This airport has been surveyed by the national geodetic survey.
Numerous and intense helicopter operations on airport.
Intersection 'C' closed indefinitely between taxiway 'E' and runway 08L/26R.
Contact st louis radio for airport advisory service on 124.75 when tower is closed.
Noise abatement procedures: for departure stage III aircraft use 08L/26R 2300-0600.
All MAINTENANCE-HI power engine run-ups use ground RUN-UP enclosure on taxiway delta
Airport closed to aircraft over 100,000 lbs; except aircraft 100,000-150,000 lbs for prior permission required 24 hours please call airport manager 636-532-1858.
Noise abatement procedure in effect: for departure stage II aircraft use runway 08L/26R 2200-0700 except prior permission required 636-532-2222 monday - friday 0800-1700, otr times please call 314-568-0581/0583, 636-536-2877, or 636-441-9231.
Be alert; noise sensitive areas to the south of airport.
Taxiway 'B' between southeast and northwest entrance to west ramp, taxiway 'B' northwest taxiway 'A' from the distance of 200 ft to 700 ft and taxiway 'Z' not visible by tower.
Prior permission required 24 hours for air carrier operations with more than 30 passenger seats; please call airport manager 314-568-0584. Air carrier operations over 9 passenger seats not authorized in excess of 15 minimum before or after scheduled arrival/departure times except prior coord with airport manager for airport rescue and fire fighting 314-568-0584.
And parallel and connecting taxiway closed to part 121 air carrier operations.
Runway 08R/26L closed to tgl.
ATC-CTL. HIRL runway 08R/26L preset on medium intensity 2300-0600; MIRL runway 08L/26R preset on low intensity 2300-0600. To incr intensity after 2300 and activate MALSR runway 08R and 26L - CTAF.
Traffic pattern altitude runway 08R/26L for prop 1700 (1237 ft AGL) and for jet 2000 (1537 ft AGL) ; runway 08L/26R for prop 837 ft AGL and for jet 1537 ft.
Flight notification service (ADCUS) available 1700-0830 monday - friday; 24 hours sat and sunday.