Transport Safety Investigations

Air, marine, and rail accident investigation reports from the UK's independent statutory investigation bodies. Reports identify causal factors and make safety recommendations to operators, regulators, and government.

13,026
Total Reports
11,337
AAIB (Air)
1,094
MAIB (Maritime)
595
RAIB (Rail)

Reports by Year

About These Bodies

AAIB Air Accidents Investigation Branch — independent civil aviation accident investigations
MAIB Marine Accident Investigation Branch — shipping and vessel accident investigations
RAIB Rail Accident Investigation Branch — railway accident and incident investigations
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Showing 1–41 of 41 reports matching "april" from RAIB

Safety digest 04/2025: Gartell Light Railway Rail Accident Investigation Branch
Person struck by train on Gartell Light Railway, Somerset, 17 April 2025.
22 Jul 2025 · Rail Accident Investigation Branch
Track worker near miss at Chiltern Green, between Harpenden and Luton, 23 April 2024.
17 Apr 2025 · Rail Accident Investigation Branch
Safety digest 06/2024: Kings Langley Rail Accident Investigation Branch
Collision between a train and an object left on the track at Kings Langley, Hertfordshire, 25 April 2024.
24 Jul 2024 · Rail Accident Investigation Branch
Trap and drag accidents at Archway and Chalk Farm stations, 18 February and 20 April 2023.
27 Jun 2024 · Rail Accident Investigation Branch
Pedestrian struck by a train at Lady Howard footpath and bridleway crossing, Surrey, 21 April 2022.
6 Feb 2024 · Rail Accident Investigation Branch
Report 06/2023: Train overspeeding at Spital Junction Rail Accident Investigation Branch
Train overspeeding at Spital Junction, Peterborough, 17 April 2022.
10 Jul 2023 · Rail Accident Investigation Branch
Track worker struck by train near Chalfont & Latimer station, Buckinghamshire, 15 April 2022.
15 May 2023 · Rail Accident Investigation Branch
Wrong side signalling failure and derailment at Dalwhinnie, Badenoch and Strathspey, 10 April 2021.
26 Sep 2022 · Rail Accident Investigation Branch
Report 03/2021: Track worker struck by train near Roade Rail Accident Investigation Branch
Track worker struck by train near Roade, Northamptonshire, 8 April 2020.
9 Jun 2021 · Rail Accident Investigation Branch
Report 02/2020: Runaway locomotive at Beddgelert Rail Accident Investigation Branch
RAIB has today released its report into a runaway locomotive at Beddgelert, North Wales, 16 April 2019.
6 Feb 2020 · Rail Accident Investigation Branch
Serious operational irregularity at Balham, 20 April 2019.
3 Feb 2020 · Rail Accident Investigation Branch
Safety digest 06/2019: Ynys Hir Rail Accident Investigation Branch
Narrowly avoided collision between a train and a track worker at Ynys Hir, Ceredigion, 2 April 2019.
30 Jul 2019 · Rail Accident Investigation Branch
Safety digest 04/2018: Bethnal Green Rail Accident Investigation Branch
Operational incident following signal passed at danger, Bethnal Green, 8 April 2018.
18 Jun 2018 · Rail Accident Investigation Branch
Safety digest 12/2017: Great Chesterford Rail Accident Investigation Branch
Near miss between Audley End and Great Chesterford, 21 April 2017.
9 Aug 2017 · Rail Accident Investigation Branch
Safety digest 10/2017: Preston Rail Accident Investigation Branch
Passenger train collision with buffer stop at Preston station, 1 April 2017.
21 Jun 2017 · Rail Accident Investigation Branch
Safety digest 09/2017: Ascot Rail Accident Investigation Branch
Near miss at Ascot, Berkshire, 7 April 2017.
20 Jun 2017 · Rail Accident Investigation Branch
Collision between a train and tractor at Hockham Road user worked crossing, Thetford on 10 April 2016.
14 Mar 2017 · Rail Accident Investigation Branch
Report 02/2017: Collision at Plymouth station Rail Accident Investigation Branch
Collision at Plymouth station on 3 April 2016.
