Incident Overview

Date: Monday 19 October 1987
Aircraft Type: Beechcraft B200 Super King Air
Owner/operator: Artix
Registration Number: G-MDJI
Location: 3,4 km NNW of Leeds/Bradford Airport (LBA) – ÿ United Kingdom
Phase of Flight: Approach
Status: Destroyed, written off
Casualties: Fatalities: 1 / Occupants: 1
Component Affected: Aircraft Control SystemAircraft Control System
Category: Accident
A small aircraft experienced a loss of control during a localizer approach to runway 14 at Leeds/Bradford Airport. The aircraft was descending at a 3.5ø angle, which was significantly lower than the standard 3ø approach. This resulted in ground contact with the terrain.A small aircraft experienced a loss of control during a localizer approach to runway 14 at Leeds/Bradford Airport. The aircraft was descending at a 3.5ø angle, which was significantly lower than the standard 3ø approach. This resulted in ground contact with the terrain.

Description

Crashed into hilltop while on a localizer-DME approach to runway 14 at Leeds/Bradford Airport (LBA) in low cloud conditions. The laid down descent angle for a Localiser/DME approach to runway 14 at Leeds/Bradford Airport is 3.5ø. Whereas a standard 3 degree descent angle can readily be calculated and flown by a pilot using a formula of 300 feet per nautical mile, it is more difficult, particularly in single pilot operations, to calculate and achieve a 3.5ø descent. An aircraft on a 3.5ø approach angle, on a pressure setting of 998 mb, would pass approximately 100 feet above the accident site but, a 3ø approach would result in ground contact in the area of the site.

Source of Information

http://www.aaib.gov.uk/cms_resources.cfm?file=/Beech%20Aircraft%20Corporation%20B%20200%20Super%20King%20Air,%20G-MDJI%2001-88.pdfhttp://www.aaib.gov.uk/cms_resources.cfm?file=/Beech%20Aircraft%20Corporation%20B%20200%20Super%20King%20Air,%20G-MDJI%2001-88.pdf

Primary Cause

Incorrect descent angle calculation and lack of sufficient situational awareness leading to loss of control.Incorrect descent angle calculation and lack of sufficient situational awareness leading to loss of control.

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