CGNS type (includes all grid, connectivity, and BC information)
         .cgns = CGNS file (see www.cgns.org for details)

belly: 1-2
flap: 3-15
farfield: 16-20
ftf1: 21-57
ftf2: 58-94
ftf3: 95-136
ftf4: 137-148
ftf5: 149-158
pylon: 159-168
fuselage: 169
slat1: 170-186
slat2: 187-206
slattrack1: 207-210
slattrack2: 211-214
slattrack3: 215-218
slattrack4: 219-222
slattrack5: 223-226
slattrack6: 227-230
slattrack7: 231-234
slattrack8: 235-238
sym: 239
nacelle1: 240-243
nacelle2: 244-248
wing: 249-270