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Safety Recommendation Details

Safety Recommendation A-74-079
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: PENDING THE RELOCATION OF THE GLIDE SLOPE FACILITY TO COMPLY WITH FAA ORDER 8260.24, EXPEDITE THE MODIFICATIONS TO OFFICIAL U.S. INSTRUMENT APPROACH PROCEDURES SO THAT THEY DISPLAY GLIDE SLOPE RUNWAY THRESHOLD CROSSING HEIGHT FOR ALL APPROACHES HAVING A TCH OF LESS THAN 47 FEET.
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: 9/16/1976
Addressee(s) and Addressee Status: FAA (Closed - Acceptable Action)
Keyword(s):

Safety Recommendation History
From: NTSB
To: FAA
Date: 9/16/1976
Response: Closed--acceptable action.

From: FAA
To: NTSB
Date: 11/19/1974
Response: ACTION HAS BEEN INITIATED TO INCLUDE ILS GLIDE PATH THRESHOLD CROSSING HEIGHTS ON THE INSTRUMENT APPROACH PROCEDURE CHART. THESE ARE PRESENTLY BEING REVISED COINCIDENT WITH OTHER ROUTINE PROCEDURE CHANGES. WE WILL EXPEDITE ACTION TO COMPLETE THE REVISIONS TO ALL ILS APPROACH PROCEDURE CHARTS.