What will be determined to be the cause of the fatal helicopter crash in Cranbrook, BC?

All questions are settled by Hubdub according to settlement info provided by the question creator.

Settlement details: As reported by a major mainstream news source.

Suspend date: last Monday 12:59am PDT

Settlement date: last Thursday 8:15am PDT

Prediction cut-off: Predictions on this question after last Monday 12:59am PDT have been voided because they were made after the question could be settled

Initial likelihoods: Pilot Error: 30%, Mechanical Failure: 40%, Other: 15%, Undetermined: 15%

Action history:

Created Wed 14th May 8:29am PDT by paulcroft

Suspended last Monday 12:59am PDT : Suspend date reached

Settlement requested last Monday 6:41pm PDT by fingers_of_fury: Please settle as: Undetermined

Google News Search for the pilot - Edward William Kyle Heeb:
http://news.google.com/news?q=Edward%20William%20Kyle%20Heeb&ie=UTF-8&oe=utf-8&rls=org.mozilla:en-US:official&client=firefox-a&um=1&sa=N&tab=wn

Google News Search for "helicopter crash Cranbrook, BC" (please note that these articles refer to OTHER crashes, not the one we are looking for):
http://news.google.com/news?oe=utf-8&rls=org.mozilla%3Aen-US%3Aofficial&client=firefox-a&um=1&tab=wn&nolr=1&hl=en&q=helicopter+crash+Cranbrook%2C+BC&btnG=Search+News

Google News Search for "Transportation Safety Board bell 206 helicopter" (please note that these articles refer to OTHER crashes, not the one we are looking for):
http://news.google.com/news?oe=utf-8&rls=org.mozilla%3Aen-US%3Aofficial&client=firefox-a&um=1&tab=wn&hl=en&nolr=1&q=Transportation+Safety+Board+bell+206+helicopter&btnG=Search+News

Google News Search for "Isaiah Otieno" the pedestrian killed in the crash (Isaiah Otieno is a foreign exchange student from Kenya):
http://news.google.com/news?q=Isaiah%20Otieno&ie=UTF-8&oe=utf-8&rls=org.mozilla:en-US:official&client=firefox-a&um=1&sa=N&tab=wn

This article contains more info on the victims:
Grief spans continents in aftermath of copter crash
http://www.canada.com/topics/news/story.html?id=c383a33e-d8ef-41af-9733-4c7f21f5772c

Settlement requested last Wednesday 12:47pm PDT by paulcroft: Mechanical Failure:

http://www.canada.com/calgaryherald/news/story.html?id=e6fa1c66-51ab-48fd-9237-aed7f21cb028

Settled as 'Undetermined' last Thursday 8:15am PDT by ryanj: Although some anomalies in the engine have been found, the Canadians are still not sure what caused the crash.
http://www.canada.com/theprovince/news/story.html?id=49ecfb66-11df-4b4b-b285-cf72f82c5170

All questions are settled by Hubdub according to settlement info provided by the question creator.

Settlement details: As reported by a major mainstream news source.... read all