SEA00LA088

NTSB accident investigation · Avions Mudry et Cie CAP 231 · Ephrata, WA · May 20, 2000

Accident · Minor injuriesLimited investigationFinal report
Date
May 20, 2000, 14:15 local (21:15 UTC)
Place
Ephrata, WA
Injuries
1 minor
Damage
Substantial damage
Phase of flight
Takeoff
Aircraft
N231XAvions Mudry et Cie CAP 231
Weather
Visual (VMC) · Day
Status
Completed · report May 18, 2001
Report
Approved by Office Director
FAA report
20000520006439A
Case key
49254

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 aircraft control subsequent to the aircraft's canopy opening in flight. Factors include the pilot's failure confirm that the aircraft's canopy was secured prior to takeoff and impaired vision.

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.

Miscellaneous/otherTakeoff
Window,canopy - not securedFactor
Hard landingTakeoff - aborted
Aircraft control - not maintainedPilot in commandCause
Physical impairmentPilot in commandFactor

Analysis

The pilot reported that shortly after becoming airborne (30-40 feet above ground level [AGL]), the aircraft's canopy blew opened. He reported that when the canopy opened, a blast of air blew off his left contact lens obscuring his vision and depth perception. After unsuccessful attempts to latch the canopy, the pilot closed the throttle and aborted the takeoff. When the airplane touched down, on the runway, it bounced back into the air. The pilot applied full power and initiated a go-around. He reported that after initiating the go-around, he turned the airplane to the south in an attempt to land on runway 11. However, the pilot was unable to maintain altitude, as a result of damage sustained to the propeller during the bounced landing, and the airplane subsequently collided with terrain. Post-accident inspection of the airplane by an FAA inspector from the Spokane, Washington, Flight Standards District Office, and the airplane owner, revealed that the canopy latch functioned properly. The pilot later stated that he could not confirm that the canopy was latched properly prior to the accident flight.

Factual narrative

On May 20, 2000, about 1415 Pacific daylight time, an Avions Mudry et Cie, Cap 231, N231X, was substantially damaged after an aborted takeoff from Ephrata Municipal Airport (EPH), Ephrata, Washington. The aircraft was being operated under Title 14 CFR 91 when the accident occurred. The private pilot, the sole occupant of the aircraft, received minor injuries. Visual meteorological conditions prevailed and no flight plan was filed for the local flight. There was no fire and no report of ELT activation.

The pilot reported that shortly after becoming airborne (30-40 feet above ground level [AGL]), the aircraft's canopy blew opened. He reported that when the canopy opened, a blast of air blew off his left contact lens obscuring his vision and depth perception. After unsuccessful attempts to latch the canopy, the pilot closed the throttle and aborted the takeoff. When the airplane touched down, on the runway, it bounced back into the air. The pilot applied full power and initiated a go-around. He reported that after initiating the go-around, he turned the airplane to the south in an attempt to land on runway 11. However, the pilot was unable to maintain altitude, as a result of damage sustained to the propeller during the bounced landing, and the airplane subsequently collided with terrain beyond the departure end of the runway. The aircraft sustained substantial damage to the right wing and fuselage during the accident sequence.

Post-accident inspection of the airplane by an FAA inspector from the Spokane, Washington, Flight Standards District Office, and the airplane owner, revealed that the canopy latch functioned properly. The pilot later stated that he could not confirm that the canopy was latched properly prior to the accident flight.

Aircraft

Registration
N231X
Reported as
Avions Mudry et Cie CAP 231
Category
Airplane
Serial number
12
Airframe hours
843
Engine
Lycoming AEIO-540-L185, 300 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Operator
Norman R. Willis
Registered owner
All Attitude Aviation, Inc.
Airworthiness certificate
Special, Experimental (Special)
Last inspection
Annual · November 14, 1999 · 43 hours before
Departed
EPH
Airport
EPH · Ephrata Municipal, runway 11, 3,843 × 150 ft, asphalt

Flight crew

As NTSB recorded them. NTSB leaves out names.

Role
Pilot
Age
55
Certificate
Private
Airplane ratings
Multi-engine land, Single-engine sea, Single-engine land
Medical
Class 2, Valid Medical--w/ waivers/lim
Seat
Front
Flight hours
1,859 total · 1,701 as pilot in command · 27 in the last 90 days · 14 in the last 30 days

Weather

Conditions
Visual (VMC) · Day
Wind
210° at 11 knots
Visibility
20 statute miles
Lowest ceiling
18,000 ft broken
Temperature
79 °F, dew point 30 °F
Altimeter
30.00 inHg
Observed at
EPH, 1 nm away

FAA reports on this event · 1

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