Passengers
should expect flight delays, diversions or cancellations, owing to poor
terminal visibility caused by the current harmattan haze, the Nigerian Civil
Aviation Authority, NCAA, has said.
The Director General of the agency, Harold
Demuren, said this on Monday in Lagos in an advisory circular he issued to all
pilots and airline operators.
It was made available to
aviation journalists by the agency’s spokesman, Sam Adurogboye.
“Where terminal visibility falls below the
prescribed weather minima, flights are bound to be delayed, diverted or
cancelled.
“This advisory circular is intended to
alert all pilots to the hazards of harmattan haze and it offers guidance to
help prevent accidents caused by this weather phenomenon.
“The airlines and their flight
crews should keep passengers informed of the situation and of the potential for
flight delays and possible cancellations. Safety considerations must always be
the highest priority,” Mr. Demuren said.
Mr.
Demuren said the harmattan haze was usually comparable to heavy fog, and could
considerably reduce air-to-ground visibility.
He
added that during this period, Aerodrome visibility might fall below the
prescribed minimal standard.
“And in severe conditions, dust
haze can blot out runways and markers over wide areas, making visual navigation
impossible”, he said.
Mr. Demuren advised pilots to
recognize harmattan haze as a hazard and exercise maximum restraint when the
condition was observed or forecast.
He said that it is mandatory
for all pilots to obtain weather briefing from the Nigerian Meteorological
Agency, NIMET.
“This should include departure,
en-route and destination weather information prior to flight operations”, he
said.
Flights coming in and out of
Lagos were last Friday delayed for several hours, owing to the harmattan haze.
[NAN]
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