Reconstructing the Last Moments of Downed Kenya Airways Flight 507

Capt. Francis Mbatia Wamwea of Kenya Airways Flight 507 judged the weather had improved sufficiently to permit departure for Nairobi, Kenya.


DOUALA, Cameroon --

Three jetliners sat ready for takeoff at Douala International Airport, their crews waiting for a massive thunderstorm to move away.

Just a few minutes past midnight, all three radioed air traffic control to check the weather report. They were told the storm would take another hour to dissipate, and the Cameroon Airlines and Royal Air Maroc crews opted to wait it out.

But Capt. Francis Mbatia Wamwea of Kenya Airways Flight 507, already delayed for an hour and carrying scores of passengers with onward connections to catch, judged the weather had improved sufficiently to permit departure for Nairobi, Kenya.

It was a fateful decision that investigators believe may have cost the lives of the nine crew and 105 passengers of Flight 507, which was ensnared in the raging storm this past Saturday and crashed into the jungle less than a minute after takeoff.

After Wamwea gave the go-ahead, the Kenyan Airways crew radioed the tower, pulled away from the gate and taxied toward Runway 12, heading roughly southwest from the airport.

Douala tower cleared the flight for takeoff at 1 a.m., instructing it to report on reaching 5,000 feet (1,500 meters).

The pilot acknowledged. It was not clear what time that final voice transmission was received from the Boeing 737-800.

The plane nose-dived into a swamp just 30 seconds after becoming airborne, killing all aboard. The passengers included Cameroonian merchants, an American AIDS expert, businesspeople from China, India and South Africa, a Tanzanian returning from peacekeeping duties in Ivory Coast, a U.N. refugee worker from Togo. Anthony Mitchell, a Nairobi-based correspondent for The Associated Press, was among the victims.

The six-month old plane was of the newest generation of the world's most popular airliner and has an excellent safety record. This is only the second time a 737-800 has crashed with the loss of all on board. Last September, an airliner belonging to Brazil's Gol airline collided in mid-air with an executive jet over the Amazon jungle.

One Cameroonian investigator and a government pilot assisting the probe, both speaking on condition of anonymity, said Wamwea's decision to depart into one of the violent tropical storms that regularly ravages parts of equatorial Africa during the rainy season was most likely the pivotal factor in a sequence of events that led to the crash in which all 114 aboard perished.

In Kenya Friday, Kenya Airways chief executive Titus Naikuni said investigators would have to make the final assessment. The probe was likely to take months.

"We don't want to start speculating here," he said. "So whether the pilot did the wrong thing or the right thing, I cannot answer that."

Flight crews are responsible for the decision whether to take off or land in bad weather, usually depending on guidelines prescribed by their airline. And while air traffic control can take measures to prevent flights, including closing down airports, such drastic measures are highly unusual outside the northern hemisphere where heavy winter snows can block runways and bring traffic to a standstill.

Douala airport is not equipped with weather radar, but the 737-800 is. Pilots routinely take off into stormy weather and then rely on radar to guide them around the towering cumulonimbus thunderheads that can cause structural damage to airframes.

Wamwea, 53, was an experienced flyer with about 8,500 hours on jets. He had joined Kenya Airways 20 years ago and enjoyed the reputation of a diligent and professional pilot.

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