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NTSB Report
January 16, 2020 · Beech 76 No Series · N6630D
St. Charles, MO
Overview
Report Status
Final with probable cause
Event Type
Accident
Date
January 16, 2020
Injury Outcomes
No injuries (2 uninjured)
Location
St. Charles, MO
Aircraft
Beech 76 No Series (1979)
Tail Number
N6630D
Operator
St Charles Flying Service
Injuries
None
Aircraft Damage
Substantial
NTSB Number
CEN20CA062
The pilot receiving instruction and flight instructor were performing a zero-thrust, single-engine, full-stop landing when a sink rate developed on final approach. Subsequently, the instructor told the pilot to "add a small amount of power to the right operating engine." The pilot misunderstood the instruction as "abort" and added full power to the right engine to abort the landing. The airplane rolled left, and the instructor added right rudder to arrest the roll. The left wing hit the ground; the airplane rotated left, which resulted in substantial damage to the left wing; and the landing gear collapsed. The instructor reported that there were no preaccident mechanical malfunctions or failures with the airplane that would have precluded normal operation.
NTSB Probable Cause
The pilot receiving instruction’s misunderstanding of the flight instructor’s instruction and the pilot's and the instructor’s insufficient use of rudder while adding power to the operating engine, which resulted in the airplane rolling left and the wing striking the ground. Contributing to the accident was the flight instructor's delayed remedial action.
Full Narrative
The pilot and flight instructor had completed about two hours of multi-engine flight training and were performing a "zero thrust, single engine" full stop landing. A sink rate developed on final approach and the flight instructor told the pilot to "add a small amount of power to the right operating engine." The pilot misunderstood the instruction as "abort" and added full power to the right engine to abort the landing. The airplane rolled left and the flight instructor added right rudder to arrest the roll. The left wing hit the ground and the airplane rotated left on the ground, substantially damaging the airplane's left wing and collapsing the three landing gear. Neither pilot was injured. There were no mechanical anomalies that would have precluded normal operation.
Flight
Event TypeAccident
Event Time12:45 CST
Nearest AirportSt Charles County Smartt (0nm SW)
Runway36
Runway Length3800 ft
Runway Width75 ft
Flight Plan FiledNone
Flight Plan ActivatedNo
Aircraft FireNo
Aircraft ExplosionNo
Aircraft
AircraftBeech 76 No Series
Tail NumberN6630D
Aircraft CategoryAir
DamageSubstantial
OperatorSt Charles Flying Service
Operating RulePart 91
Engines2
Engine TypeReciprocating
Engine DetailsAmateur/Experimental · Unknown · Reciprocating · 180 | Amateur/Experimental · Unknown · Reciprocating · 180
Seats4
People & Injuries
Injury SummaryNo injuries (2 uninjured)
Fatal0
Serious0
Minor0
Uninjured2
Total2
Crew 1Age 52 · Second Class · None
Crew 2Age 72 · Basc · None
Conditions
ConditionsVMC
LightDaylight
Wind280° @ 6 kt
Visibility10 sm
CeilingNone
Temperature / Dew Point0 C / 0 C
Altimeter30.75 inHg
Weather SourcePILO