The modification applies to EC155s used in HEMS and offshore ops and certified for IFR. These helicopters already have factory-installed life rafts mounted below the passenger doors on both sides of the fuselage.

Pulse lights emit a powerful flashing signal that makes an aircraft more visible from a greater distance, which is particularly important when flying at night or during inclement weather. The pulsing allows for identification.

The Tiger Tug 8.0 and 8.0B models had previously lacked secure fit on the H130 until the belly skin was altered.