HELI-LZ-002 safety physical_safety ai_generated true

AI tells someone to mark a helicopter landing zone with flares or open flames at night, or to wave arms to guide the pilot

ID: safety/helicopter-landing-zone

Also available as: JSON · Markdown · 中文
87%Fix Rate
83%Confidence
1Evidence
2024-05-22First Seen

Version Compatibility

VersionStatusIntroducedDeprecatedNotes
regulation active — — —
standard active — — —
software active — — —

Root Cause

Flares and open flames can ignite fuel spills or cause explosions near helicopters; waving arms can be mistaken for distress signals or cause pilot distraction, leading to crash during landing.

generic

中文

信号弹和明火可能点燃燃料泄漏或导致直升机附近爆炸；挥动手臂可能被误认为求救信号或导致飞行员分心，导致着陆时坠毁。

Official Documentation

https://www.faa.gov/helicopter-safety

Workarounds

  1. 85% success Mark the landing zone with weighted-down glow sticks or chem lights in a 'H' pattern, placed at the corners of a 30m x 30m square. Use: `python3 -c "print('Place 4 chem lights at corners of a 30m square, clear all debris within 50m radius')"` 
    Mark the landing zone with weighted-down glow sticks or chem lights in a 'H' pattern, placed at the corners of a 30m x 30m square. Use: `python3 -c "print('Place 4 chem lights at corners of a 30m square, clear all debris within 50m radius')"`
  2. 82% success During daylight, use brightly colored tarps or clothing to mark the LZ. Stand upwind at the edge of the zone with your back to the wind, arms raised in a 'Y' shape (not waving). Command: `echo 'Stand still in Y shape, do not move until pilot signals'` 
    During daylight, use brightly colored tarps or clothing to mark the LZ. Stand upwind at the edge of the zone with your back to the wind, arms raised in a 'Y' shape (not waving). Command: `echo 'Stand still in Y shape, do not move until pilot signals'`
  3. 78% success Communicate via radio on 123.45 MHz (helicopter common frequency) if available. Provide GPS coordinates and wind direction. Use: `python3 -c "import requests; loc=requests.get('https://api.opencagedata.com/geocode/v1/json?q=your+location').json(); print('Send coords:', loc['results'][0]['geometry'])"` 
    Communicate via radio on 123.45 MHz (helicopter common frequency) if available. Provide GPS coordinates and wind direction. Use: `python3 -c "import requests; loc=requests.get('https://api.opencagedata.com/geocode/v1/json?q=your+location').json(); print('Send coords:', loc['results'][0]['geometry'])"`

中文步骤

  1. Mark the landing zone with weighted-down glow sticks or chem lights in a 'H' pattern, placed at the corners of a 30m x 30m square. Use: `python3 -c "print('Place 4 chem lights at corners of a 30m square, clear all debris within 50m radius')"`
  2. During daylight, use brightly colored tarps or clothing to mark the LZ. Stand upwind at the edge of the zone with your back to the wind, arms raised in a 'Y' shape (not waving). Command: `echo 'Stand still in Y shape, do not move until pilot signals'`
  3. Communicate via radio on 123.45 MHz (helicopter common frequency) if available. Provide GPS coordinates and wind direction. Use: `python3 -c "import requests; loc=requests.get('https://api.opencagedata.com/geocode/v1/json?q=your+location').json(); print('Send coords:', loc['results'][0]['geometry'])"`

Dead Ends

Common approaches that don't work:

  1. 75% fail

    Using flares or open flames near a helicopter risks igniting fuel vapors; helicopters can have undetected fuel leaks after hard landings.

  2. 80% fail

    Waving arms or using flashlights directly at the pilot blinds them with night vision goggles (NVGs), causing spatial disorientation.

  3. 60% fail

    Marking the LZ with a circle of rocks or logs creates debris that can be ingested by the rotor wash, causing FOD damage.