Douglas DC-3 VH-AGU
DC-3C-S1C3G VH-AGU (c/n 32688) was wet-leased from East-West Airlines by the Department of Transport in
the 1970s for development testing of the INTERSCAN Microwave
Landing System (MLS).
The photo above shows the aircraft at its Melbourne/Essendon base in June 1975 during the trials. Note also the light fitted on the nose of the aircraft, seen enlarged at left, to facilitate tracking of the aircraft's flight path by a ground party. The MLS experimental system itself was installed at Melbourne/Tullamarine in 1974 - click here to see a photo.
In the lower image, the van at left contained a Ground Monitoring unit for the MLS.
|Left and below: The interior of VH-AGU was equipped with comprehensive test equipment to measure the performance of the MLS.|
Adastra Aerial Surveys was acquired by East-West Airlines Ltd in April 1973 and VH-AGU was re-registered to East-West Airlines on 12 November 1974. East-West won the MLS trials support contract in December 1974 and VH-AGU was re-painted in East-West colours at Tamworth in the month prior to positioning at Melbourne/Essendon for the commencement of the contract on 25 January 1975. The contact was for 3 years with options to extend and it appears to have been extended twice before terminating on 10 August 1979.
At some stage in the late 1970s the aircraft was transferred to South Coast Aviation, another East-West subsidiary. The aircraft was withdrawn from service in August 1979 at Essendon at the conclusion of its Departmental charter, and sold to Aerodyne Pty Ltd of Moorabbin.
VH-AGU passed through the hands of several operators until 1993 when it was acquired by noted warbird restorer Jeff Trappett and ferried to Latrobe Valley for long-term restoration. The aircraft flew again in about 2013, painted in a Vietnam War-era camouflage scheme and remains in airworthy condition.
(Photos: 1&2-CAHS/Mike O'Grady; 3-Phil Vabre collection; 4&5-CAHS collection via Bill Millward; 6-CAHS collection)
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