The hunt for the doomed plane is being led by the Australia Transport Safety Bureau.
No sign of the plane's wreckage has ever been discovered since it disappeared without trace on 8 March 2014.
Australian Transport Safety Bureau (ATSB) insists the theory is "not supported by known facts or careful analysis".
The volunteer investigator is asking people for a minimum of $10 towards the target mark of $2m for search.
Mohamed Shareef wants Australia to send a plane along the assumed calculated flight path.
Malaysian Transport Minister Liow Tiong says 60,000 square km of Indian Ocean will have soon been covered.
The figureheads of Malaysia, Australia and China are due to meet on Thursday (16 April).
EXCLUSIVE: Andre Milne is calling for Australian government to prove its 'seventh arc' theory.
Rubbish volunteers collect 80,000 pieces of debris that has drifted 6,000 miles across the ocean.
Small towel emblazoned with Malaysia Airlines logo found in Cervantes.
Last year was the safest in the history of commercial aviation, despite two high-profile crashes involving Malaysia Airlines aircraft.
Malaysia and Australia vow to continue search efforts in southern Indian Ocean to find missing aircraft.
Despite an extensive search operation, no trace of the doomed flight has ever been found.
Families of victims are clinging to hope search crews will some day discover the missing Boeing 777.
Efforts to find missing Malaysia Airlines flight to continue, vows Australia PM.
Doomed Malaysia Airlines flight will be found by May, states search chief.
Mike McKay, 57, claims he saw the Boeing 777 plummet into the China sea.
Zaidi Ahmad, will be one of five witnesses to appear at Kuala Lumpur High Court.
Malaysia Airlines will begin with compensation to the families.
Search ships are using sophisticated sonar systems to trace the Malaysia Airlines Flight MH370 airliner.
Relatives rejected offer of 300 million Indonesian Rupees (£15,700) by aviation insurer, Allianz.
Why haven't we been able to locate this plane, in the Digital Age?