Incident Overview

Date: Saturday 26 January 1974
Aircraft Type: Fokker F-28 Fellowship 1000
Owner/operator: Trk Hava Yollari – THY
Registration Number: TC-JAO
Location: Izmir-Cumaovasi Airport (ADB) – ÿ Trkiye
Phase of Flight: Take off
Status: Destroyed, written off
Casualties: Fatalities: 66 / Occupants: 73
Component Affected: Fokker F-28 FellowshipFokker F-28 Fellowship
Category: Accident
A Fokker F-28 Fellowship, THY flight 301, crashed following a loss of control during takeoff from Izmir-Cumaovasi Airport, Trkiye. Six passengers and seven survivors were killed. The aircraft yawed left and pitched nose-down, striking a drainage ditch, causing disintegration and fire. The aircraft reached a speed of 133 knots before dropping to 124 knots, resulting in a leftward veering. The flight data recorder indicates the aircraft became airborne after a 975m ground roll, and reached 124 knots. Probable cause is stall on takeoff due to over rotation and frost accretion on the wings.A Fokker F-28 Fellowship, THY flight 301, crashed following a loss of control during takeoff from Izmir-Cumaovasi Airport, Trkiye. Six passengers and seven survivors were killed. The aircraft yawed left and pitched nose-down, striking a drainage ditch, causing disintegration and fire. The aircraft reached a speed of 133 knots before dropping to 124 knots, resulting in a leftward veering. The flight data recorder indicates the aircraft became airborne after a 975m ground roll, and reached 124 knots. Probable cause is stall on takeoff due to over rotation and frost accretion on the wings.

Description

THY flight 301, a Fokker F-28 Fellowship, crashed following a loss of control on takeoff from Izmir-Cumaovasi Airport, Trkiye, killing 66 occupants; 7 survived the accident. The Fokker aircraft became airborne after a ground run on runway 35 of approx. 3200 feet. At a height of 8-10 m the aircraft suddenly yawed left and pitched nose-down. The aircraft contacted the ground again and struck a drainage ditch, skidded, disintegrated and caught fire. With the conditions at the time of takeoff, the aircraft should have reached rotation speed after a ground roll of 850 m(2800 feet). From the flight data recorder it was determined that the aircraft became airborne at 124 knots after a 975 m (3200-foot) roll . The speed increased to 133 knots and then dropped to 124 knots, and the aircraft veered left. PROBABLE CAUSE: “The aircraft stalled on takeoff due to over rotation and frost accretion on the wings.”

Primary Cause

Stall on takeoff due to over rotation and frost accretion on the wings.Stall on takeoff due to over rotation and frost accretion on the wings.

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