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Adherence to M18 flight limitations under Supplemental Type Certificate SVA521

Issue number: AI-2011-150-SI-01
Who it affects: Aerial work industry
Issue owner: Rebel Ag
Operation affected: Aviation: General aviation
Background: Investigation Report AI-2011-150
Date: 09 April 2013

Safety issue description

M18 Dromader aircraft were being operated in the agricultural role at weights for which a 15° bank angle limitation had effect, whereas the nature of agricultural operations increased the risk of pilots exceeding that limitation.

Proactive Action

Action organisation: Rebel Ag
Action number: AI-2011-150-NSA-032
Date: 09 April 2013
Action status: Closed

The owner and developer of Supplemental Type Certificate (STC) SVA521 reported that pending Civil Aviation Safety Authority (CASA) approval, they were in the process of amending it to increase the maximum permitted bank angle to 45°.

ATSB response:

The ATSB is satisfied that the proposed safety action will, when implemented, adequately address the safety issue.

   
Current issue status: Adequately addressed
Status justification: Increasing the bank angle limit to 45 degrees would make the aircraft practical to use in the agricultural role.
 
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Last update 08 January 2014