Incident Overview

Date: Thursday 10 May 1990
Aircraft Type: Fairchild F-27J
Owner/operator: Aviacsa, lsf Noroeste
Registration Number: F-GHXA
Location: 4,5 km S of Tuxtla Guti‚rrez Airport (TGZ) – ÿ Mexico
Phase of Flight: Approach
Status: Destroyed, written off
Casualties: Fatalities: 24 / Occupants: 40
Component Affected: Aircraft control system (specifically the approach and maneuver control systems).Aircraft control system (specifically the approach and maneuver control systems).
Investigating Agency: DGCA MexicoDGCA Mexico
Category: Accident
An Aviacsa F-27J crashed on final approach to Tuxtla Guti‚rrez Airport in Mexico, resulting in the survival of sixteen occupants. The aircraft executed a steep left-hand turn during approach, leading to loss of altitude and impact with the ground.An Aviacsa F-27J crashed on final approach to Tuxtla Guti‚rrez Airport in Mexico, resulting in the survival of sixteen occupants. The aircraft executed a steep left-hand turn during approach, leading to loss of altitude and impact with the ground.

Description

Aviacsa flight 100, a Fairchild F-27J, crashed on final approach to Tuxtla Guti‚rrez Airport in Mexico. Sixteen of the 40 occupants survived the accident. The aircraft took off from Tapachula at 08:10 hours. The flight proceeded normally and the first officer, who was the Pilot Flying, positioned the aircraft for an approach to runway 35. While fully configured for landing, the flight crew aborted the approach and performed a steep left-hand turn. The aircraft lost altitude and impacted the ground. The accident was attributed to a lack of co-ordination between the crew during the approach and their lack of experience on the type. PROBABLE CAUSE: “Entry into loss of lift, during a tight turning manoeuvre and not maintaining the minimum lift speed of the aircraft, being at a low height and in a landing configuration (extended wing flaps and landing gear), without applying the required power.”

Primary Cause

Lack of co-ordination between the crew during the approach and their lack of experience on the type, specifically due to a tight turning manoeuvre at a low height and in a landing configuration with extended wing flaps and landing gear, without applying the required power.Lack of co-ordination between the crew during the approach and their lack of experience on the type, specifically due to a tight turning manoeuvre at a low height and in a landing configuration with extended wing flaps and landing gear, without applying the required power.

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