Pakistan's national career has placed a firm order for five 777-300ER Boeing airplanes valued at nearly USD 1.5 billion at list prices, the company said.

The order also includes purchase rights to Pakistan International Airlines (PIA) for five additional 777-300ERs, Boeing said in a statement.

"We are proud that Pakistan International Airlines is a special Boeing customer that continues to invest and trust in the industry-leading capabilities of the 777 family of airplanes," said Marty Bentrott, vice president of Sales for the Middle East, Russia and Central Asia, Boeing Commercial Airplanes.

"The spacious 777-300ER has been an integral part of our long-range fleet renewal program and its excellent operating economics, long range capability and reliability will allow us to expand into new long-haul markets," said PIA Managing Director Capt Nadeem Yousufzai.

In 2002, PIA flag carrier became the world's first airline to purchase all three passenger models of the 777 Family and in that year it was also the launch customer for the 777-200LR (longer range) airplane.