COMPASS is the screening most European flight schools and several airlines reach for when they need a fast, standardized read on a candidate's aptitude. Shorter than a DLR campaign but built from the same cognitive ingredients, it compresses hand-eye coordination, mental arithmetic, memory and multitasking into a single sitting. This guide covers the reported sections, the Advanced COMPASS extension, and a preparation plan per component.
What is the COMPASS Test?
COMPASS, the Computerized Pilot Aptitude Screening System, is a test battery developed by EPST (European Pilot Selection and Training) and used by flight academies and airlines across Europe for ab initio and sometimes experienced-pilot screening. The classic battery runs about two to three hours on a computer, often with a sidestick and rudder input for the control tasks.
Candidates commonly report a core of six areas: hand-eye coordination in a tracking task, mental arithmetic without a calculator, memory for sequences, spatial orientation using instruments, a multitasking block that combines several of these at once, and a technical or English component depending on the operator. Advanced COMPASS extends the system for later selection stages with heavier multitasking and reasoning content.
Aviation Aptitude is an independent training platform with no affiliation to EPST; section lists below are candidate-reported and the publisher can change content at any time.
Which Skills Does COMPASS Test?
The cognitive sections map onto our modules as follows:
- Memory: short sequences held and recalled under time, as in the digit span test and visual memory test
- Mental arithmetic: speed, distance, time and conversion questions, as in the mental arithmetic test and speed distance time test
- Spatial orientation: attitude and heading interpretation, as in the spatial orientation test and coordinate system test
- Attention and monitoring: scanning instruments for deviations, as in the monitoring test and perceptual speed test
- Multitasking: several of the above stacked simultaneously, as trained in the divided attention test
- Reasoning, especially in Advanced COMPASS: pattern continuation as in the number series test and abstract items as in the logic and reasoning test
How the Test Day Runs
COMPASS is usually a single-day, single-sitting event at an academy or testing center, section following section with short briefings. Results are typically normed against a pilot-applicant population and reported as a profile across sections rather than a single pass mark; each school sets its own bar and often pairs the battery with an interview. The compactness is the trap: there is no time inside the sitting to warm up, and the first minutes of each section score exactly like the last.
COMPASS gives you no warm-up laps. The section starts scoring at question one, so arrive already fluent in every format.
How to Prepare: Strategies That Actually Work
- Cover all sections, thinly at first. A first pass through every format beats depth in two; profile scoring punishes blank spots hardest.
- Drill arithmetic to reflex. The maths is school level but the pace is not. Daily ten-minute blocks of timed mental arithmetic move this section more than anything else.
- Fly something, even a desktop sim. The tracking task rewards smooth, small corrections. Any stick time, including flight simulator practice with gentle inputs, builds the right habit.
- Train instrument reading as a skill. Learn to read attitude, heading and altitude displays at a glance; the orientation section assumes the vocabulary.
- Stack tasks before test day. Practice arithmetic while a memory item waits, or monitoring while counting audio events; the multitasking section is where unprepared candidates lose the profile.
- Simulate the sitting. One continuous multi-module session per week teaches the pacing that a compressed battery demands.
Common Mistakes to Avoid
- Assuming the maths is trivial and discovering the timer mid-section.
- Chasing perfection in the tracking task while ignoring memory and orientation sections that weigh just as much.
- Practicing sections in isolation only, then meeting them stacked for the first time in the real multitasking block.
- Booking the test before a single full-length rehearsal.
Frequently Asked Questions
How long does the COMPASS test take?
Candidates commonly report a single sitting of roughly two to three hours, section after section with short briefings and no warm-up rounds.
Can you fail one section of COMPASS and still pass?
Results are reported as a profile across sections rather than one pass mark, and each school sets its own bar; a clearly weak section usually costs more than a slightly lower average, which is why weakness-first preparation pays.
Do I need flying experience for COMPASS?
No. The battery is built for ab initio screening; what helps is fluency in the test formats, timed arithmetic and basic instrument reading, all trainable without a single flight hour.
Practice This Skill
Every section above has a matching module in the Aviation Aptitude app with levels that climb past test difficulty, plus a free diagnostic to reveal your profile before an academy sees it. Level 1 of every module is free, and the 6 week study plan sequences the whole preparation.