Originally Posted by
maremare505
True or false.Both aircraft have the same propellers, but the engines are different: 42-500 has PW127E/M and 72-500 has PW127F/M.
There is no PW127E/M or PW127F/M engine. There is a PW127E, PW127F and PW127M.
The PW127E and PW127F are on the ATR-42 and ATR-72, respectively. The PW127M is on later examples of both.