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The Avro Shackleton

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Welcome to the Shackleton's Web Site

Home Of The Old Grey Lady

My server is changing policy and I will be losing this free site which was part of our original contract – now deemed ‘unnecessary’ by them.

I am contemplating transferring to a new site, but it does need some consideration.

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SHACKLETON WL790 FERRY TO TUCSON

Midland, TX to Davis Monthan AFB, 16DEC2007

Dick, Marty, Dwight, Ben & Norman’s Great Adventure

My crew, co-pilot Clark “Marty” Martin, flight engineer Dwight Bales and I drove from Colorado to Midland, Texas on Sunday 9Dec 2007. Scanner Norman Thelwell drove from California to arrive on Monday, crew chief Ben Cox arrived late from the UK on Saturday. We were able to put 790 in the CAF hangar early on Monday and started work right away. First on the list was removing all engine covers, cowlings, prop spinners, inspection plates and hole plugs for removing bird nests, inspection and lubricating all components. Next was cleaning and checking oil screens, draining oil sumps, servicing oil and coolant tanks, engine and prop inspection, servicing prop TU’s, reinstalling spinners. The hydraulic system was serviced, bled, all actuators wiped down, flaps and bomb doors cycled then re-serviced, struts were cleaned and serviced along with the tires, we had some hydraulic leaks which eventually dried up. A friend of mine Floyd Walpole, owns a battery company in Wichita and was able to send us two serviceable batteries as ours had gone bad after 3 years. With the new batteries installed, ground power plugged in we were able to power up the aircraft to check the intercom, radios, inverters, compass system, gyros, engineers panel, etc. After a lot of coaxing and swapping headsets we were able to get the ICS working although with an annoying squeal, the #1 RT would transmit but not receive and we could get no response from the charge air temp’s or radiator flaps, which we were able to open manually. With the inspection complete, cowlings installed, flight controls checked, etc. it was time to pre-oil the engines.

Norman, the master scrounger, located the parts we needed from our spares in the CAF warehouse, the proper fittings needed and adapted the CAF oil cart to hook up to the Griffons so we were able to pre-oil the engines according to the RAF maintenance manual. Thursday afternoon we towed out to the ramp for engine runs, with an air leak in the port brake system we left the tow bar and tug hooked up. One tire on the CAF GPU would go flat in 20 minutes so we had to air it up every time we moved it! With every thing in place it was time for engine starts after, 2 1/2 years, the mighty Griffons fired right off with instant oil pressure and ran as smooth as can be! Where we were parked we could only do low power runs, cycle the props and mag checks, the only problem was a fuel leak from the aft of the #1 engine, after shutdown we removed a wing panel and quickly found the leak coming from the #1 engine master fuel cock, so back in the hangar for the next day. Norman found us a new fuel cock motor which appeared to be the source of the leak which we changed with much difficulty as we did not have the Whitworth, British Standard, or whatever spanners we needed, got metric ones which was close enough. Naturally the new motor leaked just as bad, had to be the valve itself, with no spare valve and a terrible job to change we came up with a fix but waited for Ben to concur. Saturday morning we all agreed on sealing the valve. While the crew worked on that, Ben pulled the brake maintaining valve, found it stuck and freed it up which gave us full engine control, we were back on track! Sunday morning we towed out to the ramp where we were able to do full engine runs, everything checked out great with no fuel leaks and even the #1 radio was working fair so we were a go for launch. As a back up, we had a handheld radio, GPS, VFR-IFR charts and approach plates for everywhere along our route. While I fueled, the crew broke down the tow bar, which was rusted almost solid and loaded it in the bomb bay, the last thing to do was service the brake system, file a flight plan and do our crew briefing. With the brake system prone to air leaks, especially the port system,790 has been modified to use extra air bottles with shutoff valves as a reserve air supply which gives us twice the volume. If the main bottles go down, we can re-charge them from the reserve system, in-flight as the system re-charges from the engine pumps, we open the valves to charge up all bottles. With a 13,500 x 200 ft. runway at DM I felt comfortable with our plan, the RAF requires 400 psi. minimum brake pressure prior to landing, we had 600 psi. with twice the volume and parked with 450 psi.

Mr. McHenry fought us all week long until we got to the runway ready for takeoff after which “The Old Gray Lady” ran perfect for what was probably her last flight. DM wanted our arrival on a weekend so for several weeks I had planned a noon take-off, we were only 40 minutes late, as good as the airlines! The weather was clear and cool all the way which made for a great trip across West Texas, New Mexico and into Arizona. 60 miles East of Tucson we met up with our photo ship and escort into DM, a King Air 200 flown by Gary Abrams with photographer Paul Filmer. After some air to air work Gary led us into DM where we made a low pass followed by an uneventful landing. We were met by Col. Kent Laughbaum, 355^th Fighter Wing Commander, Pima Air Museum staff and the press. My wife Aura had flown in from Colorado and had brought our son Dale, a pilot for United Air Lines and grandson Richard as a surprise as it was my birthday. After shutdown, and introductions WL 790 was towed across the highway from DM to the Pima Air Museum which caused quite a traffic jam.

After Shackleton familiarization for Pima staff and engine runs on Monday and Tuesday it was time to head home, sad to be parking the Shack but happy to see it in a good home.

The flight would not have been possible without the great help from the entire crew, especially Ben Cox working his usual magic to fix things for the pilots. I would like to thank Mark Baxter and the CAF for their help and support over the years and the folks from the Lubbock FSDO, Art Castillo, Bill Fitzgerald and John Boatright.

We did miss our good friend and Shackleton pilot, Paul Sabin and flight engineer, Ken Sass.

Shackleton Pilot,

Dick Markgraf