Hamlet, Oliver E. D.Irwin, AmyFlin, RhonaSedlar, Nejc2023-04-062023-04-062023Hamlet, O E D, Irwin, A, Flin, R & Sedlar, N 2023, 'The development of the Helicopter Non-Technical Skills (HeliNOTS) behavioural marker systems', Ergonomics, vol. 66, no. 12, pp. 2232-2241. https://doi.org/10.1080/00140139.2023.21945910014-0139ORCID: /0000-0002-9218-7217/work/175583293https://hdl.handle.net/2164/20434Open Access via the T&F Agreement Acknowledgements The authors would like to thank all of the pilots, technical crew personnel, CRM trainers, and aviation consultants for taking the time to participate in this study. Funding This research was collaboratively funded by the ESRC and Bristow Helicopters [grant number: ES/P000681/1].101018481engtraining evaluationcrew resource managementpilot/crew behaviourpilot decision makingsituation awarenessBF PsychologyEconomic and Social Research Council (ESRC)ES/P000681/1BFJournal article10.1080/00140139.2023.2194591https://www.scopus.com/pages/publications/85152035554