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2 Terminal Learning Objective Identify the major components, features, functions, and operational characteristics of the Horizontal Situation Indicator

3 ENABLING LEARNING OBJECTIVE A ACTIONS: Identify the features and functions of an HSI CONDITIONS: Label the features/function on a diagram of an HSI STANDARDS: IAW FM , TH-67 Operators Supplement

4 Compass Card Lubber Line Symbolic Aircraft Selected Course Pointer Course Select Knob VOR/RNAV and LOC Deviation Bar Deviation Scale

5 Heading Select Knob To/From Indicator Dual Glideslope Pointers Glideslope Deviation Scale Heading Select Bug

6 NAV HDG MALFNCTIONMALFNCTION INDICATORSINDICATORS

7 ENABLING LEARNING OBJECTIVE B ACTION: Identify abnormal circumstances CONDITIONS: Given HSI indications STANDARDS: IAW TH-67 Operator’s Supplement

8 GLIDESLOPE POINTERS NOT VISIBLE DURING ILS Abnormal Indications HDG NAV WARNING FLAG (NAV) WARNING FLAG (HDG)

9 ENABLING LEARNING OBJECTIVE C ACTION: Conduct operational accuracy checks CONDITIONS: Given HSI indications STANDARDS: IAW FM , DOD FLIP (GP, AP/1, IFR-S), AIM (GP, AP/1, IFR-S), AIM

10 VHF Omnidirectional Test Signal (VOT) Tolerance +/- Tolerance +/- 4 Transmits only the 360 degree radial in all directions Correct indication - FROM with 360 course selected Excessive error - 5 deg right FAR (b)1

11 VOR Ground Checkpoint on Airport 078 radial ABC R Tolerance +4 . They are not published in DOD FLIP but are published in the Airport/Facility Directory, which is a US Government Flight information Publication.

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NM 2000 MSL R Published in DOD AP/1 2. Tolerance ± 6º

15 Dual VOR Receiver Check (Nav 1 and Nav 2) 1. Center both HSI deviation bars. 2. Tolerance: Selected course Pointers must be within 4 o of each other. Ref: FM Para 7-41

16 ENABLING LEARNING OBJECTIVE D ENABLING LEARNING OBJECTIVE D ACTION: Determine aircraft’s position in relation to a VOR CONDITIONS: Given HSI indications STANDARDS: IAW FM , TH-67 operators supplement

17 TO/FROM Indicator Selected COURSE RADIAL - read opposite TO/FROM indicator 180° radial 4° LEFT. The aircraft is on the 176° radial Cardinal directions Radials either side of current position Rotate Selected Course Pointer until deviation bar centers.

18 Will selected course take you toward or away from station? What is your position (radial)?

19 Will selected course take you toward or away from station? What is your position (radial)?

Which aircraft position corresponds with the HSI indication?

Which aircraft position corresponds with the HSI indication?

Which aircraft position corresponds with the HSI indication?

23 ENABLING LEARNING OBJECTIVE E ACTION: Intercept a specific course CONDITIONS: Given a specific course and HSI indications STANDARDS: IAW FM

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25 1. Locate radial to be intercepted (190). 2. Convert to course. 3. Rotate course selector knob until point of course selector shows new course (010°). 4. Turn TOWARD the course deviation indicator until course selector is at the 45° index. 5. As deviation bar centers, turn to new course.

26 1. Locate radial to be intercepted (210). 2. Convert to course. 3. Rotate course selector knob until point of course selector points to new course (030°). 4. Turn TOWARD course deviation indicator until course selector is at the 90° index. 5. As deviation bar centers, turn to new course.

27 1. Locate radial / course to be intercepted (025°). 2. Rotate course selector knob until point of course selector shows new course (025°). 3. Turn TOWARD course deviation indicator until course selector is at the 45° index. 4. As deviation bar centers, turn to new course.

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29 OZR EUF

30 Determine your position relative to PETRY 202

31 Determine your position relative to SHADY223

32 NAV STATION PASSAGE

33 ENABLING LEARNING OBJECTIVE F ACTION: Track a specific Magnetic Course CONDITIONS: Given a course and HSI indications STANDARDS: IAW FM

34 Tracking the MGM 126 radial inbound (Airspeed 100 knots) INITIAL CORRECTION 1st TRIAL CORRECTION TOO SMALL REPEAT INITIAL CORRECTION 2nd TRIAL CORRECTION

35 Tracking the MGM 126 radial inbound (Airspeed 100 knots) INITIAL CORRECTION 1st TRIAL CORRECTION TOO LARGE TURN PARALLEL TO COURSE 2nd TRIAL CORRECTION

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37 Practical Exercise Next !!!!!!! (HSI) 1. Complete in Class 2. You may leave when you are done.