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PA.VI.A.K5aFAA-S-ACS-6C · Nov 2023Knowledge

a. Determining heading, speed, and course

ACS element text (the applicant demonstrates understanding of)

Plotting a course, including: a. Determining heading, speed, and course

Bottom line

Dead reckoning is navigation solely by means of computations based on time, airspeed, distance, and direction. The predicted heading takes the aircraft along the intended path and the GS establishes the time to arrive at each checkpoint and the destination.

Key numbers

Key numbers for a. Determining heading, speed, and course
NumberWhat it means
1 inch = 8 SM or 6.86 NMSectional scale

FAA references

  1. PHAK ch. 16 (pp. 16-13–16-14) — FAA-H-8083-25C (2023)
  2. PHAK ch. 16 (p. 16-12) — FAA-H-8083-25C (2023)
  3. AFH Glossary (p. G-18) — FAA-H-8083-3C
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