WebOct 23, 2024 · The officer is looking for the following three clues in each eye: Lack of Smooth Pursuit - Does the eye follow the object smoothly as it moves from the center of the face toward the ear, or does it jerk? Distinct Nystagmus at Maximum Deviation - Does the eye have a distinct jerking motion after being held toward the outer edge for four seconds? WebThey are told that it accurately predicts who should be arrested for driving while intoxicated, based on four or more clues or cues being observed, and that these clues mean that the person is likely at 0.08 grams percent or higher. So, being scored at either four clues or six clues is an “arrest decision,” according to NHTSA SFST training.
DUI Training - Horizontal Gaze Nystagmus
WebEach clue is ONE clue, but that one clue may be observed multiple times. This understanding is important because NHTSA says that if you observe 2 or more clues on the WAT than the subject is likely impaired. If they start … WebValidated Clue 5 (WAT) Steps off the line Validated Clue 6 (WAT) Uses arms for balance Validated Clue 7 (WAT) Improper turn Validated Clue 8 (WAT) Wrong Number of steps Validated Clues (HGN) 1) Lack of Smooth Pursuit 2) Distinct and Sustained Nystagmus at Maximum Deviation 3) Onset of Nystagmus Prior to 45 Degrees Sets found in the same … how carr live
Passing or Failing Field Sobriety Tests (FSTs) - Romano Law
WebHGN is a type of jerk nystagmus with the saccadic movement toward the direction of the gaze. An eye normally moves smoothly like a marble rolling over a glass plane, whereas an eye with jerk nystagmus moves like a marble rolling across sandpaper. WebJan 25, 2024 · This stated that HGN clues are appropriate where the BAC is as follows: < .03 = 0 - 2 Clues .03 - .059 = 2 - 4 Clues > .06 = 4 - 6 Clues In fact, the data from this study shows that 67% of people under the legal limit would be incorrectly arrested by this criteria. WebThere are six possible clues that an officer can claim indicate impairment on the HGN test. (Three clues per eye) It only takes two clues out of the six possible to “fail” the HGN test. … how many pepsi flavors are there