Airlines operators will be forced to carry out additional checks while refuelling their aircraft nationwide.
This is coming against the backdrop of the rise in contaminated Aviation Kerosine popularly known as Jet A1 across Lagos, Kano and Abuja.
A development that led to the suspension of all Boeing 737 aircraft belonging to Max Air last week by the Nigerian Civil Aviation Authority, NCAA, after a huge volume of water was discovered in the fuel tank of one of its aircraft.
The authority had blamed the airlines and pilots of the development, insisting that they are responsible for the quality of fuel dispensed into their aircraft tanks.
In reaction to the incident, the Chairman of United Nigeria Airline, UNA, Prof. Obiora Okonkwo, called on the NCAA, to conduct more acceptable audit of the fuel suppliers across the country.
NCAA alerts airline on risk, hazards involve
Meanwhile, the NCAA in an All Operator's Letter, alerted operators of the risks and hazards associated with aircraft refuelling.
A team of investigators have been dispatched to Lagos, Kano and Abuja, where the airline had refueled prior to the incident.
The AOL085, signed by the Director of Airworthiness Standards of NCAA, Gbolahan Abatan, an engineer with reference number, NCAA/DAWS/AD.1104/A0L085, reads: "One of the most important topics in aviation safety is aircraft refueling safety procedures and precautions. It is the ground handling operation with the highest risk factor as compared to other operations,
"There have been many flight accidents in history caused by fuel contamination resulting in abnormal operation of aircraft engines. Water is a major contaminant, amongst others.
"In recent times, the NCAA has been receiving mandatory occurrence reports from airlines and other aircraft operators with issues related to water being found in the aircraft fuel tank of the aircraft.
"Of recent is the report of a significant amount of water drained from the fuel tank of
a Boeing 737 aircraft that had a fuel indication and gauge malfunction in-fight," the letter said
The NCAA, however, advised all airlines and operators to improve their refueling procedures as documented in their maintenance control manual refueling manual and fuel suppliers operation manual quality control manual
The procedures, it stated, include inspection of aircraft refueling equipment by ground staff with a visual inspection of fuel hose, gauges, tires and the overall body of the truck.
The NCAA also called for testing, and checking of jet fuel quality before refueling by ground staff with the primary concern being the presence of water in the fuel.
Audit aviation fuel suppliers now -- Okonkwo
Meanwhile, Okonkwo, while speaking at the sideline of the annual 'All Markets Conference of the Ndigboamaka Progressive Market Association' in Lagos, said the NCAA should only licence companies that meet the required standards to supply Jet A1 to airlines.
He said: "I would say the Nigerian Civil Aviation Authority (NCAA) should do a more acceptable audit of the fuel suppliers. We have been calling for the audit before now.
"They should be audited to ensure that anybody who has the permission to supply fuel to the operators complies with the rules. Operators do not have all it takes to audit and verify the fuel and they do not even have the power to enforce anything," he said.
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On the statement credited to the NCAA that airlines and pilots are responsible for the quality of fuel dispensed into their aircraft tanks, the airline chief said it is for the good of the airlines and crew to live up to expectation.
"I have said times without number that measures should be taken before you accept and pour the fuel into the aircraft, there are test parameters.
"As for Max Air, there is nothing absolutely to worry about. It can happen to any airline at any time. If there are questions from NCAA, it is left for them to give answers to the agency, which I m sure they will do."
He, however, appealed to NCAA to put in place more acceptable audits on the fuel suppliers, stressing that the airline operators had consistently canvassed this position.
