H-160/Emergency Procedures
CHAPTER 7 - EMERGENCY PROCEDURES General This section describes the most common helicopter emergencies that may be encountered in the H-160, and the appropriate actions to address those emergencies. Definitions The following terms apply for this section: The term LAND IMMEDIATELY is defined as a landing without hesitation to any landing surface. Survival of the occupants is considered the highst priority. The term LAND AS SOON AS POSSIBLE is defined as a landing to the nearest suitable landing surface. Survival of the occupants is considered the highst priority. The term LAND AS SOON AS PRACTICAL means land at the nearest suitable airfield or heliport. The term AUTOROTATE means adjusting the controls to establish an autorotation and landing. This generally means thurst control full down, then adjust as necessary to maintain 100% rotor RPM. Emergency Checklists Engine Fire Indications: ENG 1 FAIL and ENG 2 FAIL caution lights N1 and N2 underspeed Engine flameout Procedure: Affected Engine - IDENTIFY Fuel Shut-Off - PULL Engine Control (failed engine) - OFF Single Engine Flight - ESTABLISH
If fire indication is off:
Land - AS SOON AS PRACTICAL
If fire indication is still on:
Land - IMMEDIATELY Engine Failure Single Engine: Affected Engine - IDENTIFY Engine Control (failed engine) - OFF Single Engine Flight - ESTABLISH Restart - IF SAFE Land - AS SOON AS PRACTICAL Dual Engine: Collective - FULL DOWN Autorotation - ESTABLISH Restart - IF SAFE Engine Restart: Engine Control - OFF Engine Control - IDLE Wait for #1 N1 to reach 75% Abort attempt if 75% not reached after 45 seconds Engine Guard - CLOSED Engine Control - FLY N1 & N2 VERIFY - 100% Gear Failure Failure to Extend: Suitable Landing Site - SELECT Gear Handle - UP Emergency Down - ON Gear Handle - DOWN Verify three green lights Failure to Retract: Airspeed - < 100 KTS Emergency Down - OFF Gear Handle - DOWN then UP
If gear still fails to retract
Land - AS SOON AS PRACTICAL Elecrical Fire Indications Smoke in cockpit Electrical systems not functioning Emergency Cut-Off Lever - OFF Identify failed system Re-enable each DC bus cut-off one at a time. If no smoke or indication of fire, leave ON.
If power restored and no smoke
Land - AS SOON AS PRACTICAL
If no power or smoke continues
Land - AS SOON AS POSSIBLE Elecrical Failure Indications Electrical systems off One or more generators offline Procedure EMER CUT-OFF - CHECK ON BATT switches - CHECK ON GEN switches - CHECK ON
If still no power
EMER GEN - ON
If partial electrical power restored
Land - AS SOON AS PRACTICAL
If no electrical power
Land - AS SOON AS POSSIBLE Cargo Fire Indications Cargo Fire Indicator lit Screaming passengers Procedure Cargo Fire Button - PRESS
If fire is extinguished
Land - AS SOON AS PRACTICAL
If fire is NOT extinguished
Land - IMMEDIATELY FADEC Failure Indications Erratic N1/N2 RPM indications Identify failed system Look for N1/N2 RPM deviations with collective adjustments.
Affected System
Affected FADEC - OFF Affected Engine - SHUT DOWN Land - AS SOON AS PRACTICAL Ditching Float Mode - AUTO Airspeed - < 80 KTS
At 50 feet
Collective Float Deploy - PRESS Land with minimum vertical and horizontal speed
