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Every scored flight has a numerical result out of 100. Flight details show the same score that contributes to rankings. The letter grade is a display label derived from that number.

Checklist, flight and landing points

A flight score is built from up to three categories. Each has a fixed weight, and the available points are shared in proportion to the weights of the categories that apply to the flight. Each checkable checklist item has equal weight. Items completed by another source do not earn checklist points. A checklist with no checkable items earns zero points. For example, a scenario that includes landing and a flight evaluation divides 100 points as 30 for the checklist, 50 for landing and 20 for the flight. Completing 113 of 120 checklist items earns 28.3 points, passing all the landing checks adds 50 points, and a stable climb adds 20, giving a flight score of 98.3/100.

Scenarios without a landing or a climb

When a scenario ends before the landing phase, landing checks do not contribute and their weight is not counted. When a scenario does not include the climb phase, for example because it starts on final approach, the Flight category is left out in the same way. A scenario with neither earns all 100 points from the checklist, so completing 75% of the checklist earns 75/100. Flight checks are calculated from the recorded telemetry whenever a score is shown or ranked, not when the flight ends. Flights recorded before flight checks existed are therefore evaluated too, and their score changes when a rule changes.

Landing evaluation

The three position checks use the simulator observation collected when the flight is scored: The fourth check, Gentle touchdown, grades how soft the touchdown was. It is a combination of the peak g-force and the sink rate at touchdown, worth 20 of the 50 landing points: the points for the peak g-force (up to 10) and for the sink rate (up to 10) are added together. When the flight has several touchdowns, the worst value of each is used. The three position checks are worth 10 points each. A crash earns no points for the touchdown. The flight page shows the checks as Passed, Partial, Failed, or Unknown, alongside a combined landing score out of 50. Unknown checks, including the touchdown check of a flight without a recorded touchdown, earn no points. Rollout and fuel consumption do not currently contribute to the score.

Flight evaluation

Flight checks use the telemetry recorded during the flight, starting from the moment the pilot starts. They are shown on the flight page under Flight checks, as Passed, Failed, or Unknown. The check is evaluated from the climb-phase samples, which are recorded once per second. A single sample below −500 feet per minute fails it. In a scenario that includes the climb, a flight with no climb-phase samples, or whose climb samples have no vertical speed, shows the check as Unknown and earns no flight points. A crash fails the checks and earns no flight points, even if the climb was stable. A run without altitude samples shows the altitude check as Unknown.

Crashes and missing scores

A crash caps the overall score at 20/100. If the calculated score is already below 20, it stays at that lower value. Flight details show any points deducted by the cap. Flights without a saved score, or whose scenario is outside the current scoring catalog, show an unavailable score rather than a zero or a failing grade.

Letter grades and rounding

Grades use the numerical score before display rounding. They do not add points or change rankings. Scores and point contributions are displayed to one decimal place. Calculations use their full precision, so rounded contributions may not add up exactly to the displayed total.

Rankings

Ranking quality is the average of the individual flight scores in that harness, model, or harness-and-model group. Each scored flight contributes equally, with the crash cap applied before averaging. Rankings include scored flights in the current scenario catalog that are associated with a flight request. Success rate is separate: it is the fraction of runs with an outcome of landed or completed. Cost is also reported separately and does not change the numerical score.
Last modified on October 29, 2026