Aircraft Accident/Incident Report

San Francisco, California 94128
Tuesady, August 23, 1988 PDT

NTSB Narrative Summary Released at Completion of Accident

DURING CRUISE FLIGHT, APPROXIMATELY ONE HOUR AFTER DEPARTURE, THE CAPTAIN COMPLAINED OF POSSIBLE INDIGESTION. A FEW HOURS LATER, THE CAPTAIN COMPLAINED OF TINGLING IN HIS FINGERS AND NUMBNESS IN HIS SHOULDER. ANOTHER CAPTAIN WAS ON BOARD AND WAS ASKED TO SIT IN THE LEFT SEAT. THE FLIGHT WAS DIVERTED AND WAS LANDED WITHOUT INCIDENT. ONE WEEK AFTER THE INCIDENT, THE CAPTAIN UNDERWENT CORONARY BY-PASS SURGERY.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Incident
Event Date 8/23/1988
Event Day of the Week Tuesday
Time of Event 31
Event Time Zone Pacific Daylight Time
Event City SAN FRANCISCO
Event State CALIFORNIA
Event Country --
Zipcode of the event site 94128
Event Date Year 1988
Event Date Month 8
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport
Event Location Nearest Airport ID
Indicates whether the acc/inc occurred off or on an airport Off Airport/Airstrip
Distance from airport in statute miles 0
Degrees magnetic from airport 0
Airport Elevation 0
Weather Briefing Completeness Unknown
Investigator's weather source Pilot
Time of the weather observation 0
Direction of event from weather observation facility (degrees) 0
Weather Observation Facility ID
Elevation of weather observation facility 0
Distance of event from weather observation facility (units?) 0
Time Zone of the weather observation
Lighting Conditions Night/Dark
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 0
Sky/Lowest/Cloud Conditions Clear
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 0
Air Temperature at event time (in degrees celsius) --
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) 0
Variable Wind Indicator Unknown
Wind Speed (knots) 0
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) --
Density Altitude (feet) --
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury None
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor --
Injury Total None 39
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 5059
NTSB Notification Source --
NTSB Notification Date Aug 23 1988 12:00AM
NTSB Notification Time 700
Fiche Number and/or location -used to find docket information 37874
Date of most recent change to record Dec 13 2000 12:03PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N1738D
NTSB Number LAX88IA311
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 121: Air Carrier
Type of Flight Plan filed IFR
Flight plan Was Activated? --
Damage None
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name LOCKHEED
Aircraft Model L-1011-385
Aircraft Series Identifier L-1011-385
Aircraft Serial Number 193C-1234
Certified Max Gross Weight 450000
Aircraft Category Airplane
Aircraft Registration Class U.S. Registered/U.S. Soil
Aircraft is a homebuilt? No
Flight Crew Seats --
Cabin Crew Seats --
Passenger Seats --
Total number of seats on the aircraft 400
Number of Engines 3
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection Unknown
Date of Last Inspection --
Airframe hours since last inspection --
Airframe Hours --
ELT Installed Yes
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name DELTA AIRLINES
Aircraft Owner Street Address 1010 DELTA BLVD
Aircraft Owner City ATLANTA
Aircraft Owner State GA
Aircraft Owner Country
Aircraft Owner Zipcode 30320
Operator is an individual? --
Operator Name
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address
Operator City
Operator State
Operator Country
Operator Zip code
Operator Code
Owner has at least one certificate Yes - certificate holder
Other Operator of large aircraft? No
Certified for Part 133 or 137 Operation Unknown
Operator Certificate Number --
Indicates whether an air carrier operation was scheduled or not Scheduled
Indicates Domestic or International Flight Domestic
Operator carrying Pax/Cargo/Mail Passenger Only
Type of Flying (Per_Bus / Primary) Unknown
Second Pilot on Board Yes
Departure Point Same as Event No
Departure Airport Code HNL
Departure City HONOLULU
Departure State HI
Departure Country
Departure Time 0
Departure Time Zone
Destination Same as Local Flt --
Destination Airport Code ATL
Destination City ATLANTA
Destination State GA
Destination Country
Specific Phase of Flight Cruise
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:30AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 0
Runway Length 0
Runway Width 0
Sight Seeing flight No
Air Medical Flight No
Medical Flight --