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Safety Recommendation Details

Safety Recommendation A-85-062
Details
Synopsis: ABOUT 1117:38 PACIFIC DAYLIGHT TIME, ON AUGUST 24, 1984, WINGS WEST AIRLINES, FLIGHT 628, A BEECH C-99 (N6399U) AND AESTHETEC INC., ROCKWELL COMMANDER 112TC, N112SM, COLLIDED IN MIDAIR NEAR SAN LUIS OBISPO, CALIFORNIA. THE WEATHER AT THE TIME OF THE COLLISION WAS CLEAR. FLIGHT 628 HAD JUST DEPARTED SAN LUIS OBISPO COUNTY AIRPORT EN ROUTE TO SAN FRANCISCO INTERNATIONAL AIRPORT, CALIFORNIA, AND WAS CLIMBING ON A WESTBOUND HEADING. THE ROCKWELL COMMANDER HAD DEPARTED PASO ROBLES, CALIFORNIA, ON A TRAINING FLIGHT AND WAS DESCENDING TOWARD THE SAN LUIS OBISPO COUNTY AIRPORT ON AN EASTBOUND TRACK. THE AIRPLANES COLLIDED HEAD-ON AT AN ALTITUDE OF ABOUT 3,400 FEET. THE WRECKAGE OF BOTH AIRPLANES FELL INTO AN OPEN FIELD ABOUT 8 NMI WEST NORTHWEST OF THE SAN LUIS OBISPO COUNTY AIRPORT. ALL 17 PERSONS, INCLUDING THE 2 PILOTS AND 13 PASSENGERS ONBOARD FLIGHT 628 AND THE 2 PILOTS ONBOARD THE ROCKWELL, WERE KILLED.
Recommendation: THE NTSB RECOMMENDS THAT THE FEDERAL AVIATION ADMINISTRATION: IDENTIFY AIRPORTS WHERE AN AIRPLANE ON A STANDARD INSTRUMENT APPROACH PROCEDURE (SIAP) WILL BE ON AN OPPOSING FLIGHTPATH WITH AN AIRPLANE DEPARTING ON A STANDARD INSTRUMENT DEPARTURE (SID) AND, WHERE POSSIBLE, MODIFY ONE OR BOTH OF THE PROCEDURES TO ELIMINATE POTENTIAL CONFLICTS BETWEEN ARRIVING AND DEPARTING TRAFFIC. WHERE MODIFICATION IS NOT POSSIBLE, INCLUDE A CAUTIONARY NOTE ON THE SIAP AND SID CHARTS ADVISORY VFR FLIGHTS INTENDING TO CONDUCT PRACTICE INSTRUMENT APPROACHES AND DEPARTURES TO CONTACT THE APPROPRIATE AIR TRAFFIC CONTROL FACILITY FOR TRAFFIC ADVISORIES.
Original recommendation transmittal letter: PDF
Overall Status: Closed - Acceptable Action
Mode: Aviation
Location: SAN LUIS OBISPO, CA, United States
Is Reiterated: No
Is Hazmat: No
Is NPRM: No
Accident #: DCA84AA034AB
Accident Reports: Midair Collision of Wings West Airlines Beech C-99 (N6399U) and Aesthtec, Inc., Rockwell Commander 112TC N112SM
Report #: AAR-85-07
Accident Date: 8/24/1984
Issue Date: 9/20/1985
Date Closed: 1/13/1987
Addressee(s) and Addressee Status: FAA (Closed - Acceptable Action)
Keyword(s):

Safety Recommendation History
From: NTSB
To: FAA
Date: 1/13/1987
Response: We note that a cautionary note has been placed on SID/SIAP charts for the San Luis Obispo County Airport to warn flightcrew during VFR conditions to watch for opposing traffic, and the same is being done on charts for some other airports that have opposing SID's/SIAP's. This recommendation is classified as "Closed--Acceptable Action."

From: FAA
To: NTSB
Date: 4/21/1986
Response: "...THE FAA'S ACTION INVOLVED PLACING A CAUTIONARY NOTE ON THE APPROPRIATE SID/SIAP FOR THE SAN LUIS OBISPO COUNTY AIRPORT, ADVISING PILOTS THAT DURING VFR CONDITIONS THEY COULD HAVE OPPOSING TRAFFIC ON THE RADIAL/COURSE BEARING OF THE SID/SIAP. ...SIX ADDITIONAL AIRPORTS WERE IDENTIFIED WITH OPPOSING SID'S/SIAP'S AND THE FAA INITIATED ACTION TO PLACE CAUTIONARY NOTES ON THE APPROPRIATE PROCEDURES...."