Aircraft Accident/Incident Report

St. John, Washington 99171
Tuesady, May 5, 1992 12:25 PDT

NTSB Narrative Summary Released at Completion of Accident

DURING A SPRAY RUN THE NUMBER 1 CYLINDER HEAD SEPARATED AND A TOTAL POWER LOSS FOLLOWED. NO PRE EXISTING CRACK WAS REPORTED AT THE POINT OF FAILURE. THE PILOT SET UP FOR A FORCED LANDING IN HILLY, UNEVEN TERRAIN AND DURING THE LANDING ROLL THE AIRCRAFT MOMENTARILY BECAME AIRBORNE AFTER CRESTING A HILL AND THEN PANCAKED INTO THE GROUND.

NTSB Probable Cause Narrative

THE SEPARATION OF THE NUMBER 1 CYLINDER AND REMEDIAL ACTION BY THE PIC NOT POSSIBLE. A FACTOR CONTRIBUTING TO THE ACCIDENT WAS: ROUGH/UNEVEN TERRAIN.

Event Information

Type of Event Accident
Event Date 5/5/1992
Event Day of the Week Tuesday
Time of Event 1225
Event Time Zone Pacific Daylight Time
Event City ST. JOHN
Event State WASHINGTON
Event Country --
Zipcode of the event site 99171
Event Date Year 1992
Event Date Month 5
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 --
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 1245 Pacific Daylight Time
Direction of event from weather observation facility (degrees) 120
Weather Observation Facility ID PUW
Elevation of weather observation facility 2551
Distance of event from weather observation facility (units?) 33
Time Zone of the weather observation PDT
Lighting Conditions Day
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) 25
Air Temperature at event time (in degrees celsius) 28
Dew Point at event time (in degress fahrenheit) 12
Wind Direction (degrees magnetic) 0
Variable Wind Indicator Unknown
Wind Speed (knots) 0
Wind Velocity Indicator Calm
Wind Gust Indicator Unknown
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 30
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 1
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 310
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information 46483
Date of most recent change to record Dec 11 2000 2:56PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N8803Q
NTSB Number SEA92LA091
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 137: Agricultural
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name Rockwell
Aircraft Model S2R
Aircraft Series Identifier S2R
Aircraft Serial Number 2336R
Certified Max Gross Weight 7000
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 1
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Feb 29 1992 12:00AM
Airframe hours since last inspection 243
Airframe Hours 6216
ELT Installed No
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name LARMIE AVIATION, INC.
Aircraft Owner Street Address ROUTE 2 BOX 3
Aircraft Owner City ST. JOHN
Aircraft Owner State WA
Aircraft Owner Country
Aircraft Owner Zipcode 99171
Operator is an individual? --
Operator Name LARMIE AVIATION, INC.
Operator Same as Owner? Yes
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address ROUTE 2 BOX 3
Operator City ST. JOHN
Operator State WA
Operator Country
Operator Zip code 99171
Operator Code 64AG
Owner has at least one certificate Yes - certificate holder
Other Operator of large aircraft? No
Certified for Part 133 or 137 Operation Agriculture
Operator Certificate Number --
Indicates whether an air carrier operation was scheduled or not Unknown
Indicates Domestic or International Flight Unknown
Operator carrying Pax/Cargo/Mail Unknown
Type of Flying (Per_Bus / Primary) Aerial Application
Second Pilot on Board No
Departure Point Same as Event Yes
Departure Airport Code
Departure City
Departure State
Departure Country
Departure Time 1215
Departure Time Zone PDT
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 Maneuvering
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:35AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 0
Runway Length --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --