Thanks everybody for their replies.
Clearly the convention that AA refers to is not relevant…considering that BRNAV is mandatory for IFR anyway
Airborne_Again wrote:
Routes with names beginning with A, B, G, H, J, R, V, W are non-RNAV routes. That is, they can be flown using VOR and NDB navigation only.
Try that in France! There are many airway segments that cannot be navigated using radio navigation equipment but require either RNAV, radar vectors or DR. 
It may be because navaids have been decommissioned
H20 between KOVAK and DOMOD or A3 between DOMOD and MOTAL for example.
Peter wrote:
Those are airways… what is the issue?
Routes with names beginning with A, B, G, H, J, R, V, W are non-RNAV routes. That is, they can be flown using VOR and NDB navigation only. I wasn’t aware there were still such routes in (Central) Europe. For many years, Sweden only has RNAV routes. (Route names beginning with L, M, N, P, Q, T, Y, Z.)
Emir wrote:
Of course there are.
I don’t know why “of course”. RNAV is compulsory. Sweden doesn’t have a single one.
Of course there are.
The expression N0138F090 is necessary to specify the new flight level. The ICAO flight plan format makes it impossible to specify just the flight level. You have to throw in a speed also.
Are there still non-RNAV ATS routes in central Europe?
Those are airways… what is the issue?
C210_Flyer wrote:
EDSB N0138F090 STR5N STR R11 MOTAL A3 DOMOD H20 KOVAK H34 TUNAX DCT ARDOD DCT GODAN LFEQ
R11? A3? H20? H34? Are there still non-RNAV ATS routes in central Europe?
And what would in your opinion N01 mean?
138kt TAS
