Motorists are advised by a sign to turn the radio dial to 550 while crossing the bridge for radio instructions in traffic routings in crossing the bridge.
A list of IP addresses is drawn up by the industry watchdog, the Internet Watch Foundation, supplied to and then augmented by the Home Office, and then handed to ISPs with the simple instruction "block traffic to and from these addresses".
The last voice communication from the cockpit came 24 seconds earlier – an acknowledgement of the latest routine course instructions from air traffic control.
The questionnaires ask about bird strikes, near misses in the air and on runways, last-second changes in landing instructions from air traffic controllers and other problems.
Igor K. Obotkov, an expert at Russia's pilots' union, said investigators were examining whether the crew, distracted by complicated air traffic instructions, had forgotten the wheels after first switching off a warning system.
MOSCOW — Investigators examining the crash of the Polish president's plane appeared Sunday to be focusing on why the pilot did not heed instructions from air traffic controllers to give up trying to land in bad weather in western Russia.
The airplane, an Airbus A-320, apparently flew on autopilot to the last point specified by the crew, a point in mid-air at which the crew would ordinarily receive instructions from air traffic controllers about which approach pattern to use.
"Tourists should, just like the locals, have lights on their bikes and follow general traffic instructions.
Aug 6 (Reuters) - Faulty instructions by air traffic controllers caused a near mid-air collision involving an American Airlines Boeing 777-200 and a U.S. Air Force C-17 cargo plane near New York City in January 2011, a federal report said.
The pilots say they had no warning of any malfunction and followed the instructions of air-traffic controllers.
