Palo Alto Airport
Aircraft Accident/Incident Report

Palo Alto, California 94303
Sunday, August 7, 1983 9:14 PDT

NTSB Narrative Summary Released at Completion of Accident

THE ACFT NOSED OVER IN A MARSH DURING A FORCED LANDING AFTER AN ENGINE FAILURE. THIS WAS A SOLO INSTRUCTIONAL FLT. THE PLT SAID HE WAS DESCENDING FOR A LANDING AT PALO ALTO WHEN THE ENGINE BEGAN TO 'LOSE POWER AND RUN ROUGH.' CARBURETOR HEAT DID NOT WORK AND WHEN THROTTLE WAS ADDED THE VIBRATION INCREASED. A FORCED LANDING WAS MADE NORTH OF THE ARPT. A POST ACCIDENT TEAR DOWN OF THE ENGINE REVEALED A FAILURE OF THE #1 CONNECTING ROD END CAP. THIS AND PARTS OF THE PISTON RING SECTIONS AND A CONNECTING ROD BEARING WERE FOUND IN THE OIL SUMP. #2 CYLINDER WAS FOUND BATTERED AND DENTED. #3 AND #4 CYLINDERS WERE NORMAL.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 8/7/1983
Event Day of the Week Sunday
Time of Event 914
Event Time Zone Pacific Daylight Time
Event City PALO ALTO
Event State CALIFORNIA
Event Country --
Zipcode of the event site 94303
Event Date Year 1983
Event Date Month 8
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport PALO ALTO
Event Location Nearest Airport ID PAO
Indicates whether the acc/inc occurred off or on an airport Off Airport/Airstrip
Distance from airport in statute miles 6
Degrees magnetic from airport 350
Airport Elevation 10
Weather Briefing Completeness Not pertinent
Investigator's weather source Weather Observation Facility
Time of the weather observation 845 Pacific Daylight Time
Direction of event from weather observation facility (degrees) 170
Weather Observation Facility ID PAO
Elevation of weather observation facility 10
Distance of event from weather observation facility (units?) 6
Time Zone of the weather observation PDT
Lighting Conditions Day
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 10000
Sky/Lowest/Cloud Conditions Scattered
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 7
Air Temperature at event time (in degrees celsius) 25
Dew Point at event time (in degress fahrenheit) 17
Wind Direction (degrees magnetic) 360
Variable Wind Indicator Unknown
Wind Speed (knots) 5
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 29
Density Altitude (feet) 1167
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 1
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 2217
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information 22559
Date of most recent change to record Jan 2 2001 9:15AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N714QA
NTSB Number LAX83LA375
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name CESSNA
Aircraft Model 150M
Aircraft Series Identifier 150M
Aircraft Serial Number 15079340
Certified Max Gross Weight 1600
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 2
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Apr 1 1983 12:00AM
Airframe hours since last inspection 358
Airframe Hours 4608
ELT Installed Yes
ELT Activated Yes
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name 4QA ASSOCIATION
Aircraft Owner Street Address 600 SW 10TH AVENUE
Aircraft Owner City PORTLAND
Aircraft Owner State OR
Aircraft Owner Country
Aircraft Owner Zipcode 97205
Operator is an individual? --
Operator Name STANFORD FLYING CLUB
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address PO BOX 6112
Operator City STANFORD
Operator State CA
Operator Country
Operator Zip code 94305
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 --
Indicates Domestic or International Flight --
Operator carrying Pax/Cargo/Mail --
Type of Flying (Per_Bus / Primary) Instructional
Second Pilot on Board No
Departure Point Same as Event Yes
Departure Airport Code
Departure City
Departure State
Departure Country
Departure Time 0
Departure Time Zone
Destination Same as Local Flt dest & departure same, accident can occur anywhere
Destination Airport Code
Destination City
Destination State
Destination Country
Specific Phase of Flight Landing
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:36AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 30
Runway Length 2500
Runway Width 65
Sight Seeing flight No
Air Medical Flight No
Medical Flight --