Omak Airport
Aircraft Accident/Incident Report

Omak, Washington 98841
Friday, March 3, 1995 15:10 PST

NTSB Narrative Summary Released at Completion of Accident

THE PILOT, WHILE ON FINAL APPROACH AT 500 FEET AGL, LOST ELEVATOR CONTROL WHEN THE ELEVATOR PUSH ROD SEPARATED DUE TO BENDING FATIGUE. THE MONOBALL BEARING WAS FOUND TO BE FROZEN AND CORRODED. THE AIRCRAFT HAD UNDERGONE AN ANNUAL INSPECTION WHEN PURCHASED 108 HOURS PRIOR TO THE ACCIDENT, AND THE FLIGHT CONTROLS HAD BEEN SIGNED OFF AS LUBRICATED. NO AD LISTING WAS FOUND, HOWEVER, TO VERIFY WHETHER AD 73-21-01 HAD BEEN COMPLIED WITH AT THE ANNUAL INSPECTION. THE AD, WHICH REQUIRED LUBRICATION OF THE FLIGHT CONTROLS EVERY 100 HOURS, WAS 8 HOURS OVERDUE AT THE TIME OF THE ACCIDENT.

NTSB Probable Cause Narrative

THE ELEVATOR PUSH ROD SEPARATION DUE TO FATIGUE. FACTORS CONTRIBUTING TO THE ACCIDENT WERE THE PILOT IN COMMAND'S FAILURE TO INSURE COMPLIANCE WITH THE AIRWORTHINESS DIRECTIVE AND THE FROZEN PUSH ROD BEARING.

Event Information

Type of Event Accident
Event Date 3/3/1995
Event Day of the Week Friday
Time of Event 1510
Event Time Zone Pacific Standard Time
Event City OMAK
Event State WASHINGTON
Event Country --
Zipcode of the event site 98841
Event Date Year 1995
Event Date Month 3
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport OMAK
Event Location Nearest Airport ID OMK
Indicates whether the acc/inc occurred off or on an airport Off Airport/Airstrip
Distance from airport in statute miles 1
Degrees magnetic from airport 160
Airport Elevation 1301
Weather Briefing Completeness Not pertinent
Investigator's weather source Weather Observation Facility
Time of the weather observation 1450 Pacific Standard Time
Direction of event from weather observation facility (degrees) 160
Weather Observation Facility ID EPH
Elevation of weather observation facility 1301
Distance of event from weather observation facility (units?) 69
Time Zone of the weather observation PST
Lighting Conditions Day
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 15000
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) 20
Air Temperature at event time (in degrees celsius) 8
Dew Point at event time (in degress fahrenheit) -7
Wind Direction (degrees magnetic) 80
Variable Wind Indicator Unknown
Wind Speed (knots) 3
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 29
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) 547
NTSB Notification Source --
NTSB Notification Date Mar 3 1995 12:00AM
NTSB Notification Time 1553
Fiche Number and/or location -used to find docket information IMAGE
Date of most recent change to record Dec 7 2000 4:10PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N7836V
NTSB Number SEA95LA058
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 MOONEY
Aircraft Model M20C
Aircraft Series Identifier M20C
Aircraft Serial Number 2871
Certified Max Gross Weight 2575
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 4
Number of Engines 1
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection Annual
Date of Last Inspection Jul 27 1994 12:00AM
Airframe hours since last inspection 108
Airframe Hours 3402
ELT Installed Unknown
ELT Activated Unknown
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name HARTMAN, CALVIN, G.
Aircraft Owner Street Address PO BOX 4008
Aircraft Owner City OMAK
Aircraft Owner State WA
Aircraft Owner Country
Aircraft Owner Zipcode 98841
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 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 WA21
Departure City ELECTRIC CITY
Departure State WA
Departure Country
Departure Time 1450
Departure Time Zone PST
Destination Same as Local Flt crash at destination city
Destination Airport Code OMK
Destination City
Destination State
Destination Country
Specific Phase of Flight Approach
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:34AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 35
Runway Length 4654
Runway Width 150
Sight Seeing flight No
Air Medical Flight No
Medical Flight --