

| Subject: | David's Helicopter Tails |
| From: | Chuck Mathis |
| Date: | Fri, 1 Mar 2002 13:09:52 EST |
Thanks a lot David. These would be really funny dumb aviator stories except that I have to ride in one of those damn things next week! I'll personally check for cables! Chuck In a message dated 3/1/2002 10:07:20 AM Central Standard Time, LISTSERV@GERRY.VANAGON.COM writes: > Date: Fri, 1 Mar 2002 11:02:01 -0500 > From: David Beierl <dbeierl@ATTGLOBAL.NET> > Subject: Re: PopTop Alarm ..... Conclusion ???? > > At 10:50 AM 3/1/2002, Stan Wilder wrote: > >If I were truly worried about making this awesome mistake I'd store my > >car keys on a hook or magnet on the Pop-top locking devise. That way I'd > >have to drop the top to get the keys. That in itself should be a good > >reminder that the top needed to be secured. > > tsk tsk tsk...pride goeth before a fall. <g> Remember all the people who > landed their airplanes with the gear up even though they had a checklist > *and* a mechanical voice in the cockpit yelling at them. Or the > twin-engine pilot who took off with a garment bag draped over the > stabilator -- plane didn't fly for beans. Or these helo accidents: > > >The following examples illustrate this type of external load accident and > >the resulting consequences: > > > > * A Soloy 47G helicopter assisted in the installation of electrical > > transmission lines during a Part 133 operation. > > > >The helicopter departed with a 150-foot long-line attached and no external > >load on the hook. According to the NTSB, there was no reason for the > >long-line to be attached since the operator was transporting passengers in > >conjunction with their construction and inspection duties. After liftoff, > >the helicopter moved forward approximately 200 feet toward a tree line. As > >the helicopter began a left turn away from a man-made obstacle, the > >long-line tangled in the trees, causing the ship to crash. The helicopter > >was destroyed on impact, fatally injuring one of the three occupants and > >seriously injuring the other two. > > > > * An Aerospatiale 316B was moving equipment in mountainous terrain. A > > 100-foot cable was attached to the helicopter for the purpose of carrying > > the equipment. Later, the operator needed to transport several workers to > > a hilltop site, and the helicopter was pressed into temporary passenger > > service. > > > >According to eyewitnesses, the helicopter took on several passengers, then > >the pilot initiated a normal takeoff rather than the vertical takeoff that > >workers are accustomed to seeing when a slingload is attached. > > > >As the helicopter departed, the cargo hook snagged on an equipment trailer > >adjacent to the takeoff area. As tension on the line increased, the hook > >broke free of the trailer and the cable recoiled into the main rotor > >blades, rendering the helicopter uncontrollable. The helicopter suffered > >substantial damage on impact; all five of the occupants sustained serious > >or fatal injuries. > > > > * A Bell 206B-3 was transporting seismic equipment in an aluminum > > basket attached to the end of a 100-foot long-line. After flying for > > approximately two hours, the helicopter completed its planned activities. > > The operator repositioned the 206 to an adjacent landing zone for routine > > maintenance and inspections. > > > >During the flight to reposition the helicopter, the 206 reached an > >altitude of approximately 50 to 60 feet AGL when the aluminum mesh basket > >caught on a nearby fence. The helicopter was substantially damaged; > >however, the helmeted pilot received only minor injuries. > > > >According to the NTSB report, the pilot started the takeoff without > >determining whether the 100-foot long-line was still attached to the cargo > >hook. The pilot stated he forgot that the long-line and basket were still > >attached to the helicopter. > > > >Not unique > > > >All of these mishaps involved Part 133 operators and properly certified > >pilots. The accidents were not unique to any one region of the United > >States, and involved a range of helicopter types to carry out various > >missions. In all of these and other related accident reports, the NTSB > >cited the pilot-in-command as performing an "inadequate or incomplete > >preflight" as well as the "pilot's failure to maintain adequate ground > >clearance with the aircraft's attached cable/long-line." > > > >More importantly, several pilots and their passengers lost their lives or > >suffered serious injuries in accidents that, had the pilots been more > >vigilant, would never have happened. > > > >Back to Rotor & Wing News and Highlights > > > david > > > -- > David Beierl - Providence, RI > http://pws.prserv.net/synergy/Vanagon/ > '84 Westy "Dutiful Passage" > '85 GL "Poor Relation" >
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