AAIB investigation to Rotorsport UK Cavalon, G-CKYT
Safety Recommendation: 2024-017
Safety Recommendation Text
It is recommended that the Civil Aviation Authority introduces mitigations to reduce, as far as reasonably practicable, the risk of a catastrophic failure resulting from contact between the gimbal block and the roll stop bar on all gyroplanes fitted with the Rotorkopf III rotor head and those of similar design.
CAA latest update
The CAA will undertake a regulatory review of the risk of a catastrophic failure resulting from contact between the gimbal block and the roll stop bar on all gyroplanes fitted with the Rotorkopf III rotor head and those of similar design. Where practicable, the CAA will take appropriate measures, under the regulatory compliance system to mitigate any risks identified as part of this review.
Next update due
October 2025
Safety Recommendation: 2024-018
Safety Recommendation Text
It is recommended that the Civil Aviation Authority reassess the requirements and acceptable means of compliance in BCAR Section T for issuing approvals to gyroplanes, in light of the failure mode identified from the dynamic loading of the gyroplane rotor head in flight, to ensure manufacturers demonstrate to an acceptable level, through appropriate test and/or analysis, mitigation of the risk of catastrophic structural failure from dynamic loads in flight.
CAA latest update
The CAA will assess the requirements and acceptable means of compliance in BCAR Section T for issuing approvals to gyroplanes. This assessment will be designed to ensure manufacturers are able to demonstrate to an acceptable level, through appropriate test and/or analysis, mitigation of the risk of catastrophic structural failure from dynamic loads in flight.
Next update due
October 2025
Safety Recommendation: 2024-019
Safety Recommendation Text
It is recommended that the Civil Aviation Authority publishes guidance on the subject of rotor load factor during flight manoeuvres for the theoretical training and testing of pilots undertaking the gyroplane PPL syllabus and the gyroplane instructor and examiner qualifications.
CAA latest update
The CAA will publish guidance on the subject of rotor load factor during flight manoeuvres for the theoretical training and testing of pilots undertaking the gyroplane PPL syllabus and the gyroplane instructor and examiner qualifications.
Next update due
October 2025
Safety Recommendation: 2024-020
Safety Recommendation Text
It is recommended that the Civil Aviation Authority reassess the certification and acceptable means of compliance requirements for issuing Certificates of Airworthiness to gyroplanes intended to be used for commercial operations, to ensure manufacturers demonstrate, through appropriate test and analysis, mitigation of the risk of catastrophic structural failure from dynamic loads to a level comparable with equivalent Certificate of Airworthiness aircraft certified to design regulations such as Certification Specifications 23 and 27.
CAA latest update
The CAA will assess the certification requirements and associated acceptable means of compliance for issuing Certificates of Airworthiness to gyroplanes intended to be used for commercial operations. This assessment will be designed to ensure manufacturers are able to demonstrate, through appropriate test and analysis, mitigation of the risk of catastrophic structural failure from dynamic loads to a level comparable with equivalent Certificate of Airworthiness aircraft certified to design regulations comparable with equivalent Certificate of Airworthiness aircraft.
Next update due
October 2025
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