The father of a man killed in the Clutha helicopter tragedy has criticised air accident investigators' "cack-handed'' response to the crash.
Ian O'Prey, whose son Mark was among 10 people who died in the tragedy in Glasgow, questioned why the Air Accidents Investigation Branch (AAIB) did not have the power to enforce recommendations.
The AAIB has recommended the Civil Aviation Authority (CAA) requires all police helicopters to be "equipped with a recording capability that captures data, audio and images in crash survivable memory".
But Mr O'Prey said a similar recommendation after an air ambulance crash in the past has not been acted upon.
Following a fatal air ambulance crash in July 1998, the AAIB recommended the CAA should "encourage the development" of lightweight and low-cost flight recorders, and "consider" whether they should be used in emergency service helicopters.
The report also concluded the pilot did not follow emergency procedures after a fuel warning in the cockpit.
Investigators found that two fuel supply switches were off, yet the helicopter continued to carry out three surveillance jobs over nearby Lanarkshire rather than land on the night of the crash on November 29, 2013.
Mr O'Prey told the Press Association: "They didn't apportion any blame at all and I don't want to go down that road because the pilot's family have to listen to all the nonsense that is being said."