LAX04CA154

NTSB accident investigation · Ayres S-2R · Los Banos, CA · March 12, 2004

Accident · Minor injuriesData collectionFinal report
Date
March 11, 2004, 18:00 local (Mar 12, 2004, 02:00 UTC)
Place
Los Banos, CA
Injuries
1 minor
Damage
Substantial damage
Phase of flight
Takeoff
Aircraft
N8930QAyres S-2R
Weather
Visual (VMC) · Dusk
Status
Completed · report June 2, 2004
Report
Approved by Office Director
Parties
Federal Aviation Administration
FAA report
20040311003659A
Case key
58894

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 failure to maintain proper runway alignment due to visual restrictions from the light condition, resulting in a nose over. Factors in the accident were the dusk light conditions and sun glare.

Sequence of events

NTSB’s coding before 2008: each occurrence and phase of flight, and the causes and factors under it. The codes are defined in NTSB’s coding manual.

Loss of control - on ground/waterTakeoff - roll/run
Light condition - duskFactor
Visual lookout - restrictedPilot in command(cfi)Cause
Light condition - sunglareFactor
Proper alignment - not maintainedPilot in command(cfi)Cause
Nose overTakeoff - roll/run
Terrain condition - soft

Analysis

The airplane veered off the runway and nosed over while attempting to takeoff in a westerly direction, during dusk. While on takeoff roll, the pilot's visibility was limited due to sun glare. He lost visual reference to the runway and veered off the pavement to the left. The airplane continued off the runway and encountered soft terrain. The left main landing gear sank, and the airplane nosed over, coming to rest inverted. The pilot reported no preimpact mechanical malfunctions or failures with the airplane.

Factual narrative

On March 11, 2004, about 1800 Pacific standard time, an Ayres Thrush S-2R, N8930Q, veered off the runway and nosed over while attempting to takeoff at a private dirt strip near Los Banos, California. T-Craft, Inc., was operating the airplane under the provisions of 14 CFR Part 137 as a local aerial application flight. The commercial pilot, the sole occupant, was not injured; the airplane sustained substantial damage. Visual meteorological conditions prevailed, and a flight plan had not been filed.

In a written statement, the pilot reported that he was attempting to depart the field in a westerly direction, during dusk. While on takeoff roll, his visibility was limited due to glare from the setting sun. The pilot lost visual reference to the runway and veered off the pavement to the left. The airplane continued off the runway and encountered soft terrain. The left main landing gear sank, and the airplane nosed over. The airplane came to rest inverted. The pilot stated that the accident could have been prevented if he had departed in an easterly direction. The airplane incurred damage to the wing tips and cockpit. The pilot reported no preimpact mechanical malfunctions or failures with the airplane.

Aircraft

Registration
N8930Q
Reported as
Ayres S-2R
Category
Airplane
Serial number
2443R
Engine
Pratt & Whitney R1340, reciprocating
Damage
Substantial damage
Flight
Aerial application · Part 137
Registered owner
T-Craft, Inc.
Airworthiness certificate
Special, Restricted (Special)
Departed
Los Banos, CA
Destination
Los Banos, CA
Airport
0 · Private Airstrip, runway 27, 2,640 × 60 ft, dirt

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
58
Injuries
Minor
Certificates
Flight instructor, Commercial
Airplane ratings
Single-engine land
Medical
Class 2
Flight hours
25,000 total · 15,000 in this make and model

Weather

Conditions
Visual (VMC) · Dusk

FAA reports on this event · 1

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

Other investigations on N8930Q · 1

Matched to the same aircraft by N-number and date.