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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

December 4, 1996 · Cessna 172M · N20024

Bethel, AK

Overview

Report Status
Final with probable cause
Event Type
Accident
Date
December 4, 1996
Injury Outcomes
No injuries (3 uninjured)
Location
Bethel, AK
Aircraft
Cessna 172M
Tail Number
N20024
Operator
Camai Air
Injuries
None
Aircraft Damage
Substantial
NTSB Number
ANC97LA010

The pilot and two passengers were departing on a cross-country on-demand charter flight. The airplane was 120 pounds below maximum gross weight. The pilot departed runway 11, but after lift off, the airplane would not climb. The airplane collided with snow covered tundra terrain about 1/8 mile from the departure end of the runway. The operator indicated the pilot and a mechanic passenger observed the airplane lights flicker on and off, and smelled an odor of overheated electrical wiring. An inspection of the airplane by the FAA did not reveal any mechanical malfunction. The wind conditions at the airport, from just before and just after the accident, varied from 300 to 312 degrees at 9 knots.

NTSB Probable Cause

the pilot's improper planning/decision, and resultant failure to obtain/maintain sufficient airspeed during takeoff. A factor related the accident was: taking off with a tailwind.

Full Narrative

On December 4, 1996, at 0954 Alaska standard time, a wheel equipped Cessna 172M, N20024, collided with terrain during takeoff from the Bethel Airport, Bethel, Alaska. The airplane was being operated as a visual flight rules (VFR) cross-country on-demand passenger flight to Napaskiak, Alaska, under Title 14 CFR Part 135 when the accident occurred. The airplane, registered to Village Aviation Inc., Bethel, and operated by Camai Air as flight number 24, sustained substantial damage. The certificated commercial pilot, and 2 passengers were not injured. Visual meteorological conditions prevailed. VFR company flight following procedures were in effect. The operator reported that the airplane departed runway 11. The airplane lifted off the ground but would not climb. The airplane collided with snow covered tundra terrain about 1/8 mile from the departure end of the runway. The airplane received damage to the landing gear, fuselage, and right wing. The operator indicated that the pilot and a mechanic passenger observed the airplane lights flicker on and off and smelled an odor of overheated electrical wiring. A Federal Aviation Administration (FAA) inspector examined the airplane at the accident site. No mechanical malfunction was noted. The FAA inspector reported the airplane was 120 pounds under maximum gross weight. The FAA also indicated the pilot reported rotating the airplane for takeoff at 60 to 65 MPH. The closest official weather observation station is Bethel, Alaska. At 0952, an aviation routine weather report (METAR) was reporting in part: Wind, 330 degrees (true) at 9 knots; visibility, 10 miles; sky condition and ceiling, few clouds at 5,000 feet, few clouds at 20,000 feet; temperature, -4 degrees F; dew point, -10 degrees F; altimeter, 29.10 inHg. At 1006, a special observation was reporting in part: Wind, 320 degrees (true) at 9 knots; visibility, 20 miles; sky condition and ceiling, few clouds at 5,000 feet, few clouds at 20,000 feet; temperature, -4 degrees F; dew point, -10 degrees F; altimeter, 29.10 inHg; remarks, aircraft mishap. At 0953, the automatic terminal information service (ATIS) for the Bethel airport was reporting, in part: "Bethel Tower information foxtrot, at 0854; wind, 300 at 9 knots; visibility, 10 miles; sky condition and ceiling, few clouds at 5,000 feet; temperature, -20 C; dew point temperature, -24 C; altimeter, 29.08 inHg..."

Flight

Event TypeAccident
Event Time04:54 AKST
Nearest AirportBETHEL (1nm ESE)
Runway11
Runway Length1850 ft
Runway Width75 ft
Flight Plan FiledCvfr
Aircraft FireNo
Aircraft ExplosionNo

Aircraft

AircraftCessna 172M
Tail NumberN20024
Aircraft CategoryAir
DamageSubstantial
OperatorCamai Air
Operating RulePart 135
Engines1
Engine TypeReciprocating
Engine DetailsLycoming · O-320-E2D · Reciprocating · 150
Seats4

People & Injuries

Injury SummaryNo injuries (3 uninjured)
Fatal0
Serious0
Minor0
Uninjured3
Total3
Crew 1Age 39 · Second Class

Conditions

ConditionsVMC
LightDaylight
Wind330° @ 9 kt
Visibility10 sm
CeilingNone
Temperature / Dew Point-4 C / 0 C
Altimeter29.00 inHg
Observation Time13:52
Weather SourceWFAC

Appendix: Source Data