Occurrence investigator (OI) course and OI refresher course
This MilitarySTEP Aviation Authority Centre of Air Safety Training course enables delegates to carry out effective occurrenceOccurrence safetySafety investigations.Investigation (OSI) as per RA 1410: Occurrence Reporting and Management.
Documents
Details
CourseOccurrence aimInvestigator (OI) Course
OI Course Aim
Provide role-specific training for personnel undertaking OIOccurrence Investigations to enable delegates to:
- effectively gather and organise data (from various sources) and establish the facts surrounding an event; be able to state / identify what
happenedhappened. - successfully analyse why facts led to the occurrence; be able to articulate how it
happenedhappened. - effectively develop workable recommendations to prevent further occurrences; be able to construct recommendations that mitigate / prevent future
occurrencesoccurrences. - create a clear record of what happened, why it happened and how it can be prevented; utilising the
airsafetyinformationmanagementsystem(ASIMS)reportingtooltool.
Training is a blend of taught sessions, facilitated discussions and group exercises and is aimed at individuals who will undertake occurrence safety investigations (OSI).. The course is not required by those investigating, or managing, localLocal investigationInvestigation (as defined in RA 1410:1410 occurrence- reportingOccurrence Reporting and management).Management).
UK military personnel will be awarded the OI joint personnel administration (JPA) training record following successful completion of the course.
Units and duty holder organisations can directly purchase this and other safety management system training courses. MOD
OI
users can visit the safety training for error prevention (STEP) Defnet page for further information.
Applicability
For personnel undertaking the role of OI for an OSI. Please note that occurrenceOccurrence reviewReview groupGroup (ORG) members who want an awareness of the OI training should not apply for this course. Awareness of the OI training is provided by the updated ORG course.
The Refresher course has been withdrawn pending development work.
Contracted staff and overseas students who wish to attend an Airair Safetysafety Coursecourse will need to apply through their STEP point of contact.
OI Prerequisite
Personnel should have human factors and error management foundation level training as a minimum before attending the course. Understanding can be gained from accessing local awareness training at your unit / organisation delivered by human factors qualified facilitators or instructors.
Before attending OI training, successful applicants must complete the following pre-reading:
OI Duration
4 days
Location
A limited number of courses will be delivered at the Centre of Air Safety Training (CoAST,), Defence Academy, Eisenhower, Shrivenham but to satisfy overall requirements, this course can also be delivered locally. Please contact your local STEP point of contact orfor emailmore fordetails.
Contact
For more information email dsa-maacourses@mod.gov.uk foror moreyour detailsSTEP point of contact.
ApplicationOccurrence formInvestigator (OI) Refresher Course
This
OI Refresher Course
applicationAimform
BeforeUK applyingmilitary forpersonnel thiswill course,be pleaseawarded read the courseOI overview.Refresher JPA training record following successful completion of this course.
If you are eligibleaccepted to apply,participate/attend completea refresher please cancel any other OI course applications you have pending with the applicationCoAST formteam directly dsa-maacourses@mod.gov.uk or with your Command Group point of contact for locally-run OI courses.
Contracted staff and returnoverseas itstudents to dsa-maa-ast-training@mod.gov.uk withwho thewish to attend an air safety course titlewill asneed theto subjectapply title.through their STEP Point of Contact.
OI Refresher Course Applicability
ThePersonnel closingapplying dateto renew an OI qualification, and who have undertaken one or more OSI since last attending the OI course, should be eligible for applicationsthis isone-day 10OI weeksRefresher priorcourse. Courses may be run face to face or virtually.
For personnel undertaking the courserole startof dateOI andfor applicationsan receivedOSI. afterPlease thisnote datethat willORG members who want an awareness of the OI training should not beapply accepted.for this course. Awareness of the OI training is provided by the updated ORG course.
OnceRefresher received,courses applicationscan willalso be addedrun independently from CoAST – please contact you relevant point of contact for more information.
OI Refresher Course Prerequisite
Personnel should have attended to full OI course within the waitlistpast 3 years. Personnel should have human factors and scrutinisederror approximatelymanagement 9foundation weekslevel training as a minimum before attending the course. AllUnderstanding candidatescan will be notifiedgained offrom theaccessing outcomelocal withawareness successfultraining candidatesat receivingyour joiningunit instructions/ approximatelyorganisation 6delivered weeksby priorhuman tofactors qualified facilitators or instructors.
Before attending OI training, successful applicants must complete the course.following pre-reading:
OI Refresher Course dates
Duration
Location for both courses
A limited number of courses will be delivered at CoAST, locatedDefence Academy, Eisenhower, Shrivenham but to satisfy overall requirements, this course dates.can Foralso be delivered locally. Please contact your local STEP point of contact for more details.
Contact for both courses
For atmore otherinformation locations,email pleasedsa-maacourses@mod.gov.uk contactor your STEP point of contact.
Updates to this page
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Occurrence investigator course and occurrence investigator refresher course details updated.
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The Applicability section has been updated.
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Occurrence investigator course and refresher course page updated and re-formatted.
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The occurrence investigator course aim and applicability section have been updated.
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The applicability section of the occurrence investigator course has been updated.
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Email added for contracts and overseas applicants.
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The Occurrence investigator course aim and pre-requisites have been updated.
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The course aim and pre-requisites have been updated for the Occurence investigator course.
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A new opening paragraph has been added.
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OI course information updated.
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First published.
Update history
2026-07-29 13:26
Occurrence investigator course and occurrence investigator refresher course details updated.
2025-08-19 11:46
The Applicability section has been updated.
2024-09-27 11:36
Occurrence investigator course and refresher course page updated and re-formatted.
2023-03-21 11:09
The occurrence investigator course aim and applicability section have been updated.
2022-07-15 13:53
The applicability section of the occurrence investigator course has been updated.