2 8 - 2 0 0 0 s ▁the ▁air line ▁had ▁in ▁operation , ▁was ▁placed ▁in ▁late ▁ 1 9 7 8 . ▁A ▁contract ▁similar ▁to ▁the ▁one ▁signed ▁with ▁T WA ▁in ▁ 1 9 7 2 ▁was ▁signed ▁with ▁K LM ▁in ▁, ▁this ▁time ▁for ▁a ▁period ▁of ▁two ▁years . ▁It ▁was ▁mostly ▁aim ed ▁at ▁training ▁Niger ia ▁Air ways ' ▁employees ▁in ▁air line ▁management ▁in ▁order ▁to ▁make ▁the ▁air line ▁efficient ▁and ▁prof itable . ▁ ▁A ▁service ▁to ▁Jed d ah ▁was ▁launched ▁in ▁ 1 9 8 0 . ▁By ▁, ▁the ▁fleet ▁consisted ▁of ▁ 2 6 ▁aircraft , ▁split ▁into ▁three ▁Bo eing ▁ 7 0 7 - 3 2 0 C s , ▁two ▁Bo eing ▁ 7 2 7 - 2 0 0 s , ▁two ▁Bo eing ▁ 7 3 7 - 2 0 0 s , ▁two ▁DC - 1 0 - 3 0 s , ▁two ▁F 2 7 - 2 0 0 s , ▁two ▁F 2 7 - 4 0 0 M s , ▁four ▁F 2 7 - 6 0 0 s , ▁six ▁F 2 8 - 2 0 0 0 s , ▁two ▁F 2 8 - 4 0 0 0 s , ▁and ▁one ▁Az te c . ▁The ▁two ▁DC - 1 0 s ▁were ▁purchased ▁for ▁c ash . ▁Niger ia ▁Air ways ▁became ▁Air bus ' ▁ 4 0 th ▁customer ▁in ▁ 1