CEN15LA417

NTSB accident investigation · Grumman American Avn. AA 5 · Pekin, IN · September 5, 2015

Accident · No injuriesLimited investigationFinal report
Date
September 5, 2015, 12:00 local (16:00 UTC)
Place
Pekin, IN
Injuries
2 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N67296Grumman American Avn. AA 5
Defining event
Landing-landing roll: Loss of control on ground
Weather
Visual (VMC) · Day
Status
Completed · report July 11, 2016
Report
Approved by Office Director
NTSB office
Central Region
Parties
FAA Flight Standards
FAA report
20150905014789A
Case key
92014

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

On this page

Probable cause

The pilot's loss of directional control during the landing roll due to contact with a corn crop that extended into the runway area. Contributing to the accident were the lack of accurate available information to the pilot regarding the runway condition, the pilot's failure to observe the intervening corn crop during the prelanding aerial fly-over, and his decision to land on a runway with a limited safety margin.

Findings · 6

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.

Performance/control parameters: directional controlAircraft › Aircraft oper/perf/capability · Not attained/maintainedGrumman American Avn. AA-5: 2 casesAll aircraft: 3,958 casesProbable cause
Airport facilities/design: runway/landing area conditionEnvironmental issues › Operating environment · Effect on operationGrumman American Avn. AA-5: 1 caseAll aircraft: 61 casesProbable cause
Airport facilities/design: runway/landing area conditionEnvironmental issues › Operating environment · Awareness of conditionGrumman American Avn. AA-5: 1 caseAll aircraft: 61 casesProbable cause
Airport facilities/design: runway/landing area conditionEnvironmental issues › Operating environment · Availability of related infoGrumman American Avn. AA-5: 1 caseAll aircraft: 61 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

The private pilot reported that he inquired about the runway condition at the intended destination private-use airport before the accident flight. He was informed that the runway was 40 ft wide by 2,000 ft long. Upon arrival, the pilot overflew the runway at 1,500 ft above ground level and noted that the runway appeared to have been "mowed." The pilot subsequently established the airplane on a long final. As he was landing, he observed corn extending from an adjacent field into the runway area. He chose to continue the landing rather than attempt a go-around. During the landing, the left wing struck the protruding corn crop, and the left main wheel dropped off the grass runway and pulled the airplane into the corn. The pilot did not report any preimpact failures or malfunctions with the airplane. A postaccident examination of the runway environment revealed that the runway width had been reduced from about 40 to 32 ft in the area of the impinging corn crop, which was located about 375 ft from the approach end of the runway. The airplane's wingspan was 31 ft 5 inches.

Factual narrative

On September 5, 2015, about 1200 eastern daylight time, a Grumman American AA-5 airplane, N67296, impacted a corn crop during landing rollout on runway 1 (40 feet by 1,200 feet, turf) at the Spring Lake Airport (IN43), Pekin, Indiana. The pilot and pilot-rated passenger were not injured. The airplane sustained substantial damage to the left wing. The airplane was registered to the pilot-rated passenger and operated by the pilot under the provisions of 14 Code of Federal Regulations Part 91 as a personal flight. Day visual meteorological conditions prevailed for the flight, which was not operated on a flight plan. The airplane was based at Sumner County Regional Airport (M33), Gallatin, Tennessee. The accident airport, IN43, was the intended destination.The pilot informed Federal Aviation Administration (FAA) inspectors that they were planning to look at an ultralight aircraft that was for sale. The individual meeting the pilots reportedly informed them that the runway was 40 feet wide by 2,000 feet long. Upon arrival, the pilot stated that he overflew the runway northbound at 1,500 feet above ground level; the runway appeared to have been "mowed." The pilot subsequently established the airplane on a long final and crossed the approach threshold at 70 mph. As he was landing, he observed corn from the adjacent field protruding into the runway area. He elected to continue the landing rather than attempt a go-around at that point. The left wing ultimately struck the protruding corn crop and the left main wheel dropped off the grass runway, pulling the airplane into the corn. The pilot did not report any preimpact failures or malfunctions related to the airplane. The pilot-rated passenger reported that a section of the adjoining corn crop extended about 6 feet into the left side of the runway area. Otherwise, the runway was "perfect" and appeared to have been recently mowed. He noted that the pilot conducted a "high pass" before landing in order to assess the runway condition, but they did not observe the intervening corn crop. The left wing subsequently impacted the corn during the landing rollout while the airplane was still traveling about 45 mph. A postaccident examination of the runway by FAA inspectors determined that the basic landing area was approximately 40 feet wide by 1,200 feet long. However, about 375 feet from the approach/landing threshold, a portion of the crop from the adjacent corn field was planted into the landing area and reduced the available runway width to approximately 32 feet 6 inches. Damage to the corn crop in that area was consistent with contact from the accident airplane. The airplane wingspan was 31 feet 5 inches. The Spring Lake Airport (IN43) is a private use airport and permission is required prior to landing.

Aircraft

Registration
N67296
Reported as
Grumman American Avn. AA 5 (UNDESIGNAT)
Category
Airplane
Serial number
AA5-0764
Built
1975
Engine
Lycoming O-320-E2G, 150 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Airworthiness certificate
Standard, Normal
Departed
M33 · Gallatin, TN
Destination
IN43 · Pekin, IN
Airport
IN43 · Spring Lake, runway 1, 1,200 × 40 ft, grass/turf

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

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
30
Injuries
None
Certificate
Private
Airplane ratings
Single-engine land
Instrument ratings
Airplane
Medical
Class 3, Without waivers/limitations
Last flight review
December 28, 2013
Seat
Left
Restraint
3-point
Flight hours
1,500 total · 1,450 in this make and model · 100 in the last 90 days

Weather

Conditions
Visual (VMC) · Day
Wind
Variable at 3 knots
Visibility
7 statute miles
Lowest ceiling
None
Temperature
88 °F, dew point 66 °F
Altimeter
30.13 inHg
Observed at
SDF, 21 nm away

Docket · 5

The files NTSB released with the investigation on May 31, 2016, on NTSB’s docket system: statements, records, photos and specialists’ reports. 917 KB 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.