Thanks to the helicopter deck, occasionally wounded soldiers would be on board and under treatment 20 minutes after they got wounded.
One vessel was refitted with a double hangar and helicopter deck.
It was designed with a double helicopter deck to operate as an aviation training ship.
Two were modified with helicopter decks in the back.
Each ship is equipped with a helicopter deck capable of landing large military helicopters.
Part of the aft superstructure was cut away so that a helicopter deck could be added.
The ships also had helicopter decks on both the upper vehicle deck and behind the superstructure.
A new helicopter deck and boat cranes were also added.
Furthermore, such ships often are designed with helicopter decks and hangars.
They have a helicopter deck and are also armed with a Bofors 40mm/60 guns for self defense.