PARIS, France (AP) — Interpol knew about stolen passports that two passengers used to board an ill-fated Malaysia Airlines flight bound for China, but no country checked the police agency’s vast database on stolen documents beforehand, it said yesterday. Interpol said it hopes authorities will “learn from the tragedy”.

It’s not known whether stolen passports had anything to do with Saturday’s disappearance of the Boeing 777 bound from Kuala Lumpur, Malaysia, to Beijing with 239 people on board. But such oversights aren’t new. Last year, passengers boarded planes over a billion times without their passports being checked against Interpol’s database of 40 million stolen or lost travel documents, said the international organisation based in Lyon, France.

Interpol has sounded the alarm on the issue for years, and just last month it bemoaned that “only a handful of countries” regularly use its stolen or lost travel documents database of records from 167 countries. For example, the database was searched more than 800 million times last year — but one in eight searches was conducted by United Arab Emirates alone.

Interpol Secretary General Ronald Noble said in a statement that his organisation has long asked why countries would “wait for a tragedy to put prudent security measures in place at borders and boarding gates”.

“Now, we have a real case where the world is speculating whether the stolen passport holders were terrorists, while Interpol is asking why only a handful of countries worldwide are taking care to make sure that persons possessing stolen passports are not boarding international flights,” he said.

Noble said he hopes “that governments and airlines worldwide will learn from the tragedy of missing flight MH 370 and begin to screen all passengers’ passports prior to allowing them to board flights”.

The declared thefts of the two passports used — one of Austrian national Christian Kozel in 2012, and one of Luigi Maraldi of Italy last year — were entered into Interpol’s database after they were stolen in Thailand, the police body said.

Interpol also said it and national investigators were examining other suspect passports and working to determine the true identities of those who used the stolen passports to board the Malaysia Airlines flight.

In an interview with The Associated Press in 2010, Noble had warned that “the greatest threat in the world” then was a half-billion international air arrivals that took place in which travel documents were not compared against Interpol databases.

In November, in yet another talk on the subject, Noble said that four of every 10 international passengers are still not screened against the Interpol database, which produced more than 60,000 hits in 2012.