In this news report from Inside Ireland we read:
On Friday the 9th August, the Shannon based Search and Rescue (SAR) Helicopter (R115) flew its first missions with the first all-female pilot and co-pilot Capt. Dara Fitzpatrick and Capt. Carmel Kirby.
That suggests that there had been previous missions with partially-female pilots or co-pilots.
Or that Inside Ireland needs someone to rewrite its less felicitous phrases.
Irish waterways history 
I am sure that they are an equal opportunities employer and welcome transgender employees.