two and a half miles (5 km) north of Inchmarnock, and another reported hearing hull clanging in a similar area.