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Aviation safety reports, made easier to study

NTSB Reports is an independent research and search tool for public aviation accident and incident records. It brings NTSB aviation reports, structured fields, docket files, extracted figures, photos, videos, and update history into one searchable interface.

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NTSB Report

January 10, 1999 · Cessna 172 · N8373L

Bethel, AK

Overview

Report Status
Final with probable cause
Event Type
Accident
Date
January 10, 1999
Injury Outcomes
No injuries (1 uninjured)
Location
Bethel, AK
Aircraft
Cessna 172
Tail Number
N8373L
Injuries
None
Aircraft Damage
Substantial
NTSB Number
ANC99LA022

The certificated private pilot departed the accident airport under a special VFR clearance. The pilot reported that shortly after a northeasterly departure, severe icing conditions were encountered, and she elected to return to the Bethel airport. She said that forward visibility was restricted due to heavy ice build-up on the airplane's windscreen, requiring her to do a series of 'S' turns to find the airport. She reported that just prior to touchdown, the airplane stalled above the runway threshold, and landed hard in a nose low attitude. She stated, in part: 'I just got into icing conditions. That's what caused it.' The airplane sustained substantial damage to the wings, and fuselage. In her written statement to the NTSB, the pilot noted that her predeparture weather information was obtained from the Bethel automatic terminal information service (ATIS), and the recorded automated weather observation system (AWOS) message close to her intended destination.

NTSB Probable Cause

The pilot's attempted flight into adverse weather. Factors associated with the accident were the pilot's inadequate evaluation of the weather conditions, icing conditions, and an inadvertent stall.

Full Narrative

On January 10, 1999, about 1351 Alaska standard time, a wheel equipped Cessna 172 airplane, N8373L, sustained substantial damage while landing at the Bethel Airport, Bethel, Alaska. The airplane was being operated as a visual flight rules (VFR) local area flight under Title 14, CFR Part 91, when the accident occurred. The solo private pilot was not injured. Instrument meteorological conditions prevailed, and no flight plan was filed. The flight originated at the Bethel airport, about 1340. During a telephone conversation with the NTSB investigator-in-charge on January 10, the pilot stated that she had departed the accident airport under a special VFR clearance. The pilot reported that shortly after a northeasterly departure, severe icing conditions were encountered, and she elected to return to the Bethel airport. She said that forward visibility was restricted due to heavy ice build-up on the airplane's windscreen, requiring her to do a series of "S" turns to find the airport. She reported that just prior to touchdown, the airplane stalled above the runway threshold, and landed hard in a nose low attitude. She stated, in part: "I just got into icing conditions. That's what caused it." The airplane sustained substantial damage to the wings, and fuselage. The pilot noted that there were no preaccident mechanical anomalies with the airplane. The closest weather observation station is located in Bethel. On January 10, at 1353, an Aviation Routine Weather Report (METAR) was reporting in part: Wind, 060 degrees at 10 knots; visibility, 2 statute miles in light snow and mist; clouds, 600 feet broken, 1,700 feet overcast; temperature, 6 degrees F; dew point, 3 degrees F; altimeter, 29.99 inHg; remarks, ceiling variable between 500 feet and 1,000 feet. In her written statement to the NTSB, the pilot noted that her predeparture weather information was obtained from the Bethel automatic terminal information service (ATIS), and the recorded automated weather observation system (AWOS) message close to her intended destination.

Flight

Event TypeAccident
Event Time08:51 AKST
Nearest AirportBETHEL (0nm)
Runway36
Runway Length6398 ft
Runway Width150 ft
Flight Plan FiledNone
Aircraft FireNo
Aircraft ExplosionNo

Aircraft

AircraftCessna 172
Tail NumberN8373L
Aircraft CategoryAir
DamageSubstantial
Operating RulePart 91
Engines1
Engine TypeReciprocating
Engine DetailsLycoming · O320-E2D · Reciprocating · 150
Seats4

People & Injuries

Injury SummaryNo injuries (1 uninjured)
Fatal0
Serious0
Minor0
Uninjured1
Total1
Crew 1Age 25 · Third Class

Conditions

ConditionsIMC
LightDaylight
Wind60° @ 10 kt
Visibility2 sm
CeilingBroken clouds 600 ft
Temperature / Dew Point7 C / 3 C
Altimeter29.00 inHg
Observation Time17:55
Weather SourceWFAC

Appendix: Source Data