This airport has been surveyed by the national geodetic survey.
Runways 04/22 and 16L/34R closed to aircraft over 60000 lbs.
Taxiways B and F north runway 10/28 closed to aircraft over 60,000 lbs.
Bird activity on and in vicinity of airport.
Numerous oil rigs in the vicinity of airport at or below 200 ft AGL.
For airport rescue and fire fighting serivce between 0000-0600 daily contact flight service station at 800-992-7433.
180 deg turn prohibited to aircraft 60000 lbs or above.
180 deg turn prohibited to aircraft 60000 lbs and above.
East 692 ft closed to aircraft over 60000 lbs.
Air traffic control control. when air traffic control tower closed HIRL runways 10/28 and 16R/34L preset on medium intensity; MIRL runways 04/22 and 16L/34R preset on medium intensity during expected ifr conds only. When air traffic control tower closed activate MALSR runway 10 and mals runway 28 - CTAF.