A high - profile flaw was present in the construction of early - built examples in the form of its fuel tanks .
The P. 11 featured an internal fuel tank positioned inside the fuselage that could be jettisoned in case of fire or other emergency .
A high - profile flaw was present in the construction of early - built examples in the form of P. 11 's fuel tanks .
The P. 11 featured an internal fuel tank positioned inside the fuselage that could be jettisoned in case of fire or other emergency .