Twin Falls Airport
Aircraft Accident/Incident Report

Twin Falls, Idaho 83301
Saturday, December 17, 1988 15:25 MST

NTSB Narrative Summary Released at Completion of Accident

PRIOR TO LANDING, THE PILOT WAS UNABLE TO LOWER THE NOSE GEAR BY USING EITHER THE NORMAL OR EMERGENCY SYSTEMS. SUBSEQUENTLY, HE LANDED THE ACFT WITH THE MAIN GEAR EXTENDED & THE NOSE GEAR IN THE RETRACTED POSITION. AFTER LANDING, THE NOSE GEAR UPLOCK ACTUATOR WAS REMOVED FROM THE ACFT & INSPECTED, BUT NO ABNORMALITIES WERE FOUND.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 12/17/1988
Event Day of the Week Saturday
Time of Event 1525
Event Time Zone Mountain Standard Time
Event City TWIN FALLS
Event State IDAHO
Event Country --
Zipcode of the event site 83301
Event Date Year 1988
Event Date Month 12
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport TWIN FALLS
Event Location Nearest Airport ID TWF
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 4150
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 525 Mountain Standard Time
Direction of event from weather observation facility (degrees) 0
Weather Observation Facility ID TWF
Elevation of weather observation facility 4150
Distance of event from weather observation facility (units?) 0
Time Zone of the weather observation MST
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) 40
Air Temperature at event time (in degrees celsius) 1
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) 100
Variable Wind Indicator Unknown
Wind Speed (knots) 8
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
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 2
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 1730
NTSB Notification Source --
NTSB Notification Date Dec 20 1988 12:00AM
NTSB Notification Time 1300
Fiche Number and/or location -used to find docket information 37908
Date of most recent change to record Dec 13 2000 12:22PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N3815Y
NTSB Number SEA89LA028
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 210D
Aircraft Series Identifier 210D
Aircraft Serial Number 21058315
Certified Max Gross Weight 3000
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 6
Number of Engines 1
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Mar 1 1988 12:00AM
Airframe hours since last inspection 100
Airframe Hours 2290
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name HIGH COUNTRY AERO CLUB
Aircraft Owner Street Address P.O. BOX 186
Aircraft Owner City SUN VALLEY
Aircraft Owner State ID
Aircraft Owner Country
Aircraft Owner Zipcode
Operator is an individual? --
Operator Name HIGH COUNTRY AERO CLUB
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address P.O.BOX 186
Operator City SUN VALLEY
Operator State ID
Operator Country
Operator Zip code 83353
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 SUN
Departure City HAILEY
Departure State ID
Departure Country
Departure Time 1415
Departure Time Zone MST
Destination Same as Local Flt crash at destination city
Destination Airport Code TWF
Destination City TWIN FALLS
Destination State ID
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 25
Runway Length 8703
Runway Width 150
Sight Seeing flight No
Air Medical Flight No
Medical Flight --