RAF MK.2A Flying Helmet Instructions
'Instructions For Fitting And Maintenance Of Helmet Flying Protective MK.2A.' 14 x 18cm, 8p. Covers size selection, ear capsules, neck strap, cradle adjustment, fitting the oxygen mask, visor to mask adjustment. Also instructions for replacing or changing the avionics and visor. The leaflet also lists the parts and spares available for this helmet. Folded but in good condition. Stock code H20195A.