When an emergency condition occurs, position the POWER and SYSTEM ON/OFF switches to OFF. If an inflight
emergency occurs, the PDU may be jettisoned at the pilot's discretion.
RECOMMENDATION TO HELICOPTER PILOT
The pilot must be briefed not to arm the external cargo electrical release switch. A second switch, the
cargo release off arm switch located on the miscellaneous panel, which arms the external cargo
electrical release switch, should be monitored by the co-pilot during spray operations. If an emergency
situation occurs, the external cargo electrical release switch should be armed or the PDU could be
jettisoned using the external cargo mechanical