The first batch of three Mi-171Sh helicopters was delivered to Peru in May following the signing of a contract the year before.

Technical equipment for operations support of the helicopters was shipped to the customer together with the rotorcraft, Rosoboronexport said.

The helicopters and equipment were delivered to Peru on an Antonov An-124 and after delivery all three helicopters passed acceptance tests.

Rosoboronexport said the contract will be deemed fulfilled after the warranty period for all helicopters runs out. Meanwhile, specialists from Ulan-Ude Aviation Plant, the aircraft manufacturer, are working in Peru to look after warranty liabilities.

As with the first three helicopters, the second batch of aircraft will be used to combat drug trafficking and other missions Peru's armed forces.

The multi-role Mi-171Sh rotorcraft delivered are equipped with modern systems enhancing their combat performance, a number of avoidance means for major systems and crew, as well as radar and instrument equipment allowing operations in adverse weather, day and night.

The helicopters are equipped with two sliding doors and an electohydraulic ramp, allowing 26 people to disembark from the helicopter within seconds.

Peru has been operating UUAP-manufactured Russian rotorcraft for more than 10 years. Some civil operators also have Mi-171 helicopters in their fleet.

The number of Central and Latin American countries where UUAP-made Mi-171 and Mi-171Sh helicopters are operated is growing, Rosoboronexport said.

These helicopters have been held in high esteem, Rosoboronexport said, because of "their outstanding performance, reliability, ease of operation and maintenance, capability to operate in difficult weather and climate."

The military note the versatility of the Mi-171Sh and the aircraft have proven very capable in a number of local military conflicts, in anti-terror and police operations, as well as search-and-rescue missions, the company said.

In 2010 the Mi-171A1 won the tender of Brazilian energy giant Petrobras to work in the Amazon basin and UUAP is building helicopters for other countries under existing contracts.

The Mi-171Sh is a military transport helicopter developed from the Mi-171. The Mi-171Sh can be fitted with guided missiles, unguided rockets, cannons and protection systems. The helicopter can carry up to 37 troops and loads of as much as 8,800 pounds.

JSC Rosoboronexport handles more than 80 percent of Russian arms and military equipment exports.

Ulan-Ude Aviation Plant produces the Mi-171, Mi-171A1 and Mi-171Sh helicopters.