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Figure 9-1-9.  Ditching Exits
SECTION  II.  MISSION EQUIPMENT

TM-1-1520-240-10 Army CH-47D Heilcopter (EIC:RCD) Manual
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TM  1-1520-240-10            9-1-29/(9-1-30 blank) 9-1-76.  Dual AFCS Failure. AFCS SYSTEM SEL switch — OFF. If IMC; Land as soon as practicable. 9-1-77.  Vertical Gyro (VGI) Malfunction. A vertical gyro malfunction will be indicated by an attitude indicator  failure,  an  AFCS  OFF  caution,  and  attitude transients. If a vertical gyro failure occurs, proceed as follows: CAUTION Failure of the No. 1 vertical gyro with altitude hold  engaged  may  result  in  an  altitude runaway.  If  this  occurs,  disengage  ALT HOLD. NOTE Failure of a vertical gyro results in loss of its associated AFCS and should be treated as a single AFCS failure. 1.   Airspeed — 100 KIAS or Vne , whichever is slower. 2.   Affected VGI switch — EMER. 3.   AFCS — Select remaining system. 9-1-78.  Differential Airspeed Hold Failure (DASH). Differential airspeed hold failure will be recognized by pitch attitude deviations. If DASH failure occurs, avoid nose high attitudes. 9-1-79.  Cockpit-Control    Driver    Actuator    (CCDA) Failure. 1.   THRUST CONT lever — Slip as required. 2.   RADALT/BARO ALT switch—DISEN- GAGED.







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