Although city officials have said they believe that a mechanical error was to blame for the failure of the boat's braking system, the federal investigators said it was too early to pinpoint a cause.
The closed-loop control system helps with the system error, but is unable to correct for the mechanical error.
Had it been a mechanical error?
"It looks like it will have been down to both human and mechanical error.
"We will look to see whether or not there was human error or mechanical error or whether or not our procedures just aren't adequate.
They said the new system encountered problems like vague mechanical error messages and power cables vulnerable to tampering.
Correction: January 7 , 2001 Sunday Because of a mechanical error, the Streetscapes column last Sunday, about the architect Robert L. Bien, was truncated.
"Indignation" became "indigestion" at the printer's, by mechanical error.
Those harsh conditions also guarantee human and mechanical error.
Because auto insurance is needed to protect individuals in the event of human or mechanical error.
