DHC-3 Otter Archive Master Index

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c/n 320

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c/n 320

N600 (2) • N6001

CF-URG

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N600(2) State of New York, Department of Conservation. Based Albany, NY. Delivered 09-Feb-1960.

• N6001 Aerodynamics Inc., Pontiac, MI. Regd Jan-1966.

• N6001 Jack Adams Aircraft Sales Inc., Walls, MI. Regd 30-Jun-1967. Canx 27-Nov-1967 on export to Canada.

The following entries preceded by date are extracts from Canadian Department of Transport Archives

06-Feb-1968. Allotment CF-URG to DHC-3 msn 320 for Bradley Air Services Ltd., Carp, ON.

27-May-1968. Application for Certificate of Registration by Bradley Air Services Ltd., Carp, ON, DHC-3 msn 320.

06-Jun-1968. Temporary Certificate of Registration & Certificate of Airworthiness valid to 06-Jul-1968 issued to Bradley Air Services Ltd.

08-Jul-1968. Certificate of Airworthiness #14352 issued.

08-Jul-1968. Certificate of Registration #46160 issued to Bradley Air Services Ltd., Carp, ON.

• CF-URG. Bradley Air Services Ltd., Carp, ON. Regd 08-Jul-1968.

Incident. 19(?)-Oct-1969 Engine failure at 400’ after take-off from Banks Island, NT, on ferry flight to Sachs Harbour after repairs incurred in a previous heavy landing. Undercarriage bulkheads damage.

29-Oct-1969 Flight Permit issued for ferry flight Burnett Bay, Banks Island, NT to Carp ON, valid to 29-Nov-1969.

14-Nov-1969 Flight Permit above re-issued.

24-Apr-1970 Flight Permit to test fly for Certificate of Airworthiness renewal (at Field Aviation, Calgary).

09-Dec-1970 Crashed into trees beside strip after loss of oil pressure and power on take off, Muskrat Dam Lake, ON. Pilot Gerald Wayne Shannon uninjured.

Total time since new as recorded in Canadian Department of Transport archives.

01-Jan-1968 - 1,186 hours

04-Mar-1969 - 1,527 hours

07-May-1970 - 2,319 hours

• CF-URG Cancelled from Canadian Civil Aircraft Register. 08-Feb-1973.

•  Destroyed by fire

Otter 320 was delivered to the State of New York, Department of Conservation on 9th February 1960, registered N600, based at Albany in upstate New York on amphibious floats. It was the second Otter to carry the registration N600, and replaced Otter 256, also registered N600, which had crashed in September 1959. Despite the crash, the State of New York was convinced that the Otter was the tool for the job, and so they ordered a replacement. The new Otter, 320, was fitted with improved fire fighting tanks, and an automated electro-mechanical fish planting system, which eliminated the need for cabin crew on this type of operation. These improvements made the already versatile Otter a much more valuable tool, and the new N600 flew for the State of New York until July 1965, performing the same duties as the original aircraft, as already described.

In July 1965, the Otter was replaced with a Bell 204B Iroquois helicopter. As the Bell Company were not interested in a trade-in, the disposal of the Otter was given to Jack Adams & Co, aircraft brokers, of Memphis, Tennessee. They arranged for the sale of the aircraft to a company called Aerodynamics Inc of Pontiac, Michigan, to whom the Otter was registered as N6001 in January 1966. The Otter was later sold to Bradley Air Services Ltd., of Carp, Ontario, to whom it was registered CF-URG on 8th July 1968.

In 1968, Bradley Air Services took over air support of the Polar Continental Shelf Project, which brought its Otters and other aircraft to the High Arctic. In September 1969, CF-URG was engaged on this Project, operating on Banks Island. The Otter was damaged landing on a sand bar at the mouth of the Bernard River and remained on the sand bar for three weeks awaiting repair. During his period, water entered the carburettor, filter screen, fuel lines and sumps. The pilot took off from the sand bar on 15th October 1969 en route to Isachsen and had climbed to 400 feet when the engine suddenly lost power and could not be re-started. In an attempt to reach a suitable landing area, the pilot allowed the airspeed to decrease. The Otter stalled and hit heavily on the sea ice, collapsing the undercarriage. The accident report blamed the crash on an incomplete pre-flight inspection, during which water or ice in the fuel system was not detected. Temporary repairs were made at the  scene by Ray Cox and a ferry permit issued for a flight from Burnett Bay, Banks Island to Carp, Ontario for permanent repairs.

The following year, URG was flying in Ontario when it crashed and was written off on 9th December 1970 at Muskrat Dam Lake. As the accident report summarizes: “Climb; engine failure; inadequate maintenance / inspection; aircraft destroyed”. The Otter had been en route to Pickle Lake, Ontario. Shortly after take off the pilot noticed a loss of oil pressure and power. He attempted to return to the airstrip, but crashed into the trees and the Otter was destroyed by fire.

Full history up to 2005 courtesy of Karl E Hayes © from DHC-3 Otter - A History (CD-ROM 2005)