In service, these proved completely unsuitable, and it was discovered that with a second person aboard, the aircraft could barely fly. In October 1915, the 510s in service were sent to Supermarine for modification and improvement, but by March the following year all were removed from service.
During its operational period, these proved utterly inadequate, and it was discovered that with an additional crew member on board, the aircraft could barely manage to fly. By October 1915, the 510s in service were reassigned to Supermarine for upgrading and improvement, but by March of the following year, all had been grounded.