Jump West Airport
Aircraft Accident/Incident Report

Star, Idaho 83669
Tuesady, May 9, 1989 10:45 MDT

NTSB Narrative Summary Released at Completion of Accident

THE PLT MADE A LOW PASS OVER THE AIRPORT TO CHECK THE RWY, THEN DECIDED NOT TO LAND. WHEN HE APPLIED POWER TO INITIATE A GO-AROUND, TEETH STRIPPED OFF OF THE PROP DRIVE BELT. THIS RESULTED IN AN INTERRUPTION OF POWER TO THE PROP. THE PLT MANEUVERED THE ACFT BACK TOWARD THE ARPT IN STRONG GUSTY WINDS, BUT WAS UNABLE TO LAND ON THE RWY. SUBSEQUENTLY, THE ACFT WAS EXTENSIVELY DAMAGED WHEN IT IMPACTED ON A SMALL HILL ABOUT 100' NORTH OF THE RWY. THE PLT RPRTD THE WIND WAS FROM THE SOUTH AT 15 GUSTING 20 KTS.

NTSB Probable Cause Narrative

FAILURE OF THE PROPELLER DRIVE BELT (STRIPPED TEETH). CONTRIBUTING FACTORS WERE: STRONG/GUSTY WINDS AND THE HILLY TERRAIN.

Event Information

Type of Event Accident
Event Date 5/9/1989
Event Day of the Week Tuesday
Time of Event 1045
Event Time Zone Mountain Daylight Time
Event City STAR
Event State IDAHO
Event Country --
Zipcode of the event site 83669
Event Date Year 1989
Event Date Month 5
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport JUMP WEST
Event Location Nearest Airport ID
Indicates whether the acc/inc occurred off or on an airport On Airport
Distance from airport in statute miles 0
Degrees magnetic from airport 0
Airport Elevation 2550
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 950 Mountain Daylight Time
Direction of event from weather observation facility (degrees) 110
Weather Observation Facility ID BOI
Elevation of weather observation facility 2858
Distance of event from weather observation facility (units?) 16
Time Zone of the weather observation MDT
Lighting Conditions Day
Lowest Ceiling Height 12000
Lowest Non-Ceiling Height 7000
Sky/Lowest/Cloud Conditions Scattered
Sky Condition for Lowest Ceiling Broken
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 30
Air Temperature at event time (in degrees celsius) 19
Dew Point at event time (in degress fahrenheit) 5
Wind Direction (degrees magnetic) 170
Variable Wind Indicator Unknown
Wind Speed (knots) 15
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 15
Altimeter Setting at event time (in. Hg) 29
Density Altitude (feet) 3560
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury Serious
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor --
Injury Total None --
Injury Total Serious 1
Injury Total All 1
Investigating Agency NTSB
NTSB Docket Number (internal use) 426
NTSB Notification Source --
NTSB Notification Date May 10 1989 12:00AM
NTSB Notification Time 740
Fiche Number and/or location -used to find docket information 38927
Date of most recent change to record Dec 13 2000 12:42PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N5531N
NTSB Number SEA89LA083
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 DAVIS STARSHIP
Aircraft Model ALPHA
Aircraft Series Identifier ALPHA
Aircraft Serial Number D-007
Certified Max Gross Weight 950
Aircraft Category Airplane
Aircraft Registration Class U.S. Registered/U.S. Soil
Aircraft is a homebuilt? Yes
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 Retractable
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Mar 31 1989 12:00AM
Airframe hours since last inspection 8
Airframe Hours 172
ELT Installed No
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name GILBERT E DAVIS
Aircraft Owner Street Address P.O. BOX 1103
Aircraft Owner City NAMPA
Aircraft Owner State ID
Aircraft Owner Country
Aircraft Owner Zipcode 83651
Operator is an individual? --
Operator Name GILBERT E. DAVIS
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address 826 N. MAPLE GROVE RD
Operator City BOISE
Operator State ID
Operator Country
Operator Zip code 83704
Operator Code
Owner has at least one certificate None
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) Personal
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code S67
Departure City NAMPA
Departure State ID
Departure Country
Departure Time 1030
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 Landing
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 5
Runway Length 4200
Runway Width 50
Sight Seeing flight No
Air Medical Flight No
Medical Flight --