I was able to create Bermuda Dunes airport from Rodeo's AC3D tutorials. The runway decals don't show on the runway. Here's a screenshot and the .tsc file.
<[file][][]
<[tmsimulator_scenery_place][][]
<[string8][type][airport]>
<[string8][sname][Bermuda Dunes]>
<[string8][lname][Bermuda Dunes Airport]>
<[string8][icao][KUDD]>
<[string8][country][USA]>
<[string8][coordinate_system][lonlat]>
<[vector2_float64][position][-116.277338 33.749089]>
<[float64][height][22]>
<[float64][size][5000]>
<[vector2_float64][tower_position][-116.278938 33.749104]>
<[float64][tower_height][30]>
<[bool][autoheight][true]>
<[string8][autoheight_method][]>
<[list_tmsimulator_scenery_object][objects][]
<[tmsimulator_scenery_object][element][0]
<[string8][type][ground]>
<[string8][geometry][bermuda_rwy]>
<[vector3_float64][position][-116.277338 33.749089 0]>
<[float64][orientation][0]>
<[int32][autoheight_override][-1]>
>
<[tmsimulator_scenery_object][element][1]
<[string8][type][decal]>
<[string8][geometry][bermuda_decal]>
<[vector3_float64][position][-116.277338 33.749089 0]>
<[float64][orientation][0]>
<[int32][autoheight_override][-1]>
>
>
<[list_tmsimulator_scenery_object_animated][objects_animated][]
>
<[list_tmsimulator_runway][runways][]
<[tmsimulator_runway][element][0]
<[vector2_float64][endpoint1][-116.282317 33.751457]>
<[vector2_float64][endpoint2][-116.268276 33.745789]>
<[vector2_float64][threshold1][-116.282317 33.751457]>
<[vector2_float64][threshold2][-116.268276 33.745789]>
<[float64][width][21]>
<[string8][name1][10]>
<[string8][name2][28]>
<[string8][appltsys1][rail]>
<[string8][appltsys2][rail]>
<[string8][papi1][right]>
<[string8][papi2][left]>
<[bool][papi1_has_custom_position][false]>
<[bool][papi2_has_custom_position][false]>
<[vector2_float64][papi1_custom_position][0 0]>
<[vector2_float64][papi2_custom_position][0 0]>
<[float64][papi1_glide_slope][3]>
<[float64][papi2_glide_slope][3]>
<[float64][papi1_spacing][6]>
<[float64][papi2_spacing][6]>
<[string8][reil1][none]>
<[string8][reil2][none]>
>
>
<[list_tmsimulator_helipad][helipads][]
>
<[list_tmsimulator_startposition][start_positions][]
>
<[list_tmsimulator_parking_position][parking_positions][]
<[tmsimulator_parking_position][element][0]
<[vector2_float64][position][-116.269745 33.744898]>
<[float64][heading][270]>
<[string8][name][Start Position #1]>
>
>
<[list_tmsimulator_view_position][view_positions][]
>
<[list_tmsimulator_scenery_cultivation][cultivation_files][]
<[tmsimulator_scenery_cultivation][element][0]
<[string8][filename][kudd]>
<[string8][building_textures_folder][]>
<[bool][auto_height][true]>
>
>
>
>