The ultimatum was issued by the National Union of Air Transport Employees (NUATE) and Air Transport Senior Staff Services of Nigeria (ATSSSAN) on Sunday in Lagos.
The unions accused the NCAA management of nonchalance in the promotion of their members which they claimed had been due since January 2015.
NUATE General-Secretary, Mr Olayinka Abioye, told aviation correspondents that the unions were prepared to ground activities in the sector if the concerned authority failed to yield to their requests.
Abioye said that it was a worrisome development that those that were due for promotion were yet to be interviewed.
He recalled that NUATE had, at its congress on Sept.30, given the management till Oct.14 to effect the promotion of the concerned workers.
Abioye urged the management of NCAA to respect the terms and conditions of employment as contained in the condition of service entered into by all parties. (NAN)
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