An economic crisis that the World Bank describes as likely one of the world's worst since the 1850s has hit the Lebanese military hard, leaving it struggling to pay troops enough to live on.

In an announcement on its website, the army said it would be offering civilians the chance to see "Lebanon... from above" with 15-minute flights.

The joyrides on board the army's Robinson R44 Raven helicopters would start on Thursday and would be open to passengers aged three and above.

Up to three people would be allowed aboard per flight, which costs about $150 and is to be paid in cash.

The aim is "to encourage Lebanese tourism in a new way, in addition to supporting the air force," a military source told AFP.

The economic crisis has eaten away at the value of soldiers' salaries and slashed the military's budget for maintenance and equipment.

Towards the middle of last year, the army said it had scrapped meat from the meals offered to on-duty soldiers, due to rising food prices.

Lebanon has been without a functioning government since a massive blast in Beirut in August last year killed more than 200 people and ravaged swathes of the Mediterranean port city.

Politicians have failed to agree on a new cabinet line-up even as foreign currency cash reserves plummet, causing fuel, electricity and medicine shortages.

Earlier this month, France hosted a donor conference at which 20 nations agreed to provide emergency aid to Lebanon's military.