Tracy Airport
Aircraft Accident/Incident Report

Tracy, California 95376
Saturday, February 4, 1989 15:45 PST

NTSB Narrative Summary Released at Completion of Accident

DURING A LOCAL TEST FLIGHT, THE PILOT LOST CONTROL OF THE HALF-SCALE P-51 AIRPLANE WHILE TURNING FROM DOWNWIND TO BASE. THE AIRPLANE COLLIDED WITH THE TERRAIN SHORT OF THE RUNWAY. INSPECTION OF THE AIRPLANE REVEALED THAT THE AILERON CONTROL BELLCRANK WAS NOT INSTALLED IN ACCORDANCE WITH RECORDS HELD BY THE PILOT/MANUFACTURER. WITNESSES REPORTED SEEING BOTH AILERONS AND THE WINGS FLUTTERING BEFORE THE CRASH. EVIDENCE INDICATED AILERON OVERTRAVEL. THE COCKPIT CONTROL STICK WAS NOT EQUIPPED WITH CONTROL TRAVEL STOPS.

NTSB Probable Cause Narrative

THE IMPROPER INSTALLATION OF THE AILERON CONTROLS OF THIS HOMEBUILT ACFT BY THE PILOT/MANUFACTURER WHICH LED TO THE INFLIGHT LOSS OF CONTROL OF THE AIRPLANE. CONTRIBUTING TO THE ACCIDENT WAS THE PILOT'S INEXPERIENCE IN THE AIRPLANE.

Event Information

Type of Event Accident
Event Date 2/4/1989
Event Day of the Week Saturday
Time of Event 1545
Event Time Zone Pacific Standard Time
Event City TRACY
Event State CALIFORNIA
Event Country --
Zipcode of the event site 95376
Event Date Year 1989
Event Date Month 2
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport TRACY
Event Location Nearest Airport ID 036
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 290
Airport Elevation 192
Weather Briefing Completeness Unknown
Investigator's weather source Witness
Time of the weather observation 0
Direction of event from weather observation facility (degrees) 0
Weather Observation Facility ID
Elevation of weather observation facility 0
Distance of event from weather observation facility (units?) 0
Time Zone of the weather observation
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) 0
Air Temperature at event time (in degrees celsius) -18
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) 0
Variable Wind Indicator Unknown
Wind Speed (knots) 0
Wind Velocity Indicator Calm
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 Fatal
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal 1
Injury Total Minor --
Injury Total None --
Injury Total Serious --
Injury Total All 1
Investigating Agency FAA
NTSB Docket Number (internal use) 117
NTSB Notification Source --
NTSB Notification Date Feb 4 1989 12:00AM
NTSB Notification Time 1545
Fiche Number and/or location -used to find docket information 38310
Date of most recent change to record Dec 13 2000 12:28PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N51K
NTSB Number LAX89DVD02
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage Destroyed
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name WAR REPLICAS
Aircraft Model P-51
Aircraft Series Identifier P-51
Aircraft Serial Number 001
Certified Max Gross Weight 2000
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 --
Airframe hours since last inspection 9
Airframe Hours 9
ELT Installed No
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name PETER M. NIEBER
Aircraft Owner Street Address 30 HILL TOP COURT
Aircraft Owner City SAN RAMON
Aircraft Owner State CA
Aircraft Owner Country
Aircraft Owner Zipcode 94593
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) Unknown
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code 036
Departure City TRACY
Departure State CA
Departure Country
Departure Time 1530
Departure Time Zone PST
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 Approach
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 29
Runway Length 3680
Runway Width 100
Sight Seeing flight No
Air Medical Flight No
Medical Flight --