| 11 Oct 2020 | G-CIIR | CESSNA FRA 150L | Fatal accident at Troutbeck Airfield, Cumbria | Under Investigation |
| 23 Sep 2020 | G-EMEB | EC175B | Gearbox failure during maintenance ground run, Aberdeen Airport | Under Investigation |
| 08 Sep 2020 | G-OOBA EI-DPC G-GDFR | BOEING 757-28A BOEING 737-8AS BOEING 737-8Z9 | Large foreign object on runway during operations at Birmingham Airport | Under Investigation |
| 02 Sep 2020 | G-AWYI | REPLICA BE2C | Loss of control in the air at Sywell Aerodrome, Northamptonshire | Under Investigation |
| 26 Aug 2020 | G-CFST | SCHLEICHER ASH 25 E | Fatal accident, near Cheltenham, Gloucestershire | Under Investigation |
| 18 Aug 2020 | SE-MAO | BAE ATP | Control difficulties in flight, Guernsey, Channel Islands | Under Investigation |
| 04 Aug 2020 | G-INVN | HAWKER SEA FURY T MK.20 | Forced landing following engine failure, near Button End, Cambridgeshire | Under Investigation |
| 04 Aug 2020 | G-BUWK | RANS S6-116 | Fatal accident at Cross in Hand, Heathfield, East Sussex | Under Investigation |
| 24 Jun 2020 | N120HH | BELL 407 | Uncontained engine failure and fire, Long Marston, Warwickshire | Under Investigation |
| 30 May 2020 | G-OSUS | MOONEY M20K | Baggage door detachment in flight near Membury, Berkshire | Published 15 October 2020 |
| 22 May 2020 | SE-MAO | BAe ATP | Runway excursion, Birmingham Airport | Under Investigation |
| 23 Mar 2020 | G-KDEY | SCHEIBE SF25E | Crashed near aerodrome boundary during local flight, Aston Down, Gloucestershire | Under Investigation |
| 26 Feb 2020 | G-POWN* | AIRBUS A321-211 | Engine malfunction after takeoff from London Gatwick Airport | AAIB Special Bulletin S1/2020 published 21 April 2020 |
| 24 Dec 2019 | G-TAWG | BOEING 737-8K5 | Wheel separation on landing, Manchester Airport | Published 1 October 2020 |
| 15 Dec 2019 | G-BUDW | COLIBRI MB2 | Fatal accident at Spilsby, Lincolnshire | Published 1 October 2020 |
| 11 Dec 2019 | 9H-VJM | BOMBARDIER BD-700-1A10 GLOBAL 6000 | Runway excursion, Liverpool John Lennon Airport | Consultation Stage |
| 25 Nov 2019 | G-CBXJ | CESSNA 172S | Fatal accident near Puffin Island, Anglesey | Scheduled for publication 29 October 2020 |
| 14 Nov 2019 | G-FLBE | DHC-8-402 | Failure of left aileron cable, en route Newquay to London Heathrow | Published 15 October 2020 |
| 14 Oct 2019 | G-LAWX | SIKORSKY S-92A | High rate of descent on landing, Gloucestershire | Anniversary Statement published 14 October 2020 |
| 26 Aug 2019 | EC-KLT | AIRBUS A320-216 | Aircraft descended during go-around, Birmingham | Published 20 August 2020 |
| 24 Aug 2019 | G-ODDS | PITTS S-2A | Fatal accident at Stonor, Oxfordshire | Consultation Stage |
| 07 Aug 2019 | G-DEJH | SB-5E | Structural failure of glider tail assembly, Cross Fell, Pennines, Cumbria | Consultation Stage |
| 04 Jul 2019 | UAS | AIRSPEEDER | Loss of control at Goodwood Aerodrome, West Sussex | Under Investigation |
| 13 Apr 2019 | N680KH | CESSNA CITATION CJ1 | Un-commanded roll in flight on departure from Bournemouth Airport | Consultation Stage |
| 28 Feb 2019 | G-FBEJ | ERJ 190-200 LR | Emergency Evacuation, Exeter Airport | Published 17 September 2020 |
| 27 Oct 2018 | G-VSKP* | AGUSTA AW169 | Fatal accident near King Power Stadium, Leicester | Under Investigation |
