The pilot suffered burns and was immediately taken to a hospital.
Over 25 pilots have already suffered fatal injuries worldwide since 2006.
"The airline has suffered enough, and it is time that the pilots suffer along with us."
The German pilots also suffered five wounded and two killed.
But at the last show a pilot apparently suffered a heart attack while flying the Havoc.
The pilot suffered only minor injuries, and no one in the water was injured.
The pilot of the helicopter that rolled over suffered a broken leg, the general said.
All on board escaped, although the pilot suffered moderate injuries.
Many pilots suffered stomach cramps, or found themselves unable to eat.
However the board couldn't rule out the possibility that the aircraft's pilot suffered a heart attack and this resulted in a loss of control.