GAA19CA237

NTSB accident investigation · Vans RV 6 · Chandler, OK · April 27, 2019

Accident · No injuriesData collectionFinal report
Date
April 26, 2019, 19:50 local (Apr 27, 2019, 00:50 UTC)
Place
Chandler, OK
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N621LVans RV 6
Defining event
Landing: Nose over/nose down
Weather
Visual (VMC) · Day
Status
Completed · report March 20, 2020
Report
Approved by Office Director
NTSB office
General Aviation Accidents
Parties
FAA
FAA report
20190426003459A
Case key
99357

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 overapplication of the brakes during landing on a grass runway, which resulted in a nose-over.

Findings · 4

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.

Landing gear system: brakeAircraft › Aircraft systems · Incorrect use/operationCrum Don W RV-6: 1 caseAll aircraft: 297 casesProbable cause
Use of equip/info: aircraft controlPersonnel issues › Task performance · PilotCrum Don W RV-6: 1 caseAll aircraft: 9,295 casesProbable cause
Use of equip/info: use of equip/systemPersonnel issues › Task performance · PilotCrum Don W RV-6: 1 caseAll aircraft: 1,391 casesProbable cause
Runway/land/takeoff/taxi surface: soft surfaceEnvironmental issues › Physical environment · Effect on operationCrum Don W RV-6: 1 caseAll aircraft: 264 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 pilot of a tailwheel-equipped airplane reported that, while landing on a grass runway, he applied the brakes and retracted the flaps and that the airplane subsequently nosed over. The airplane sustained substantial damage to the left wing and vertical stabilizer. The pilot reported that there were no preaccident mechanical failures or malfunctions with the airplane that would have precluded normal operation.

Factual narrative

The pilot of a tailwheel-equipped airplane reported that, while landing on a grass runway, he applied the brakes and retracted the flaps, and the airplane nosed over. The airplane sustained substantial damaged to the left wing and vertical stabilizer. The pilot reported that there were no preaccident mechanical failures or malfunctions with the airplane that would have precluded normal operation.

Aircraft

Registration
N621L
Reported as
Vans RV 6 (Undesignat)
Category
Airplane, amateur-built
Serial number
60002
Built
2001
Airframe hours
563
Engine
Lycoming YO-360 EXP 57, 180 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Airworthiness certificate
Special, Experimental (Special)
Last inspection
Condition · April 19, 2019
Departed
OUN · Norman, OK
Destination
8OK6 · Chandler, OK
Airport
8OK6 · Grass Strip, runway 22, 2,000 × 30 ft, grass/turf
Equipment
ADS-B, Angle of attack indicator, Auto-pilot, Electronic primary flight display

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
60
Injuries
None
Certificates
Commercial, Flight instructor
Airplane ratings
Single-engine land, Multi-engine land
Instrument ratings
Airplane, Helicopter
Medical
Class 2, With waivers/limitations
Last flight review
October 26, 2018
Seat
Left
Restraint
4-point
Flight hours
2,670 total · 112 in this make and model · 2,004 as pilot in command · 84 in the last 90 days · 45 in the last 30 days · 5 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
160° at 5 knots
Visibility
10 statute miles
Lowest ceiling
None
Temperature
68 °F, dew point 45 °F
Altimeter
29.97 inHg
Observed at
KCQB, 6 nm away

Docket · 3

The files NTSB released with the investigation on May 15, 2019, on NTSB’s docket system: statements, records, photos and specialists’ reports. 6.0 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.