AIRCRAFT ACCIDENT REPORT 4/2004 Department for Transport Report on the accident to Fokker F27 Mk 500 Friendship, G-CEXF At Jersey Airport, Channel Islands on 5 June 2001 AIRCRAFT ACCIDENT REPORT 4/2004 Air Accidents Investigation Branch Department for Transport Report on the accident to Fokker F27 Mk 500 Friendship, G-CEXF At Jersey Airport, Channel Islands on 5 June 2001 This investigation was carried out in accordance with The Civil Aviation (Investigation of Air Accidents and Incidents) Regulations 1996 © Crown Copyright 2004 Published with the permission of the Department for Transport (Air Accidents Investigation Branch). This report contains facts which have been determined up to the time of publication. This information is published to inform the aviation industry and the public of the general circumstances of accidents and serious incidents. Extracts can be published without specific permission providing that the source is duly acknowledged. Published 9 July 2004. Produced from camera ready copy supplied by the Air Accidents Investigation Branch. Printed in the United Kingdom for the Air Accidents Investigation Branch RECENT AIRCRAFT ACCIDENT AND INCIDENT REPORTS ISSUED BY THE AIR ACCIDENTS INVESTIGATION BRANCH THE FOLLOWING REPORTS ARE AVAILABLE ON THE INTERNET AT http://www.aaib.gov.uk 1/2003 Hughes 269C, G-ZAPS February 2003 at Hare Hatch, near Twyford, Berkshire on 8 March 2000 2/2003 Shorts SD3-60, G-BNMT April 2003 near Edinburgh Airport on 27 February 2001 3/2003 Boeing 747-2B5F, HL-7451 July 2003 near London Stansted Airport on 22 December 1999 4/2003 McDonnell-Douglas MD-80, EC-FXI November 2003 at Liverpool Airport on 10 May 2001 1/2004 BAe 146, G-JEAK February 2004 during descent into Birmingham Airport on 5 November 2000 2/2004 Sikorsky S-61N, G-BBHM April 2004 at Poole, Dorset on 15 July 2002 3/2004 AS332L Super Puma, G-BKZE June 2004 on-board the West Navion Drilling Ship, 80 nm to the west of the Shetland Islands on 12 November 2001 (iii) Department for Transport Air Accidents Investigation Branch Berkshire Copse Road Aldershot Hampshire GU11 2HH June 2004 The Right Honourable Alistair Darling Secretary of State for Transport Dear Secretary of State I have the honour to submit the report by Mr P T Claiden, an Inspector of Air Accidents, on the circumstances of the accident to Fokker F27 Mk 500 Friendship, G-CEXF, which occurred at Jersey Airport, Channel Islands on 5 June 2001. Yours sincerely Ken Smart Chief Inspector of Air Accidents (iv) Contents Glossary of abbreviations used in this report ...................................................................(ix) Synopsis .................................................................................................................................. 1 1. Factual Information ...................................................................................................... 4 1.1 History of the flight .................................................................................................. 4 1.2 Injuries to persons .................................................................................................... 5 1.3 Damage to aircraft.................................................................................................... 5 1.4 Other damage ........................................................................................................... 5 1.5 Personnel information .............................................................................................. 6 1.5.1 Commander................................................................................................. 6 1.5.2 First Officer................................................................................................ 6 1.6 Aircraft information ................................................................................................. 7 1.6.1 General information.................................................................................... 7 1.6.2 Aircraft weights.......................................................................................... 7 1.6.3 Aircraft Description.................................................................................... 7 1.6.3.1 General .................................................................................... 7 1.6.3.2 Flight controls......................................................................... 8 1.6.3.3 Powerplant............................................................................... 8 1.6.3.4 Fuel System............................................................................. 8 1.6.3.5 Engine bay fire detection system ............................................ 9 1.6.3.6 Engine bay fire suppression system ........................................ 9 1.6.4 Engine Description................................................................................... 10 1.6.4.1 General .................................................................................. 10 1.6.4.2 Combustors............................................................................ 11 1.6.4.3 Burners .................................................................................. 11 1.6.4.4 Turbine Assembly ................................................................. 11 1.6.4.5 Turbine Blades...................................................................... 12 1.6.4.6 HPT Disc................................................................................12 1.7 Meteorological information.................................................................................... 13 1.8 Aids to navigation .................................................................................................. 13 1.9 Communications..................................................................................................... 14 (v) 1.10 Aerodrome information.......................................................................................... 14 1.11 Flight Recorders..................................................................................................... 14 1.11.1 Cockpit Voice Recorder (CVR) ............................................................... 14 1.11.2 Flight Data Recorder (FDR)..................................................................... 14 1.12 Aircraft and site examination ................................................................................. 15 1.12.1 General...................................................................................................... 15 1.12.2 Aircraft Examination ................................................................................ 15 1.12.3 Accident Site............................................................................................. 16 1.12.4 Nacelle ...................................................................................................... 16 1.12.5 Powerplant ................................................................................................ 16 1.12.5.1 HPT disc................................................................................ 17 1.12.5.2 Combustors............................................................................ 19 1.12.5.3 Fuel Burners .......................................................................... 19 1.13 Medical and pathological information ................................................................... 20 1.14 Fire ......................................................................................................................... 20 1.15 Survival aspects...................................................................................................... 20 1.16 Tests and research .................................................................................................. 20 1.17 Organisational and management information ........................................................ 21 1.18 Additional information........................................................................................... 22 1.18.1 Engine History.......................................................................................... 22 1.18.2 Component Lives...................................................................................... 23 1.18.3 HPT disc................................................................................................... 23 1.18.3.1 HPT disc history.................................................................... 23 1.18.3.2 Disc Crack Inspection Criteria .............................................. 23 1.18.3.3 HPT Disc Environment ......................................................... 23 1.18.3.4 Disc Life................................................................................ 24 1.18.3.5 Steady Stresses...................................................................... 26 1.18.3.6 Vibratory Characteristics...................................................... 26 1.18.3.7 Pre G-OJEM situation ........................................................... 27 1.18.3.8 Post G-OJEM situation.......................................................... 28 1.18.3.9 Test Data - Pre G-CEXF Accident........................................ 30 1.18.3.10 HPT to IPT disc seal arm abutment ...................................... 31 1.18.4 Other Dart HPT Disc Failures .................................................................. 32 1.18.4.1 General .................................................................................. 32 (vi) 1.18.4.2 Rim Failures.........................................................................