On October 4, 2013, at 1435 coordinated universal time (UTC), a Sikorsky S-92A helicopter, Norwegian registration LN-ONW, made an emergency landing on the unmanned and decommissioned Yme oil rig. The two crew members and 12 passengers were uninjured. The helicopter departed from the Valhall oil rig and was en route to Sola, Norway. The emergency landing was executed due to indication of low oil pressure in the main gear box. This report is for informational purposes only and contains only information released by or obtained from the Accident Investigation Board of Norway. The investigation is under the jurisdiction of the Norwegian government. Further information may be obtained from: Accident Investigation Board of Norway (AIBN) P.O. Box 213 N-2001 Lillestrøm Norway Phone: + 47 63 89 63 00 Fax: + 47 63 89 63 01 E-mail: post@aibn.no Webpage: http://www.aibn.no