TM 1-1510-225-10 3B-70 Table 3B-24.  Attribute Designators  (Continued) ATTRIBUTE DESCRIPTION H A  holding  pattern  has  been  attached  to  this  waypoint.    If  the  waypoint  is  an  IAF  or  Missed Approach  Holding  Point  with  a  database  Holding  Pattern  attached,  this  attribute  is  displayed on the holding Flight Plan page when the holding pattern is enabled. I The waypoint is a valid intercept solution for a moving target. M The waypoint is designated as the Missed Approach Point (MAP). P This waypoint is a fix for a pattern that will be executed  upon arrival at the point. R This waypoint is part of a STAR. S This waypoint is part of a SID. T The  waypoint  has  a  desired  time  of  arrival  associated  with  it.    This  indicates  that  a  Time Navigation (TNAV) function will be performed to obtain the Required Time of Arrival (RTA) on the Flight Plan Waypoint page. V The waypoint has an altitude specified that will cause vertical navigation to be performed. Up  to  three  attributes  can  be  assigned  to  each waypoint.    Attribute  hierarchy  and  possible  attribute combinations  are  shown  in  Table  3B-25.    Attributes within each column of the table can not be assigned to the same waypoint. Table 3B-25.  Attribute Hierarchy ATTRIBUTES M T V H D C F P I R S NOTE The right-most column of attributes shown in  this  table  is  deleted  first  when  used  in combination with other listed attributes.  (4)   Automatic Leg Advance. When waypoints  beyond  the  active  waypoint  are  in  the  flight plan  and  the  flight  plan  advance  mode  is  automatic (AUTO  or  FLYOVER  mode),  the  FMS-800  computes great  circle  tracks  between  those  waypoints.    It  will also,    automatically    transition    smoothly    from    one waypoint to the next. To  sequence  past  a  waypoint,  the  aircraft  track angle must be within 90° of the active leg course; the Track     Angle     Error     (TKE)     must     be     within     90°.   Otherwise,  sequencing  will  be  inhibited  and  guidance will  continue  to  reference  the  inbound  course  to  the waypoint. To prevent overshoot of the next leg, automatic leg switching in AUTO mode includes turn anticipation, up to 30 nm  prior  to  the  waypoint,  for  course  changes 150°.  Over 150°, the waypoint will be overflown and a teardrop turn is made to intercept the next leg.  Refer to Figure 3B-32. NOTE When  the  change  in  the  resulting  course between   flight   plan   legs   is   greater   than 150°, the FMS will provide guidance to turn and  intercept  the  next  course,  resulting  in an  S-turn  maneuver  into  the  course.    The course  to  the  next  waypoint  is  based  on geometry between waypoints, not waypoint course guidance, for smooth turns.  When   the    pilot    has    selected    the    FLYOVER mode,    leg    switching    is    also    automatic,    but    each waypoint  is  overflown  prior  to  turning  to  intercept  the next leg. Prior  to  the  leg  switch  point,  the  waypoint  alert light illuminates and the waypoint number on the Flight Plan page and the ¯  to ¯  indicator on the Lateral Steer page will flash for 10 seconds. When  the  MAP  becomes  the  active  waypoint, sequencing is automatically inhibited as the sequence mode  is  switched  to  MAN.    On  the  TO  side  of  the MAP, pilot selection of AUTO sequencing is inhibited; AUTO can be selected on the FROM side of the MAP.   A   Direct-To   any   waypoint   other   than   the   MAP   will switch sequencing back to AUTO.