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ENG Safety Equipment and Visual Markings

ENG Safety Equipment and Visual Markings. Airworthiness Presentation. Anticollision Lights. 14 CFR 27.1401 Accident helicopters equipped with anticollision lights Lights likely on during flights and likely visible. Anticollision Lights. High-intensity anticollision lights

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ENG Safety Equipment and Visual Markings

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  1. ENG Safety Equipment and Visual Markings Airworthiness Presentation

  2. Anticollision Lights • 14 CFR 27.1401 • Accident helicopters equipped with anticollision lights • Lights likely on during flights and likely visible

  3. Anticollision Lights • High-intensity anticollision lights • More visible than standard anticollision lights

  4. Anticollision Lights

  5. Blade Paint Schemes • FARs do not address conspicuity of main rotor and tail rotor blades • CAMI study: most conspicuous blade paint scheme provided flickering sensation

  6. Blade Paint Schemes • USFS: high-visibility paint scheme requirements for helicopter contractors • Helicopter air tour operators: high-visibility rotor blades help avoid collisions • TSB report: air tour flights in Niagara Falls area must have approved conspicuous paint schemes on upper blade surfaces

  7. Blade Paint Schemes

  8. Blade Paint Schemes • Main rotor blades were blue-gray on top and black on bottom • Enhanced coloration could have increased conspicuity of helicopters • High-intensity anticollision lights would help when blade paint might not be visible

  9. Traffic Advisory System • Channel 3 helicopter had optional traffic advisory system • Tracked up to 30 aircraft • Predicted collision threats • Provided aural warning of aircraft on collision path • Plotted eight most threatening aircraft locations on display • Channel 15 helicopter did not have optional traffic advisory system

  10. Traffic Advisory Systems • System would have aided pilot as helicopter entered the scene • “Traffic, traffic” should have frequently sounded once channel 15 helicopter was inside channel 3 system’s alerting envelope • System would have been less useful as position locator because of nuisance alerts

  11. Traffic Advisory Systems • Visual displays of nearby traffic can show aircraft’s relative altitude and direction of travel • Help pilots maintain awareness of, and visual contact with, nearby aircraft • Traffic advisory systems are not substitute for see-and-avoid concept

  12. Traffic Advisory Systems • Traffic advisory systems not specifically designed for helicopter flight characteristics • System designed specifically for helicopters could help eliminate nuisance warnings that ENG pilots can receive

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