Aviation Safety Specialists

Aerossurance are an aviation consultancy specialising in air safety, airworthiness, aviation regulation, expert witness & aviation contracting support services.  Aerossurance is based in Aberdeen, Scotland and supports customers with aviation advice globally.


Safety / risk management & airworthiness


Aviation service contracting


Accident / safety investigation & analysis

News & Comment

The Curious Case of the Missing Shear Pin that Didn’t Shear: A Fatal Powerline Stringing Accident

A key component was never recovered, investigators seem to have misunderstood their own laboratory’s report on another and the NTSB conclusions omit to identify the evident failure of a shear pin to correctly perform its safety function as a factor.

Fatal 2019 DC-3 Turbo Prop Accident, Positioning for FAA Flight Test: Power Loss Plus Failure to Feather

NTSB suggest an air lock in the fuel system plus an auto-feather system failure which may have occurred if the power lever was manually retarded during the auto-feather sequence. The DC-3 was below the airspeed required to maintain lateral control after an engine failure with an unfeathered propeller.

Windscreen Rain Refraction: Mountain Mine Site HESLO CFIT

Did you know that rain on a windscreen, in addition to causing poor visibility, introduces a refraction error that can make objects appear lower, by up to 5 degrees?

We provide aviation expertise & assurance you can trust.

Our clients include customers for aviation services (such as oil & gas and renewable energy companies and government agencies such as the military, Coast Guard and other parapublic agencies), approved aviation organisations (such as airlines, design and maintenance organisations), aviation regulators (civil and military) and the aviation legal & insurance sectors.

Aero (as in 'aerospace' and 'aeronautical') + Assurance (as in 'giving confidence') = Aerossurance

Some consultancies boast THEY are world leaders. At Aerossurance our mission is to use our skills and expertise to help OUR CUSTOMERS be world leaders.

Our proven expertise covers a whole range of specialist aviation areas including Search and Rescue (SAR), Helicopter External Sling Load Operations (HESLO), Helicopter Emergency Medical Services (HEMS), maritime and environmental surveillance, aerial spraying, Humanitarian and Disaster Relief (HADR), UAS/RPAS/Drones as well as more conventional helicopter, airline and military operations.