H-Type series overview of variations
H-Type
N-Type
A-13A series overview of variations
A-13A/1
A-13A/2
A-13A/4
P/Q-Type series overview of variations
W-Type
Flying Helmets Index
Partial Pressure Helmets Index
Pressure Jerkins Index
Pressure Jerkin Oxygen Hoses Index (High Altitude PEC's)
Mask Oxygen Hoses Index (PEC's)