13 Feb 2017 · Rail Accident Investigation Branch
Occupied wheelchair contacting a passing train at Twyford station, 7 April 2016.
19 Jan 2017 · Rail Accident Investigation Branch
Safety digest 04/2016: Maesyfelin bridge Rail Accident Investigation Branch
Near miss at Maesyfelin bridge, near Pontyclun, Rhondda Cynon Taf, 8 April 2016
16 Sep 2016 · Rail Accident Investigation Branch
Serious accident as a passenger left a train and became trapped in the train doors at West Wickham station 10 April 2015.
29 Feb 2016 · Rail Accident Investigation Branch
Report 11/2015: Derailment at Angerstein Junction Rail Accident Investigation Branch
Derailment of freight train at Angerstein Junction, 2 April 2014.
12 Aug 2015 · Rail Accident Investigation Branch
Bulletin 02/2012: Derailment at Clarborough tunnel Rail Accident Investigation Branch
Derailment at Clarborough tunnel, near Retford, Nottinghamshire, 27 April 2012.
10 Dec 2014 · Rail Accident Investigation Branch
Serious injury to a loader at Hoo Junction, Kent, 14 April 2010.
10 Dec 2014 · Rail Accident Investigation Branch
The blowback of a locomotive fire at Grosmont on the North Yorkshire Moors Railway, 16 April 2006.
10 Dec 2014 · Rail Accident Investigation Branch
Report 04/2008: Fatal accident, Ruscombe Junction Rail Accident Investigation Branch
Track worker fatality at Ruscombe Junction, Berkshire, 29 April 2007.
10 Dec 2014 · Rail Accident Investigation Branch
Partial failure of Bridge 94, near Bromsgrove, Worcestershire, 6 April 2011.
10 Dec 2014 · Rail Accident Investigation Branch
Tram running with doors open on London Tramlink, Croydon, 13 April 2013.
10 Dec 2014 · Rail Accident Investigation Branch
Uncontrolled movement of a road vehicle in a channel tunnel passenger shuttle train, 4 April 2008.
10 Dec 2014 · Rail Accident Investigation Branch
Report 10/2007: Traction control failure at Camden Road Rail Accident Investigation Branch
Signal passed at danger following traction control failure, Camden Road, 7 April 2006.
10 Dec 2014 · Rail Accident Investigation Branch
Detachment of a cardan shaft at Durham station, County Durham, 10 April 2011.
10 Dec 2014 · Rail Accident Investigation Branch
Runaway of a road rail vehicle and the resulting collision in Queen Street High Level Tunnel, Glasgow, 21 April 2013.
10 Dec 2014 · Rail Accident Investigation Branch
Report 16/2009: Derailment near Deptford Bridge station Rail Accident Investigation Branch
Derailment of a Docklands Light Railway train near Deptford Bridge station, London, 4 April 2008.
10 Dec 2014 · Rail Accident Investigation Branch
Report 16/2013: Signal passed at danger at Stafford Rail Accident Investigation Branch
Signal passed at danger at Stafford, 26 April 2012.
10 Dec 2014 · Rail Accident Investigation Branch
Unauthorised train movement at High Street Kensington, 29 April 2006.
10 Dec 2014 · Rail Accident Investigation Branch
Collapse of overhead line equipment near Jewellery Quarter tram stop, Midland Metro, 20 April 2011.
10 Dec 2014 · Rail Accident Investigation Branch
Report 24/2009: Freight train collision at Leigh-on-Sea Rail Accident Investigation Branch
Freight train collision at Leigh-on-Sea, 26 April 2008.
10 Dec 2014 · Rail Accident Investigation Branch
Derailment at Trooperslane near Carrickfergus, Northern Ireland, 23 April 2006.
10 Dec 2014 · Rail Accident Investigation Branch
Report 26/2012: Passenger incident at Jarrow station Rail Accident Investigation Branch
Person trapped in a train door and dragged at Jarrow station, Tyne and Wear Metro, 12 April 2012.
10 Dec 2014 · Rail Accident Investigation Branch
Accident at Moor Lane footpath level Crossing in Staines, Surrey, 16 April 2008.
10 Dec 2014 · Rail Accident Investigation Branch
Report 42/2007: Derailment at Cromore Rail Accident Investigation Branch
Derailment at Cromore in Antrim, Northern Ireland, 14 April 2007.
10 Dec 2014 · Rail Accident Investigation Branch