3 the equipment shall provide the capability for

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3. The equipment shall provide the capability for entering, storing, and designating as part of the active flight plan a minimum of 9 discrete waypoints (including the active waypoint). In addition, for class A1 equipment, it shall store and designate as part of the active flight plan the complete sequence of waypoints from the navigation data base necessary to complete the selected approach including the missed approach. 4. Waypoints shall be coded in the navigation data base to identify them as "fly by" (turn anticipation permitted) or "fly over" (turn Page 8    (a)(3)(vii)  
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TSO-C129a anticipation not permitted) as required by the instrument approach procedure, SID, or STAR. Waypoints which define the missed approach point and missed approach holding point in instrument approach procedures shall be coded as "fly over". 5. Navigation data bases shall meet the standards specified in sections 3, 4, and 5 of RTCA/DO-200, "Preparation, Verification and Distribution of User Selectable Navigation Data Bases" and sections 2 through 7 of RTCA/DO-201, "User Recommendations for Aeronautical Information Services." (xi) Waypoint or Leg Sequencing . Add the following requirement to paragraph 2.2.1.7 of RTCA/DO-208: 1. The equipment shall provide the capability to fly from the present position direct to any designated waypoint. Access to this feature shall be by means of a single action by the pilot. Selection of the desired "TO" waypoint may require additional actions. 2. The equipment shall provide the capability for accomplishment of holding patterns and procedure turns. Activation of this function shall at least: a. Change automatic waypoint sequencing to manual. b. Permit the pilot to readily designate a waypoint and select a desired course (by means of a numerical keypad entry, HSI course pointer, CDI omni-bearing selector, etc.) to or from the designated waypoint (TO/FROM mode operation is acceptable). c. Retain all subsequent waypoints in the active flight plan in the same sequence. d. Permit the pilot to readily return to automatic waypoint sequencing at any time prior to the designated fix ("TO" waypoint) and continue with the existing flight plan. 3. Class A1 equipment, unless incorporating or interfaced with an appropriate situational awareness display (i.e., an electronic map), shall be designed to prevent automatic waypoint sequencing from the missed approach waypoint to the missed approach holding waypoint. Except for equipment with an approved electronic map display, course guidance shall display an extension of the inbound track and distance from the missed approach waypoint until manual selection of the next desired waypoint. Manual sequencing to the next waypoint after the MAP shall be 1Page 9
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TSO-C129a accomplished by means of no more than two actions by the pilot (e.g., acknowledgment of next waypoint and activate DIRECT TO).
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