CEN11CA497

NTSB accident investigation · Grumman Schweizer G-164A · North English, IA · July 21, 2011

Accident · No injuriesData collectionFinal report
Date
July 21, 2011, 17:30 local (22:30 UTC)
Place
North English, IA
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N5439Grumman Schweizer G-164A
Defining event
Landing: Hard landing
Weather
Visual (VMC) · Day
Status
Completed · report October 20, 2011
Report
Approved by Office Director
NTSB office
Central Region
Parties
Federal Aviation Administration
FAA report
20110721014159A
Case key
81192

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's improper flare which resulted in a hard landing.

Findings · 3

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.

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 pilot stated that he was attempting a landing into the sun with agricultural chemical on the windshield. He said that a sudden air burst pushed the airplane down, which resulted in a hard landing. The airplane then bounced and impacted the runway causing substantial damage to the fuselage. Weather reports for the area did not indicate the presence of weather that would have resulted in an air burst.

Factual narrative

The pilot stated that he was attempting a landing into the sun with agricultural chemical on the windshield. He said that a sudden air burst pushed the airplane down, which resulted in a hard landing. The airplane then bounced and impacted the runway. The airplane sustained substantial damage to the fuselage. Weather reports for the area did not indicate the presence of weather that would have resulted in an air burst.

Aircraft

Registration
N5439
Reported as
Grumman Schweizer G-164A
Category
Airplane
Serial number
1158
Airframe hours
8,554.2
Engine
Garret AiResearch TPE-331, 665 horsepower, turbo prop
Damage
Substantial damage
Flight
Aerial application · Part 137
Operator
Kirk Aviation Inc
Registered owner
Kirk Aviation Inc
Airworthiness certificate
Special, Restricted (Special)
Last inspection
Continuous airworthiness · July 16, 2011
Departed
7IA1 · North English, IA
Destination
North English, IA
Airport
7IA1 · White Pigeon Airport, runway 27, 2,400 × 70 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
68
Injuries
None
Certificate
Commercial
Airplane ratings
Single-engine land
Instrument ratings
Airplane
Medical
Class 2, With waivers/limitations
Last flight review
March 20, 2011
Seat
Single
Flight hours
30,000 total · 2,508 in this make and model · 29,750 as pilot in command · 150 in the last 90 days · 20 in the last 30 days · 4 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
140° at 3 knots
Visibility
10 statute miles
Lowest ceiling
None
Temperature
97 °F, dew point 73 °F
Altimeter
29.81 inHg
Observed at
AWG, 26 nm away

Docket · 1

The files NTSB released with the investigation on September 7, 2011, on NTSB’s docket system: statements, records, photos and specialists’ reports. 12 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.