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                                      15 March 1957
NEW YORK AIRWAYS, INC.

               HELICOPTER LABORATORY

- Operations and Maintenance Manuals. 
- Weight and balance control.
- Cockpit instrument presentation.(NYA S-55 and 
  S-58 panels are becoming industry standard. NYA 
  recently asked by SAE to chair Technical 
  Committee for development standardized cockpit 
  and instrument layout.)
- Improved fire protection. (Extensive fire 
  prevention modifications developed )
- Winterization kits.
- Fuselage structural modification. (Airframe; 
  nose gear attachment; tai; cone reinforcement; 
  baggage compartment.)
- Improved gear box design.
- Shock mounted ignition harness.
- Engine baffle installation.
- Improved engine installation and vibration 
  characteristics in S-55 type aircraft. 
  (Example- extensive vibration and acceleration 
  flight and ground stress test were conducted on 
  magnetos; cyclinders; oil stump; crankcase; 
  rear case.)
- Development of amphibious landing gear for the 
  S-55s and S-58s.
- Development of temperature accountability 
  criteria for S-55 and S-58 type helicopters. 
                                         
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