ANC00LA129

NTSB accident investigation · Aeronca 15AC · Anchorage, AK · September 21, 2000

Accident · No injuriesLimited investigationFinal report
Date
September 21, 2000, 15:15 local (23:15 UTC)
Place
Anchorage, AK
Injuries
1 uninjured
Damage
Substantial damage
Phase of flight
Taxi
Aircraft
N1455HAeronca 15AC
Weather
Visual (VMC) · Day
Status
Completed · report July 10, 2001
Report
Approved by Office Director
NTSB office
Alaska Regional Office
FAA report
20000921041719A
Case key
50996

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 inadequate compensation for high, gusty wind conditions during water taxi. Factors associated with the accident are high and gusty wind conditions.

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.

On ground/water encounter with weatherTaxi - from landing
Weather condition - high windFactor
Weather condition - gustsFactor
Compensation for wind conditions - inadequatePilot in commandCause
Nose downTaxi - from landing

Analysis

The pilot was taxiing the float-equipped airplane to parking after landing at a dedicated seaplane base. While turning, a strong, gusty wind pushed the airplane nose down into the water, and the airplane collided with a dock.

Factual narrative

On September 21, 2000, at 1515 Alaska daylight time, an Aeronca 15AC airplane, N1455H, sustained substantial damage when it nosed down during taxi from landing at the Lake Hood Seaplane base, Anchorage, Alaska. The private pilot was not injured. The personal flight was conducted under 14 CFR Part 91. Visual meteorological conditions prevailed at the time of the accident, and no flight plan was filed.

The pilot reported that after landing on the southeast waterway, he made a 90-degree turn to the left. During the turn, a gust of wind nosed the airplane down, and it collided with a dock. The airplane sustained substantial damage to the right wing spar, rudder assembly, aileron, and windshield.

The 1453 ADT hourly weather observation taken at the Ted Stevens-Anchorage International Airport, located one-half mile west of the accident site, reported winds from 150 degrees at 27 knots, gusting to 38 knots.

Aircraft

Registration
N1455H
Reported as
Aeronca 15AC
Category
Airplane
Serial number
525
Airframe hours
3,508
Engine
Lycoming O-360-A1A, 180 horsepower, reciprocating
Damage
Substantial damage
Flight
Personal · Part 91
Registered owner
Walter F. Kephart
Airworthiness certificate
Standard, Normal
Last inspection
Annual · June 15, 2000 · 47 hours before
Destination
LHD
Flight plan
Unknown
Airport
LHD · Lake Hood Seaplane

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
57
Certificate
Private
Airplane ratings
Single-engine land, Single-engine sea
Medical
Class 3, Valid Medical--w/ waivers/lim
Seat
Left
Flight hours
1,914 total · 1,858 in this make and model · 1,808 as pilot in command · 54 in the last 90 days · 12 in the last 30 days · 1 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Wind
150° at 27 knots, gusting 38
Visibility
10 statute miles
Lowest ceiling
6,500 ft overcast
Temperature
61 °F, dew point 45 °F
Altimeter
29.00 inHg
Observed at
ANC

FAA reports on this event · 1

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