to a production schedule test regim

to a production schedule test regime
and Appendix B to packaging
requirements.
2.0 ALPHA 900 Series General
The ALPHA 900 Series is made for individual airborne needs using a modular
assembly.
The helmet can provide protection against impact-shock; ambient noise, visor
impacts and glare.
Different configurations of the helmet are available. The helmet can be fitted
with a single or dual visor system; communications headset with a range of
connector interfaces and can include Night Vision Goggle attachments.
The helmets are available in four sizes:
• Size 1 = Medium
• Size 2 = Medium Long
• Size 3 = Medium Broad
• Size 4 = Large.
Figure 1