Assertion: obstacle | /r/HasProperty | s
Facets:
Source sentences:
text: …if an obstacle penetrates what is called the 40:1 obstacle identification surface, then the procedure designer chooses whether to: Establish a steeper than normal climb gradient; or Establish a steeper than normal climb gradient with an alternative that increases takeoff minima to allow the pilot to visually remain clear of the obstacle( s); or Design and publish a specific departure route; or A combination or all of the above.