FTW95LA240

NTSB accident investigation · Ayres S2R-T34 · Iowa, LA · June 14, 1995

Accident · No injuriesLimited investigationFinal report
Date
June 14, 1995, 10:00 local (15:00 UTC)
Place
Iowa, LA
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Landing
Aircraft
N627LLAyres S2R-T34
Weather
Visual (VMC) · Day
Status
Completed · report December 19, 1995
Report
Approved by Office Director
FAA report
19950614049189A
Case key
19450

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 failure of the right brake due to the hydraulic fluid leaking. Factors were proper alignment not possible and the close proximity of the ditch.

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.

Airframe/component/system failure/malfunctionLanding - roll
Landing gear,normal brake system - malfunction
Landing gear,normal brake system - leakCause
Proper alignment - not possiblePilot in commandFactor
On ground/water encounter with terrain/waterLanding - roll
Terrain condition - ditchFactor

Analysis

During the landing roll, the airplane departed the left side of the grass airstrip, rolled through a drainage ditch and came to rest in a field. The pilot examined the brakes and stated that brake fluid had leaked from the brake piston 'o' ring.

Factual narrative

On June 14, 1995, at 1000 central daylight time, an Ayres S2R-T34, N627LL, was substantially damaged during landing near Iowa, Louisiana. The commercial pilot was not injured. Visual meteorological conditions prevailed for the local aerial application flight operated by Deep South Flying Service, Inc., under Title 14 CFR Part 137. The flight originated at 0950 and a flight plan was not filed.

During a telephone interview, conducted by the investigator-in- charge, the pilot reported that the aerial application flight originated from a private grass airstrip. A drainage ditch approximately 18 feet wide and 4 feet deep was located along the west side of the airstrip. While landing to the north, the right brake malfunctioned during the landing roll. Subsequently, the airplane departed the left side of the airstrip, rolled through the drainage ditch and came to rest in a field. The pilot examined the brakes and stated that brake fluid leaked from the brake piston "O" ring.

The Federal Aviation Administration (FAA) inspector examined the airplane and reported damage to the left wing spar and stringers. He further reported damage to the empennage tubing, engine, and propeller.

Aircraft

Registration
N627LL
Reported as
Ayres S2R-T34
Category
Airplane
Serial number
T41-158
Engine
P&W PT6A-41, 850 horsepower, turbo prop
Damage
Substantial damage
Flight
Aerial application · Part 137
Registered owner
Deep South Flying Service, Inc
Airworthiness certificate
Special, Restricted (Special)
Airport
NONE · Mccown Strip, runway 36, 2,300 × 60 ft, grass/turf

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
44
Certificate
Commercial
Airplane ratings
Single-engine land
Medical
Class 2, Valid Medical--no waivers/lim.
Seat
Center
Flight hours
15,000 total · 500 in this make and model · 500 in the last 90 days · 150 in the last 30 days · 1 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Visibility
15 statute miles
Lowest ceiling
None
Temperature
84 °F

FAA reports on this event · 1

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