EAW1.28e got some nice addonsetups prepacked, i thought you might use one of them.
ETO_01 = European setup with different plane sets etc.
SAW = Spanish Air War(civil war time).
SPAW = South Pacific Air War.
DAW = Desert Air War.
With the default EAW1.28e setup i cant reproduce your problem, sorry.
1st engined flight by Richard Pearse, Waitohi, New Zealand, March 31, 1902. Karl Jatho, 1st flight, 18.August 1903, Hannover-Vahrenheide, real controlled flights.
The Wrights, 1st flight, 17. December 1903. They wasnt the 1st, but still claim this!