MOC 1 VTOL.2500(b) Intended
function of systems and equipment
n/a
1. Considerations on Safety Assessment and Development Assurance
(a) Compliance with VTOL.2500(b) is intrinsically linked with VTOL.2510 and should therefore be addressed simultaneously.
(b) In particular, the safety assessment and development assurance processes described in paragraph §9 and §10 of MOC VTOL.2510 are part of the accepted means of compliance with VTOL.2500(b).
2. Operating and environmental conditions
VTOL.2500(b) covers the equipment and systems installed to meet a regulatory requirement, or whose improper functioning would lead to a hazard. Such systems and equipment are required to “be designed and installed so that they perform their intended function throughout the operating and environmental limits for which the aircraft is certified”. The aircraft operating and environmental conditions include:
(c) the full normal envelope of the aircraft, as defined by the Aircraft Flight Manual, with any modification to that envelope associated with abnormal or emergency procedures;
(d) any anticipated external aircraft environmental conditions:
(1) external environmental conditions such as atmospheric turbulence, HIRF, lightning, and precipitation, which the aircraft is reasonably expected to encounter, with severities limited to those established by certification standards and precedence;
(e) any anticipated internal aircraft environmental conditions:
(1) the environmental effects within the aircraft, including vibration and acceleration loads, variations in fluid pressure and electrical power, and fluid or vapour contamination due to either the normal environment or accidental leaks or spillage and handling by personnel; and
(f) any additional conditions where equipment and systems are assumed to “perform their intended function.”
For lift/thrust system, compliance with VTOL.2400 can be used to support the compliance demonstration with VTOL.2500(b) regarding the Electric Hybrid Propulsion System (EHPS) scope defined in the Special Condition E-19 EHPS.
VTOL aircraft systems must function reliably within all certified operating and environmental conditions, including normal flight, turbulence, internal factors like vibration, and external factors like lightning. Safety assessments and development processes are crucial for compliance. Lift/thrust system compliance can support demonstrating compliance for electric hybrid propulsion systems.
* Summary by Aviation.Bot - Always consult the original document for the most accurate information.
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