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The evaluation is based on a written examination. The passing grade is 80%.
What are the NHTSA approved SFST?
STANDARDIZED FIELD SOBRIETY TESTs: There are three NHTSA/IACP-approved SFSTs, namely Horizontal Gaze Nystagmus (HGN), Walk and Turn (WAT), and One Leg Stand (OLS).
What are the different types of SFST?
The original studies yielded approximately 16 tests, but the NHTSA reduced these to three primary tests. These are the horizontal gaze nystagmus, the walk and turn, and the one-legged stand. Additional tests may be used by police officers. SFST are considered divided attention tests.
What is the hardest sobriety test?
Walk and Turn The WT test is arguably the most notorious traffic sobriety test because it is both complicated and has the highest fail rate. Heres why. Walk in a straight line, heel to toe, for ten steps. Turn around and walk back.
What are the NHTSA approved field sobriety tests?
Three FSTs: What is the Officer Looking For? The National Highway Traffic Safety Administration (NHTSA) has sanctioned three field sobriety tests: the horizontal gaze nystagmus, the one-leg stand and the walk-and-turn tests.
An officer will check for the three clues in each eye, which results in six possible clues. The clues are a lack of smooth pursuit, distinct and sustained nystagmus at the eyes maximum deviation and nystagmus starting before the eye reaches 45 degrees. If a person displays four or more clues, they fail the test.
What are the 3 standardized field sobriety tests?
This pamphlet instructs police in conducting the three most reliable field sobriety tests: the horizontal-gaze-nystagmus (HGN) test, the walk-and-turn test, and the one-leg-stand test.
sfst instruction card
DWI Detection and Standardized Field Sobriety Test (SFST
SFST Curricula Guides and Manuals 2023 DWI Detection and Standardized Field Sobriety Test (SFST) Refresher Instructor PDF, 19.66 MB
The NHTSA SFST pocket card is a vital tool for law enforcement officers seeking to implement standardized field sobriety tests effectively and ethically.
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