Holly Lake Ranch Airport
Aircraft Accident/Incident Report

Holly Lake Ranch, Texas 75765
Wednesday, August 1, 2012 11:20 CDT

NTSB Narrative Summary Released at Completion of Accident

The airplaneā€™s engine lost power during the descent to the destination airport, and the airplane struck trees during the ensuing forced landing attempt. A postaccident examination of the engine revealed that the idler gear pin was not in position and no retaining bolts were found. Additionally, the nuts from the forward left, lower through bolt on the crankcase half and the forward left engine mount bolt were missing. A logbook entry indicated that the engine had been reassembled and re-installed on the airplane about 1 week before the accident due to a previous propeller strike. Based on the available information, it is likely that the improper assembly of the engine, specifically the omission of the idler gear pin retaining bolts, resulted in the idler gear falling out of its position and a subsequent complete loss of engine power.

NTSB Probable Cause Narrative

The incomplete maintenance performed by maintenance personnel, which resulted in a total loss of engine power.

Event Information

Type of Event Accident
Event Date 8/1/2012
Event Day of the Week Wednesday
Time of Event 1120
Event Time Zone Central Daylight Time
Event City Holly Lake Ranch
Event State TEXAS
Event Country --
Zipcode of the event site 75765
Event Date Year 2012
Event Date Month 8
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude 324151N
Event Location Longitude 0951228W
Event Location Airport Holly Lake Ranch Airport
Event Location Nearest Airport ID 16TE
Indicates whether the acc/inc occurred off or on an airport Off Airport/Airstrip
Distance from airport in statute miles 0.5
Degrees magnetic from airport --
Airport Elevation 409
Weather Briefing Completeness --
Investigator's weather source Weather Observation Facility
Time of the weather observation 1115 Central Daylight Time
Direction of event from weather observation facility (degrees) 90
Weather Observation Facility ID JXI
Elevation of weather observation facility 415
Distance of event from weather observation facility (units?) 13
Time Zone of the weather observation CDT
Lighting Conditions Day
Lowest Ceiling Height --
Lowest Non-Ceiling Height --
Sky/Lowest/Cloud Conditions Clear
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) --
Visibility Runway Visual Value (Statute Miles) --
Visibility (Statute Miles) 10
Air Temperature at event time (in degrees celsius) 33
Dew Point at event time (in degress fahrenheit) 20
Wind Direction (degrees magnetic) 210
Variable Wind Indicator Wind direction could be determined
Wind Speed (knots) 8
Wind Velocity Indicator --
Wind Gust Indicator Not Gusting
Wind Gust (knots) --
Altimeter Setting at event time (in. Hg) 29.98
Density Altitude (feet) --
Intensity of Precipitation --
METAR weather report ##################################################
Event Highest Injury Serious
On Ground, Fatal Injuries --
On Ground, Minor Injuries --
On Ground, Serious Injuries --
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) 31784
NTSB Notification Source FAA-ASW-ROC
NTSB Notification Date --
NTSB Notification Time --
Fiche Number and/or location -used to find docket information --
Date of most recent change to record Aug 23 2013 1:30PM
User who most recently changed record brajo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N4684D
NTSB Number CEN12LA501
Missing Aircraft Indicator --
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed None
Flight plan Was Activated? No
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name BEECH
Aircraft Model H35
Aircraft Series Identifier --
Aircraft Serial Number D-4867
Certified Max Gross Weight --
Aircraft Category Airplane
Aircraft Registration Class --
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 --
Date of Last Inspection Jul 25 2012 12:00AM
Airframe hours since last inspection --
Airframe Hours --
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name SMITH ADAM E
Aircraft Owner Street Address --
Aircraft Owner City LINDALE
Aircraft Owner State TX
Aircraft Owner Country USA
Aircraft Owner Zipcode 75771-3250
Operator is an individual? Yes
Operator Name Jesse Loffer
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address --
Operator City Gladewater
Operator State TX
Operator Country USA
Operator Zip code 75647
Operator Code --
Owner has at least one certificate None
Other Operator of large aircraft? No
Certified for Part 133 or 137 Operation --
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) Business
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code JDD
Departure City Mineola
Departure State TX
Departure Country USA
Departure Time 1100
Departure Time Zone CDT
Destination Same as Local Flt --
Destination Airport Code JXI
Destination City Gilmer
Destination State TX
Destination Country USA
Specific Phase of Flight --
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Aug 23 2013 1:30PM
User who most recently changed record brajo
Since inspection or accident --
Event Location Runway Number and Location 27
Runway Length 2700
Runway Width 30
Sight Seeing flight No
Air Medical Flight No
Medical Flight --