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NTSB Report
June 18, 1992 · Cessna 320D · N3307Q
Aztec, NM
Overview
Report Status
Probable Cause
Event Type
Accident
Date
June 18, 1992
Injury Outcomes
No injuries (1 uninjured)
Location
Aztec, NM
Aircraft
Cessna 320D
Tail Number
N3307Q
Operator
Dabbs Thurman C
Injuries
None
Aircraft Damage
Substantial
NTSB Number
FTW92LA164
A COMMERCIAL PILOT WAS FERRYING A LIGHT TWIN AIRPLANE WITH THE LANDING GEAR EXTENDED. AS THE PILOT STARTED HIS DESCENT TO LAND, THE NUMBER SIX CONNECTING ROD ON THE RIGHT ENGINE FAILED. THE PILOT WAS NOT ABLE TO FEATHER THE PROPELLER ON THE RIGHT ENGINE. ALTITUDE COULD NOT BE MAINTAINED WITH A WINDMILLING PROPELLER AND THE GEAR EXTENDED. A FORCED LANDING WAS MADE TO A HEAVILY TRAVELLED HIGHWAY. DAMAGE TO THE AIRPLANE OCCURRED WHEN THE PILOT ELECTED TO VEER OFF THE HIGHWAY TO AVOID COLLIDING WITH VEHICULAR TRAFFIC. DENSITY ALTITUDE WAS 10,900 FEET. THE PROPELLER FAILURE TO FEATHER WAS CAUSED BY THE PROPELLER GOVERNOR BEING OUT OF ADJUSTMENT.
NTSB Probable Cause
FAILURE OF THE RIGHT PROPELLER TO FEATHER AND INOPERATIVE GEAR RETRACTION SYSTEM. FACTORS WERE THE HIGH DENSITY ALTITUDE AND THE POWER LOSS DUE TO CONNECTING ROD FAILURE.
Full Narrative
A COMMERCIAL PILOT WAS FERRYING A LIGHT TWIN AIRPLANE WITH THE LANDING GEAR EXTENDED. AS THE PILOT STARTED HIS DESCENT TO LAND, THE NUMBER SIX CONNECTING ROD ON THE RIGHT ENGINE FAILED. THE PILOT WAS NOT ABLE TO FEATHER THE PROPELLER ON THE RIGHT ENGINE. ALTITUDE COULD NOT BE MAINTAINED WITH A WINDMILLING PROPELLER AND THE GEAR EXTENDED. A FORCED LANDING WAS MADE TO A HEAVILY TRAVELLED HIGHWAY. DAMAGE TO THE AIRPLANE OCCURRED WHEN THE PILOT ELECTED TO VEER OFF THE HIGHWAY TO AVOID COLLIDING WITH VEHICULAR TRAFFIC. DENSITY ALTITUDE WAS 10,900 FEET. THE PROPELLER FAILURE TO FEATHER WAS CAUSED BY THE PROPELLER GOVERNOR BEING OUT OF ADJUSTMENT.
Flight
Event TypeAccident
Event Time12:18 MDT
Nearest Airport0nm N
Runway0
Runway Length0
Runway Width0
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftCessna 320D
Tail NumberN3307Q
Aircraft CategoryAir
DamageSubstantial
OperatorDabbs Thurman C
Operating RulePart 91
Engines2
Engine TypeReciprocating
Engine DetailsContinental · TSIO-520B · Reciprocating · 285
Seats6
People & Injuries
Injury SummaryNo injuries (1 uninjured)
Fatal0
Serious0
Minor0
Uninjured1
Total1
Crew 1Age 52 · First Class
Conditions
ConditionsVMC
LightDaylight
Wind350° @ 8 kt
Visibility90 sm
CeilingNone
Temperature / Dew Point27 C
Altimeter30.00 inHg
Observation Time18:47
Weather SourceWFAC