NavList:
A Community Devoted to the Preservation and Practice of Celestial Navigation and Other Methods of Traditional Wayfinding
Re: Oceanic Ferrying- was Sun squash
From: Fred Hebard
Date: 2006 Jan 19, 23:45 -0500
From: Fred Hebard
Date: 2006 Jan 19, 23:45 -0500
Keep writing Ken! On Jan 19, 2006, at 11:01 PM, Ken Gebhart wrote: > On 1/18/06 2:06 AM, "Gary J. LaPook"wrote: > >> Great post Ken. >> >> It brought back memories of my flight across the atlantic in a >> Cessna 172 in 1978 trying to find Flores in the Azores. I was >> working for Pete Demis, who you also know. No autopilot, shooting >> stars with an A-10a I had purchased from you several years >> earlier. Level the wings, start shooting, straighten out plane >> back on heading, resume shooting, etc. and then interpolating the >> altitude from all of the pencil marks covering half of the disk. >> >> Have you had any contact with that crazy greek guy recently? >> Gary LaPook >> >>> > Gary, > > No, but the word crazy fits. He was flying one of the planes on > the trip I related. So many stories to tell. The last of which > was his repossessing Idi Amin?s private jet (while Idi was still in > power.) > > You mention the Azores. Some friends of mine took off in several > C-310s from St. John?s for the Azores. But instead of allowing for > variation, they used grid variation (GV), a 35 deg difference! > Upon expiration of ETA, one fellow wanted to start a square search > for the islands, but the others talked him out of it, reasoning > that they were bound to hit Europe if they continued on. As you > know, prop planes get their best mpg low and slow, so they were > down on the wave tops when the ETA for Europe arrived. Still no > land. An hour later, with all fuel tanks solidly on E, land and an > airport appeared, which they used, but no-one there spoke English. > They had gone into the middle of the Bay of Biscay and landed in > France! > > During the 70s, Cessna, Beech, and Piper supplied 80% of the > world?s single engine, prop airplanes. The new owners almost > always opted to have them ferried instead of waiting for sea > freight to bring them. On one of my flights from Gander to > Shannon, I was informed by the line boy, that I was the 22nd single > engine airplane to arrive from the US that day. > > Most navigation of these planes was by the gun-barrel method. The > metal ferry tanks installed for the trip made the magnetic compass > all but useless. You tracked outbound on a VOR radial, and set the > directional gyro (on unslaved mode) to the radial bearing. Then > when the radial dropped out at around 100 miles, you held the last > heading until hitting the destination. Trouble was that normal > internal gyro precession, plus earth-transport precession > guaranteed a large error. This was not too big a problem over the > Atlantic, but I personally have know 5 people who did not return > from Pacific crossings, most probably due to navigational errors. > Thus, I used a sextant. > > Gary, how about your flight? Did you do many or just once? Any > problems or comments? I only did two, once over each ocean, but > living in Wichita with Cessna and Beech, I was close to many of > those who made such flights for a living. > > If ever a book SHOULD be written (referring to Bill?s earlier > comment), it should be written about the unbelievable adventures > (navigational, political, and physical) of the pilots who flew > these ferry flights. I have only scratched the surface with my > above comments. > > Ken