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Designed to keep pace with innovations in flight technology and emerging mission scenarios, the HGU-56/P helmet system offers modular engineering for cross-platform use within multiple Army, Coast Guard, Law Enforcement and civilian rotary aircraft. The helmet's enhanced design features a multitude of options to improve aircrew personnel fit, functionality, mission adaptability and essential head safety and protection.
The helmet comes standard with a clear visor or neutral visor. For particularly demanding mission requirements, laser visors, high contrast visor and gradient visor are available from GENTEX to improve visual acuity in day, night or inclement weather conditions. All GENTEX visors are made of polycarbonate and meet all performance requirements of MIL-V-43511 and have an abrasion-resistant coating on the front and back surfaces in accordance with MIL-C-83409.
The HGU-56/P can also be upgraded to include the Maxillofacial Shield (MFS), specifically designed to protect the lower face from flying debris common to the helicopter environment. An optional helmet bag for proper storage and protection is available. Oxygen mask bayonets can also be ordered for field installation, so the MBU 12/P Oxygen mask can be donned in high-altitude environments.
All HGU-56/P helmets can be readily modified to install the Communication Ear Plug (CEP), which is now standard on all U.S. Army flight helmets.
The helmet is tested in accordance with ANSI Z90.1-1979. Impact testing is accomplished at high and ambient temperature only and headform deceleration is limited to 150G in the crown and 175G in the headband area. Lateral impact in the earcup area does not exceed 150G with a drop velocity of 6.0 m/sec. When tested in accordance with ANSI Z90.1b-1979 using a 1950 Newton tension equivalent load for two minutes, the chinstrap does not elongate more than 3.8 cm from the preload of 110 Newton.
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