Incident Overview

Date: Wednesday 30 September 1998
Aircraft Type: Lockheed L-1011-385-1 TriStar 1
Owner/operator: Caledonian Airways
Registration Number: TF-ABT
Location: London Gatwick Airport (LGW/EGKK) – ÿ United Kingdom
Phase of Flight: Initial climb
Status: Substantial
Casualties: Fatalities: 0 / Occupants: 303
Component Affected: Environmental Control System (ECS) bay door, ducting to No 1 engine, No 1 engine and nacelle.Environmental Control System (ECS) bay door, ducting to No 1 engine, No 1 engine and nacelle.
Investigating Agency: AAIBAAIB
Category: Accident
A charter flight from London Gatwick to Venice experienced a significant incident due to a sudden engine failure during initial climb. The aircraft, operating with reduced thrust and an uninitialized aircraft control system, suffered a loss of the left Environmental Control System (ECS) bay door, structural damage to the door aperture, and failure of ducting to the No 1 engine. The pilot initiated an emergency landing, jettisoning fuel and returning to Gatwick. The incident involved a critical engine failure, leading to a vibration warning and subsequent shutdown of the engine, ultimately resulting in a loss of functionality and damage to the aircraft.A charter flight from London Gatwick to Venice experienced a significant incident due to a sudden engine failure during initial climb. The aircraft, operating with reduced thrust and an uninitialized aircraft control system, suffered a loss of the left Environmental Control System (ECS) bay door, structural damage to the door aperture, and failure of ducting to the No 1 engine. The pilot initiated an emergency landing, jettisoning fuel and returning to Gatwick. The incident involved a critical engine failure, leading to a vibration warning and subsequent shutdown of the engine, ultimately resulting in a loss of functionality and damage to the aircraft.

Description

Substantially damaged during initial climb out from London Gatwick Airport. No injuries to the 303 persons on board (crew of 14 plus 289 passengers). According to the following excerpt from the official AAIB report into the accident: ” The aircraft was wet leased to the airline whose paint scheme adorned the exterior. It was operating a charter flight service and took off from Gatwick’s Runway 26L at 12:58 hours bound for Venice. The take off was carried out with reduced thrust and, following the normal procedures, No 2 air conditioning pack was ON for take off. Numbers 1 and 3 air conditioning packs were selected ON at gear retraction and 600 feet agl respectively. On climbing through 1,000 feet the crew were given an easterly radar vector and cleared to climb. Soon after passing through approximately FL 80 at 250 KIAS with the commander handling there was a loud bang accompanied by a yaw to the left and a nose-down trim change. All three flight deck crew members were immediately aware that an engine had failed and the vibration warning for No 1 engine illuminated. The commander diagnosed severe damage to the No 1 engine and ordered the first officer and flight engineer to shut it down. They carried out the immediate action drills of closing the thrust lever, selecting the engine fuel/ignition switch to OFF and pulling the engine fire handle. The flight engineer then reached for the emergency checklist and began reading the remainder of the procedure. The first pertinent item was to select a hydraulic power transfer unit (PTU) to ON. As he looked up at the hydraulic system panel he noticed a warning light had illuminated on the adjacent engine bleed control panel. The warning was the ‘AREA A OVERHEAT’ light. The flight engineer selected the No 1 pack (ie the No 1 unit of the ECS) to OFF whereupon the light extinguished. He and the first officer then continued with the remainder of the engine shutdown drill. On completion of the drill the airframe vibration had diminished but the engine was still making an unusual rattling noise, and it continued to do so throughout the remainder of the flight. The commander decided to jettison fuel and return to Gatwick. He declared an emergency and approximately 15,000 lb of fuel was jettisoned at FL 120 before the aircraft was radar vectored for a two-engined ILS approach and landing on Runway 26L. The approach and landing were without further incident and the aircraft landed at 1323 hrs with the emergency services at local standby. The aircraft was inspected by the fire service who reported that a panel near the nose landing gear was missing. The aircraft was taxied to a suitable stand where the passengers were disembarked in the normal manner via the jetway.” Damage sustained to airframe: Per the AAIB report “Loss of left Environmental Control System (ECS) bay door, structural damage to door aperture, failure of ducting to No 1 ECS, substantial damage to No 1 engine and nacelle”

Source of Information

https://assets.publishing.service.gov.uk/media/5422ef4240f0b61342000233/dft_avsafety_pdf_501428.pdf, http://www.airfleets.net/ficheapp/plane-l10-1231.htm, https://www.planespotters.net/photo/103618/tf-abt-air-atlanta-icelandic-lockheed-l-1011-385-1-tristar-1, https://commons.wikimedia.org/wiki/File%3ALockheed_L-1011-385-1-15_TriStar_100%2C_Caledonian_Airways_(Air_Atlanta_Icelandic)_AN0377917.jpghttps://assets.publishing.service.gov.uk/media/5422ef4240f0b61342000233/dft_avsafety_pdf_501428.pdf, http://www.airfleets.net/ficheapp/plane-l10-1231.htm, https://www.planespotters.net/photo/103618/tf-abt-air-atlanta-icelandic-lockheed-l-1011-385-1-tristar-1, https://commons.wikimedia.org/wiki/File%3ALockheed_L-1011-385-1-15_TriStar_100%2C_Caledonian_Airways_(Air_Atlanta_Icelandic)_AN0377917.jpg

Primary Cause

Engine failure during initial climb and subsequent emergency landing.Engine failure during initial climb and subsequent emergency landing.

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