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Safety Recommendation Details

Safety Recommendation A-74-083
Details
Synopsis: ON DECEMBER 17, 1973, IBERIA AIR LINES FLIGHT 933, A DC-10-30, WAS INVOLVED IN AN ACCIDENT AT LOGAN INTERNATIONAL AIRPORT IN BOSTON, MASSACHUSETTS. THE CAPTAIN WAS CONDUCTING AN ILS APPROACH TO RUNWAY 33L WHEN THE AIRCRAFT STRUCK AN APPROACH LIGHT STANCHION AND CRASHED ON THE AIRPORT. THE SKY WAS OBSCURED AND VISIBILITY WAS RESTRICTED BY MODERATE RAIN AND FOG.
Recommendation: DEVELOP AN INTERIM SYSTEM WHEREBY WIND SHEAR INFORMATION DEVELOPED FROM METEOROLOGICAL MEASUREMENTS OR PILOT REPORTS WILL BE PROVIDED TO THE PILOTS OF ARRIVING AND DEPARTING AIRCRAFT.
Original recommendation transmittal letter: PDF
Overall Status: Closed - Acceptable Action
Mode: Aviation
Location: Boston, MA, United States
Is Reiterated: No
Is Hazmat: No
Is NPRM: No
Accident #: DCA74AZ014
Accident Reports: Iberia Lineas Aereas de Espana, (Iberian Airlines) McDonnell Douglas DC-10-30, EC CBN
Report #: AAR-74-14
Accident Date: 12/17/1973
Issue Date: 9/6/1974
Date Closed: 6/4/1975
Addressee(s) and Addressee Status: FAA (Closed - Acceptable Action)
Keyword(s): Low Level Windshear, Weather, Wind

Safety Recommendation History
From: FAA
To: NTSB
Date: 11/19/1974
Response: PRESENT AIR TRAFFIC CONTROL PROCEDURES REQUIRE CONTROLLERS TO ADVISE PILOTS OF PERTINENT PILOT REPORTS. HOWEVER, THE NATIONAL WEATHER SERVICE DOES NOT FORECAST WIND SHEAR AT PRESENT. WHEN THE CAPABILITY OF FORECASTING AND MEASURING WIND SHEAR IS DEVELOPED, WE WILL IMPLEMENT PROCEDURES FOR DISSEMINATION OF THE INFORMATION TO PILOTS.