1Filter Interview (Stage 1)
Complete a remote online interview covering personal background: family, education, work, hobbies, motivation, interest in RAF and the role applied for
2Officer Health Assessment (Stage 2)
Same occupational health process as enlisted: eyesight, hearing, BMI, full medical history reviewed; screens for role-specific disqualifiers
3Pre‑Joining Fitness Test (PJFT) (Stage 3)
Complete a 2.4 km treadmill run plus ageender-adjusted press‑up and sit‑up minimums at local gym; pass to move forward
4Officer & Aircrew Selection Centre (OASC) (Stage 4)
Attend one day at RAF Cranwell including CBAT aptitude tests, group planning and leadership tasks, individual interview assessing background, motivation, current affairs and RAF awareness
5Familiarisation Visit (Stage 5)
Two‑day visit including lectures, kit issue, repeat fitness test (PJFT/MSFT), and practical familiarisation with officer training life and expectations
6Acceptance Interview (Stage 6)
Provisional offer interview at AFCO to ensure understanding of service terms, confirmation of commitment before MIOTC training Training Course (MIOTC, Stage 7)
7Filter Interview (Stage 1)
A first-stage online interview covering family life, education, work experience, hobbies/interests, and your motivation and interest in joining the RAF as an officer
8Purpose of the filter interview?
To assess basic eligibility, motivation, communication skills, and ensure you fit officer standards before progressing further
9Health Assessment (Stage 2)
Undergo an occupational health assessment, focusing on hearing, eyesight, BMI, past illnesses and medical history screening; ensures you meet fitness-to-service standards
10What do TMU and PMU mean in officer applications?
TMU (Temporarily Medically Unfit) means pending medical records; PMU (Permanently Medically Unfit) means ineligible, though options to appeal or reapply may exist
11Pre‑Joining Fitness Test (PJFT) (Stage 3)
Includes a 2.4 km zero‑incline treadmill run and ageender-specific press‑ups and sit‑ups (typically 60 seconds each); pass is required to move to OASC
12Have PJFT standards changed recently?
As of late 2024, internal military fitness tests changed, but PJFT for entry remained the 2.4 km run plus strength tests as entry requirement
13OASC CBAT Aptitude Test (part of Stage 4)
At OASC Cranwell, complete Computer-Based Aptitude Tests (CBAT)—23 timed tests assessing spatial reasoning, multitasking, deductive work‑rate, verbal and numerical skills. Role-specific cut-offs apply
14OASC CBAT purpose?
To generate aptitude scores weighted across different officer roles (pilot, WSOp, control), determining eligibility per role
15OASC Board Day Activities (Stage 4)
Post-CBAT, attend a full day at OASC Cranwell with:
Individual interview (knowledge of RAF and role, motivation, current affairs)
Group discussion
Planning exercise (private study, group dialogue, questioning)
Hangar-based practical leadership exercises (leaderless and with assigned leaders)
16Planning Exercise details
Group exercise: 15 min private study (note-taking + SDT calculations), 20 min group discussion to decide solution, 20–25 min Q&A with Board. Individual exercise: 20 min planning + 10 min Q&A on your solution and decision logic
17OASC pass rate and what comes after
OASC pass rate is ~20%; those who pass enter a 'sift' where candidates are ranked by scores for limited MIOTC slots. Not passing the sift may delay or prevent placement even if OASC passed
18Specialist Medical (after OASC)
After passing OASC Board, return to OASC for a specialist aircrew medical, which includes ECG, bloods, urine, eye and hearing tests and must meet aircrew-specific standards
19Familiarisation Visit (Stage 5)
A two-day visit (sometimes called pre‑IOT tour) at RAF Cranwell or OASC area. Includes kit issue, lectures about training, repeat PJFT or MSFT, and practical familiarisation with RAF life and officer training environment
20Acceptance Interview (Stage 6)
Attend a provisional offer of service interview at your local AFCO. Confirms your understanding of service terms and conditions, commitment and readiness for training
21Modular Initial Officer Training Course (MIOTC at RAF Cranwell) (Stage 7)
A 24‑week course divided into 4 modules:
Module 1: Military skills (drill, weapons, CBRN, first aid), Exercise Phoenix Edge
Module 2: Leadership & resilience training (Robson Centre, PLE1, Dynamic/Eagles Edge)
Module 3: Command & welfare focus, Air Command & Control assessments (Commanders Edge)
Module 4: Consolidation and final assessments (Highlands Edge, Astra Edge, first week, Air & Space Power presentation), culminating in Graduation ceremony before proceeding to Phase 2 specialist training
22Timeline for officer applications
Application timelines typically vary between 6 and 18 months, commonly around 12 months, from initial filter interview to Phase 1 joining. Delays due to applications in sift, waiting for OASC or slots for MIOTC are common
23Reddit advice & preparation tips
Candidates advise preparation via RAF‑published fitness guides, current affairs awareness, practicing CBAT and planning exercises. One user shared: “there is no reason not to pass” if you train properly and prepare for interview questions like STAR‑method competency responses
24Filter vs OASC interview distinction
Candidates undergo two interviews: first the Filter Interview (online via AFCO) assessing personal background and motivation, then the OASC Board interview (in‑person at Cranwell) focusing on RAF knowledge, current affairs, role understanding and motivations
25Role of the 'Sift' after OASC
After passing OASC, successful candidates enter a sift pool where they are ranked by CBAT and Board scores; placement into MIOTC slots depends on available training capacity and role demand