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RAF - OASC

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TSR Wiki > Careers > Career Options > Armed Forces Careers > The Royal Air Force > OASC


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What is OASC?

OASC stands for Officer and Aircrew Selection Centre. OASC is located at RAF Cranwell, Lincolnshire. This is the final stage of assesment for Officer and Aircrew candidates.

What Does OASC Consist of?

OASC is currently a four day selection process that breaks down into the following:

Day one

You arrive at Cranwell and have an initial briefing. You will have the evening free to yourself.

Day two

A 7:15am start followed by an Aptitude test! The length of this test varies from depending on branch choice. These tests are computer based. You will be tested on such topics as; deductive reasoning, memory, spatial orientation, mental agility and hand/foot/eye coordination. These tests are designed to help identify abilities that the RAF, and your chosen branch are looking for.

Following your aptitude test you will be invited back for a review. You will be told how you preformed and if you made the aptitude score for your branch choice. All test results are confidential and someone will be there to advise you.

After this you will be given a medical. All medicals include measurements in height, weight, eyesight, hearing and lengths. Some branches will be asked to return for more in depth medicals at a later date.

Day Three

You will have an interview. All candidates will be asked similar questions. An interview will last about 45 minutes. See the General I for possible questions. You will be marked on: Manner, appearance, speech and power of expression, awareness, motivation, physical level, physical potential, activities and interests, academic level, academic potential and overall impact.

At this stage you will have a review. This is the end of the preliminary phase. If you pass, you will move onto the exercises. If you fail at this point you will be advised by a review Officer. If you have not passed for your original branch choice, you may still be suitable for other branches. You will be able to ask for more information and advice at the time.


What Are The Fitness Requirements?

Bleep Test

AGE 17-24 25-29 30-34 35-39 30-44 45-49
MALE 9.10 8.10 8.03 7.04 6.01 5.01
FEMALE 6.10 5.06 5.03 4.07 4.03 3.09

Pressup Test (time permitted: 1min)

AGE 17-24 25-29 30-34 35-39 30-44 45-49
MALE 13 12 11 10 9 8
FEMALE 10 9 8 7 6 5

SitUp Test (time permitted: 1min)

AGE 17-24 25-29 30-34 35-39 40-44 45-49
MALE 35 31 27 23 19 15
FEMALE 25 22 19 16 13 10

What Are The Medical Measurements For Pilot?

Height: 1575mm-1905mm
Weight: 56.6kg-96.5kg
Reach: 720mm min
Sitting height: 865mm-990mm
Buttock-knee: 560-660mm
Buttock-heel: 1000-1200mm

Eyesight Requirements

Pilot; Uncorrected Acuity 6/6, Refraction range plano to +1.75. Cyl up to +0.75. That means you MUST have 6/6 vision with NO myopia but a small range of long sightedness is acceptable. You can have virtually no trace of astigmatism.

WSO: Uncorrected 6/24, correctable to 6/6, refraction -1.25 to +3, cyl to +1.25. So you must be correctable to 6/6 with glasses or contacts, and you can't have a myopia/long sightedness of less than -1.25 or greater than +3.

WSOp is uncorrected 6/24, correctable to 6/6, with a refraction range of -2 to +3. Linguists can get away with -4 to +4.

What Can I expect from the aptitude tests?

Some of the tests are the following: (From RAF Testing Methods Booklet)

Control of Velocity test (CVT)

Use a joystick left and right to hit the targets. The targets are small circles cascading down the screen but theres a delay between what you do, and the dot actually moving.

Instrument Comprehension (INSC)

A measure of general and spatial awareness using basic aircraft instrumentation (alt, art horiz, vertical speed, air speed, compass aswell as turn and bank). First part uses just the artificial horizon and compass to identify the correct orientation of an aircraft from a set of pictures, the second part uses all 6 instruments and given a number of verbal descriptions of orientation. You then have determine which description matches what you have on screen.

Sensory Motor Apparatus (SMA)

This is basically a tracking task. Using a joystick and pedals to move a dot both horizontally (pedals) and vertically (joystick), keep the dot as close to the target as possible. The dot is moved away forcing you to compensate.

Digit Recall

Short term memory test where you are presented with sets of numbers of varying length on screen, each being shown for about 10 secs. As soon as it disappears you have to type the number in.

Vigilance (VIG)

You are presented with a 9x9 matrix on screen. Each cell in the matrix is identified by numbers along the top and left hand side. You then are asked to do 2 tasks; 1 routine and the other priority. The routine tasks involves entering the cell number when a star appears in it, the priority task involves doing the same when an arrow appears. This has to be cancelled first by pressing a key then entering the cell number.

This is not finished yet...

Also See

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