return;
FGNasalSys *nas = (FGNasalSys *)globals->get_subsystem("nasal");
- if (!nas)
+ if (!nas) {
+ SG_LOG(SG_NASAL, SG_ALERT, "Trying to run an <unload> script "
+ "without Nasal subsystem present.");
return;
+ }
if (_unload) {
const char *s = _unload->getStringValue();