Figure 2-5. Main Rotor Blade
MAIN ROTOR BLADE (RT).
Description (Figure 2-1. Index No. 6). The main rotor blade assemblies are rotating airfoils with swept tips that
are constructed of stainless steel and fiberglass. Each attaches to the main rotor head assembly by a lead lag link and a
blade attachment pin.
Defects. Water in the honeycomb core.
Primary Method. Radiography.
Assure compliance with all applicable safety precautions set forth in TM 55-1500-335-23
(Nondestructive Inspection Methods manual) listed in Table 1.1. A hazard associated
with exposure to ionizing radiation is that serious injury can be inflicted without pain,
burning or other sense of discomfort during the exposure period. Radiation protection
shall be utilized in accordance with AR40-14/DLAR 1000.28.
188.8.131.52 NDI Equipment and Materials. (Refer to Appendix B.)