--- /dev/null
+-record(x_plane_datum_speeds,
+ { vind_kias :: float() % 1
+ , vind_keas :: float() % 2
+ , vtrue_ktas :: float() % 3
+ , vtrue_ktgs :: float() % 4
+ % 5
+ , vind_mph :: float() % 6
+ , vtrue_mphas :: float() % 7
+ , vtrue_mphgs :: float() % 8
+ }).
+
+-record(x_plane_datum_pitch_roll_heading,
+ { pitch_deg :: float() % 1
+ , roll_deg :: float() % 2
+ , hding_true :: float() % 3
+ , hding_mag :: float() % 4
+ % 5
+ % 6
+ % 7
+ % 8
+ }).
+
+-record(x_plane_datum_lat_lon_alt,
+ { lat_deg :: float() % 1
+ , lon_deg :: float() % 2
+ , alt_ftmsl :: float() % 3
+ , alt_ftagl :: float() % 4
+ , on_runwy :: float() % 5
+ , alt_ind :: float() % 6
+ , lat_south :: float() % 7
+ , lat_west :: float() % 8
+ }).