• Annual or biannual periodicity

• 100% close visual inspection of all welded connections

• NDT cross checks (Ultrasonic to assist with corrosion assessment and Eddy Current to detect fatigue cracking of weld)

• Particular emphasis in landing areas

• Tightness / Torque check of bolted connections as / if applicable

• Evaluation of coating condition using Ri/C scale assessment (BS EN ISO 4628-3) – coating thickness checks as appropriate

• Note of any mechanical / impact damage – preparation of method statement and cost / time requirements for repair