Fatigue Risk Management
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Full Assessment

Plan the flight, run the pre-flight battery, start the flight and log in-flight check-ins, then debrief after landing. To score a flight on its own, with no questions to the crew, use Fatigue Quick Score, which opens on this same first page.

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Plan Flight

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Pre-Flight Assessment Battery

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Pre-Flight Assessment Results

Assessment completed at --:--

Fatigue score Predicted sleepiness at this duty's worst moment, 0 to 10: the body clock, hours awake by then, the sleep and wake time you reported, and the operation. Moderate from 6.3, High from 7.5, Very high from 8.8 — the Karolinska 6, 7 and 8 lines. It reports a hazard; it does not decide whether anyone flies.

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/10
Calculating...

Reported Your own Karolinska reading, on the fatigue score's 0 to 10: KSS 1 reads 0, KSS 9 reads 10, and KSS 6, 7 and 8 start its Moderate, High and Very high bands. It is a different measurement: the fatigue score is our prediction for the duty's worst moment, with points for the operation; this is what you report now. A band apart is expected, and neither moves the other. Before the flight, either one at High or above offers the SMS report.

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/10
Calculating...

Flight Summary

Predicted Alertness Forecast

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Predicted sleepiness through the duty on the Karolinska Sleepiness Scale: 1 is extremely alert, 9 is fighting sleep.

At show
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Sleepiest
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Sleepiest at
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In the WOCL
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Predicted KSS KSS 6, 7, 8: where the score's Moderate, High and Very high bands begin WOCL (02:00–06:00)

Real-Time Duty Period Monitor

The duty as scheduled, the forecast's predicted sleepiness through it, and the sleepiness you report at each check-in.

Current time
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Current Phase
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Predicted now The forecast's predicted sleepiness at this moment of the scheduled duty, on the Karolinska Sleepiness Scale (1 extremely alert, 9 fighting sleep). The same forecast as the Summary tab: the published Three Process Model on the fatigue score's own inputs. It predicts a group average and makes no call of its own; the fatigue score does.
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WOCL this duty Window of circadian low: 02:00–06:00 on the body clock, shown here on local time. Away from base the two can differ; the fatigue score works out by how much. During the duty this says how long until the WOCL starts, or until it ends.
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Duty Period Timeline

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Preflight and postflight Flight Ground between legs Now WOCL

Predicted vs. Reported Sleepiness

Predicted KSS Reported KSS (check-ins) KSS 6, 7, 8: where the score's Moderate, High and Very high bands begin WOCL (02:00–06:00)

Check-In Log

0 check-ins

No check-ins logged yet. Use Log Check-In to record your current alertness level.

Subjective Assessment Details

Each self-reported assessment, as it was recorded.

Export Options

Download, share, or report your fatigue assessment

In-Flight Check-In

Phone-friendly. One per hour of cruise — recommended, never required.

Next recommended
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Logged this flight
0
Skip safely — missed windows are recorded as missing data on the ALFA dashboard, which itself is signal.

How do you feel right now?

– Not set: slide or tap to your level
Countermeasures (tap any that apply)

Latest report, beside the fatigue score

Fatigue score
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Not scored

Reported
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No check-in yet

Top-of-descent workload

Tap when you start your descent to rate the workload so far (NASA-TLX, about a minute).

ALFA-Check

About 30 seconds: your KSS, with optional concentration and fatigue items. Logged as a check-in.

Check-In History

No check-ins logged yet. Skip without penalty.

Post-Flight Debrief

Complete these assessments after your flight to record actual workload and performance

Post-Flight Debrief Results

Debrief completed at --:--

Flight Details

Fatigue score

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/10
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Reported

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/10
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Tool Accuracy Rating Your rating of how accurately the fatigue prediction tool reflected your actual experience. 5 = Excellent match, 1 = Poor match.

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/5

Reported workload (NASA-TLX) Your six NASA-TLX ratings after the flight, averaged, out of 100. Compare it with the workload you expected before the flight.

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/100

Expected vs reported Difference between the workload you expected before the flight and the workload you reported after it (NASA-TLX). Positive (+) means it was higher than you expected.

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Assessment Scores Summary

In-Flight Check-In Log

Flight Experience Summary

Flight Notes

No notes recorded.

Post-Flight Subjective Assessment

Detailed breakdown of post-flight assessments and flight experience ratings.

Export Post-Flight Report

Download or share your complete flight debrief