Incident Overview

Date: Monday 27 May 1985
Aircraft Type: Lockheed L-1011-385-1 TriStar
Owner/operator: British Airtours
Registration Number: G-BBAI
Location: Leeds Bradford International Airport (LBA/EGNM) – ÿ United Kingdom
Phase of Flight: Landing
Status: Substantial, repaired
Casualties: Fatalities: 0 / Occupants: 412
Component Affected: Nose landing gear strut and wing-mounted enginesNose landing gear strut and wing-mounted engines
Investigating Agency: AIBAIB
Category: Accident
A British Airtour flight KT 101 experienced a significant overrun during landing at Palma Airport following a rain shower. The aircraft was evacuated due to minor injuries and damage to the underside of the fuselage. The nose landing gear strut folded backward, resulting in severe damage to the forward fuselage. Underside engine damage, including flattened wing-mounted engines, and deep troughs in the airfield lighting cables were observed. The accident report recommended a re-examination of runway performance and airfield surface condition.A British Airtour flight KT 101 experienced a significant overrun during landing at Palma Airport following a rain shower. The aircraft was evacuated due to minor injuries and damage to the underside of the fuselage. The nose landing gear strut folded backward, resulting in severe damage to the forward fuselage. Underside engine damage, including flattened wing-mounted engines, and deep troughs in the airfield lighting cables were observed. The accident report recommended a re-examination of runway performance and airfield surface condition.

Description

British Airtours Flight KT 101 overran the end of the runway surface on landing from Palma after a rain shower. The aircraft was evacuated, with only minor injuries sustained by the 14 crew and 398 passengers. The nose landing gear strut folded backwards during the overrun, leading to severe damage to the underside of the forward fuselage. The undersides of both wing-mounted engines were flattened and both engines suffered ingestion damage. The main wheels of the aircraft also dug deep troughs in the area, damaging the buried airfield lighting cables. The accident report concluded that the overrun was caused by the inability of the aircraft to achieve the appropriate level of braking effectiveness due to restricted thrust reverse options and recommended that both the scheduled wet runway performance of the TriStar and the condition of the surface of runway 14 at Leeds Bradford Airport should be re-examined.

Source of Information

http://www.aaib.gov.uk/cms_resources/2-1987%20G-BBAI.pdf, http://www.aaib.gov.uk/cms_resources/2-1987%20G-BBAI%20Append.pdf, https://cwsprduksumbraco.blob.core.windows.net/g-info/HistoricalLedger/G-BBAI.pdf, http://www.airfleets.net/ficheapp/plane-l10-1102.htm, https://magazines.airyorkshire.org.uk/AY%20May%201985.pdfhttp://www.aaib.gov.uk/cms_resources/2-1987%20G-BBAI.pdf, http://www.aaib.gov.uk/cms_resources/2-1987%20G-BBAI%20Append.pdf, https://cwsprduksumbraco.blob.core.windows.net/g-info/HistoricalLedger/G-BBAI.pdf, http://www.airfleets.net/ficheapp/plane-l10-1102.htm, https://magazines.airyorkshire.org.uk/AY%20May%201985.pdf

Primary Cause

Restricted thrust reverse options limited the aircraft’s braking effectiveness.Restricted thrust reverse options limited the aircraft’s braking effectiveness.

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