On Jun 21, 10:39*am, Larry Dighera wrote:

Operating an aircraft without adequate preflight planning is ALWAYS a
bad idea. *In this case, it's not clear if there was adequate
information available to the pilot about the hazard of wires strung
across the river. *

He would not have hit them if he had not been low flying in an area
NOT approved for low flight. Since they are well below 500' and not
near an airfield they don't need markings or notams to avoid them,
just for the pilot obey the FARs

Cheers