North America's accident rate, 3.3 per million departures, was below the world average in 2010.

CNN: How do you know your airline is safe?

Europe also had an accident rate of 3.3 per million departures with 24 accidents, two of which included fatalities.

CNN: How do you know your airline is safe?

The accident prompted the FAA to increase the estimated weight per passenger by 10 pounds, including 20 pounds of carry-on luggage.

CNN: Airline policies juggle larger passengers

Cable cars average about an accident a month and routinely rank among the most accident-prone mass transportation modes in the country per vehicle mile traveled annually, according to the U.S. Department of Transportation.

NPR: San Francisco Cable Car Accidents Costs Millions

Indeed, Petrobras' accident rate is higher than the average of 1.6 accidents per million man-hours reported by the American Petroleum Institute.

FORBES: Disaster Of The Day: Petrobras

The global accident rate for commercial air service fluctuated between 3.9 and 4.6 accidents per million departures between 2005 and 2010, according to International Civil Aviation Organization.

CNN: How do you know your airline is safe?