ERA15CA007

NTSB accident investigation · Aeronca 7AC · Maryville, TN · October 4, 2014

Accident · Minor injuriesData collectionFinal report
Date
October 4, 2014, 18:10 local (22:10 UTC)
Place
Maryville, TN
Injuries
2 minor
Damage
Substantial damage
Phase of flight
Approach
Aircraft
N85707Aeronca 7AC
Defining event
Approach-VFR go-around: Loss of lift
Weather
Visual (VMC) · Day
Status
Completed · report April 21, 2015
Report
Approved by Office Director
NTSB office
Eastern Region Aviation
FAA report
20141004019329A
Case key
90209

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the accident.

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Probable cause

The pilot/owner's failure to maintain a stabilized approach during the final leg of the traffic pattern. Contributing to the accident was both pilot's lack of aeronautical decision making.

Findings · 5

NTSB’s coded findings. Those marked are part of the probable cause; the rest are factors or other findings. Under each, the cases with the same finding.

ActionPersonnel issues › Action/decision · PilotAeronca 7AC: 1 caseAll aircraft: 111 casesProbable cause
Use of equip/info: aircraft controlPersonnel issues › Task performance · PilotAeronca 7AC: 43 casesAll aircraft: 9,295 casesProbable cause
Communication (personnel): following instructionsPersonnel issues › Task performance · PilotAeronca 7AC: 1 caseAll aircraft: 31 casesProbable cause
Aircraft capability: climb capabilityAircraft › Aircraft oper/perf/capability · Capability exceededAeronca 7AC: 1 caseAll aircraft: 183 casesProbable cause
Communication (personnel): cRM/MRM techniquesPersonnel issues › Task performance · Instructor/check pilotAeronca 7AC: 1 caseAll aircraft: 26 casesProbable cause

Sequence of events

The events NTSB coded, in order, by phase of flight. The defining event is the one that best describes the accident. Under each, the cases with the same event anywhere in their sequence.

Analysis

According to the pilot/owner, he had purchased the airplane a few weeks prior to the accident and the flight was to accomplish training in a conventional landing gear airplane. During the training flight, numerous takeoffs and landings were accomplished at various airports in the area. While on the final leg of the traffic pattern the flight instructor (CFI) commanded a go-around maneuver and the pilot/owner stated that he "had the landing." The CFI again instructed that the go-around maneuver be performed and he advanced the throttle to full power. The pilot/owner applied back pressure and maintained the best rate of climb. According to the CFI, the pilot/owner was informed that the airplane was "high and hot" on final, after repeating that, the throttle was advanced, by the pilot/owner, and a go-around maneuver began. Neither of the pilots remembered advancing the throttle. The airplane impacted the approximate 60-foot tall trees at the departure end of the runway and nosed over, coming to rest inverted at the base of the trees, which resulted in substantial damage to the fuselage, wings, and rudder. The intended runway had a 42 foot incline, residence on the left side, and high tension powerlines on the right side. Both pilots reported that there were no mechanical malfunctions or abnormalities that would have precluded normal operation.

Factual narrative

According to the pilot/owner, he had purchased the airplane a few weeks prior to the accident and the flight was to accomplish training in a conventional landing gear airplane. During the training flight, numerous takeoffs and landings were accomplished at various airports in the area. While on the final leg of the traffic pattern the flight instructor (CFI) commanded a go-around maneuver and the pilot/owner stated that he "had the landing." The CFI again instructed that the go-around maneuver be performed and he advanced the throttle to full power. The pilot/owner applied back pressure and maintained the best rate of climb. According to the CFI, the pilot/owner was informed that the airplane was "high and hot" on final, after repeating that, the throttle was advanced, by the pilot/owner, and a go-around maneuver began. Neither of the pilots remembered advancing the throttle. The airplane impacted the approximate 60-foot tall trees at the departure end of the runway and nosed over, coming to rest inverted at the base of the trees, which resulted in substantial damage to the fuselage, wings, and rudder. The intended runway had a 42 foot incline, residence on the left side, and high tension powerlines on the right side. Both pilots reported that there were no mechanical malfunctions or abnormalities that would have precluded normal operation.

Aircraft

Registration
N85707
Reported as
Aeronca 7AC
Category
Airplane
Serial number
7AC-4453
Built
1946
Airframe hours
1,714
Engine
Contienental Motors A&C 65, 65 horsepower, reciprocating
Damage
Substantial damage
Flight
Instructional · Part 91
Airworthiness certificate
Standard, Normal
Last inspection
Annual · September 10, 2014 · 4 hours before
Departed
NONE · Maryville, TN
Destination
NONE · Maryville, TN
Airport
NONE · Kagley Field, runway 01, 1,700 × 15 ft, grass/turf
Equipment
Electronic flight bag or handheld device

Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.

Flight crew · 2

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
65
Injuries
Minor
Certificate
Private
Airplane ratings
Single-engine land, Multi-engine land
Instrument ratings
Airplane
Medical
Class 3, With waivers/limitations
Last flight review
October 16, 2012
Seat
Front
Restraint
4-point
Flight hours
551 total · 3 in this make and model · 478 as pilot in command · 14 in the last 90 days · 4 in the last 30 days
Role
Flight instructor
Age
50
Injuries
Serious
Certificates
Airline transport, Flight instructor, Commercial
Airplane ratings
Single-engine land, Multi-engine land
Instrument ratings
Airplane
Medical
Class 2, With waivers/limitations
Seat
Rear
Flight hours
7,500 total · 20 in this make and model

Weather

Conditions
Visual (VMC) · Day
Wind
280° at 9 knots
Visibility
10 statute miles
Lowest ceiling
7,000 ft broken
Temperature
57 °F, dew point 32 °F
Altimeter
29.89 inHg
Observed at
KTYS, 8 nm away

Docket · 7

The files NTSB released with the investigation on December 23, 2014, on NTSB’s docket system: statements, records, photos and specialists’ reports. 2.2 MB in all.

FAA reports on this event · 1

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.