"Level #4 of flight 170331a"
20170331
  0   46.97170   13.26032     5631.4   20170331 080500  A        0.0      0.0
  1   47.11118   13.28676     5631.4   20170331 080630  I       10.9      0.0
  2   47.25065   13.31320     5631.4   20170331 080800   W       10.9      0.0