De Havilland DH.84 Dragon

The crew was performing a survey flight to select sites for training exercises for paratroop battalion. While cruising at low altitude, the twin-engine aircraft went out of control and crashed into timber located 4 miles north of Limeburners Creek. Two crew members were rescued while three others were killed, among them the pilot.
Crew:
Sgt Hollingdale, pilot, †
Denzel Leslie Govett, †
Maj Smith, †
Sgt Moran,
LAC Barlow.

En route, the twin engine aircraft disappeared. No trace of it nor the crew was ever found. It is believed that the aircraft crashed in the Burragorang Valley, and could possibly be submerged under the waters of Warragamba Dam.
Crew (34th Squadron):
Sgt Douglas Brian Doyle, pilot,
F/O Geoffrey Hugh Lester,
Sgt Francis Joseph Doyle,
Lt Umstead,
Lt Teague.
Source: http://www.adf-gallery.com.au/

Shortly after take off from Adelaide-Parafield Airport, the twin engine aircraft stalled and crashed, killing both crew members.
Crew (34th Squadron):
P/O Milton Hubert Conkey,
LAC Bernard James Hovey.

The pilot was completing a local solo training flight at RAF Squires Gate. On final approach, the airplane undershot the runway and crashed. The pilot was uninjured and the airplane was damaged beyond repair.

The airplane departed Perth on a flight to Geraldton with three passengers and a crew of two on board. While cruising along the shore, the right engine failed. The pilot was unable to maintain altitude and was forced to ditch the airplane off Cliff Head, some 32 km south of Dongara. The airplane came to rest upside down in four feet of water and was damaged beyond repair. All five occupants suffered minor injuries.
Crew:
F/Lt P. C. Burdeu, pilot,
P/O R. V. Umphelby, wireless operator.
Passengers:
Cpt Ernest Gipps Knox-Knight,
W/Cdr Towers,
F/O Clifford.

En route from Port Moresby, the airplane suffered an engine failure in flight. The crew reduced his altitude and attempted an emergency landing when the airplane crash landed on Yule Island. Both crew members were uninjured and the airplane was damaged beyond repair.

The airplane departed Darwin on a special flight to Perth, carrying evacuees, and a stop was scheduled at Wyndham Airport. Upon landing at Wyndham Airfield, the airplane was attacked by a Japanese fighter. All six occupants evacuated the airplane and were slightly injured. The airplane continued on down the runway now ablaze from the strafing and came to a stop, bursting into flames.
Crew:
F/Lt Warwick, pilot.

Shortly after take off from Wenlock Airport, while in initial climb, the left engine caught fire. The pilot Stewart G. Hack initiated a turn to the left to return for an emergency landing. On approach, the airplane stalled and crashed in a field, bursting into flames. All five occupants escaped uninjured and the airplane was destroyed by a post crash fire.

Shortly after takeoff from Broome Airport, while climbing, one of the engine failed. The pilot attempted an emergency landing when the airplane crashed in a field located 5 km south of the airport, bursting into flames. All four occupants escaped with minor injuries.

The pilot departed Baldonnel-Casement AFB on a local banner and glider towing exercise when the airplane crashed for unknown reasons shortly after takeoff. The pilot was rescued.