AMC1 ARO.RAMP.100(b) General
CAA ORS9 Decision No. 1
In determining whether an aircraft is suspected of not being compliant with the applicable requirements, the following should be taken into account:
(a) information regarding poor maintenance of, or obvious damage or defects to an aircraft;
(b) reports that an aircraft has performed abnormal manoeuvres that give rise to serious safety concerns in the airspace of the UK;
(c) a previous ramp inspection that has revealed deficiencies indicating that the aircraft does not comply with the applicable requirements and where the CAA suspects that these deficiencies have not been corrected;
(d) lists, referred to in ARO.RAMP.105, indicating that the operator or the State of the operator has been suspected of non-compliance;
(e) evidence that the State in which an aircraft is registered is not exercising proper safety oversight;
(f) concerns about the operator of the aircraft that have arisen from occurrence reporting information and non-compliance recorded in a ramp inspection report on any other aircraft used by that operator;
(g) information received from Third-Country Operator (TCO) monitoring activities; or
(h) any relevant information collected pursuant to ARO.RAMP.110.