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-rw-r--r--src/lib/external_lgpl/tecs/tecs.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/lib/external_lgpl/tecs/tecs.cpp b/src/lib/external_lgpl/tecs/tecs.cpp
index d27bf776f..023bd71bf 100644
--- a/src/lib/external_lgpl/tecs/tecs.cpp
+++ b/src/lib/external_lgpl/tecs/tecs.cpp
@@ -238,7 +238,7 @@ void TECS::_update_height_demand(float demand, float state)
_hgt_dem_adj = demand;//0.025f * demand + 0.975f * _hgt_dem_adj_last;
_hgt_dem_adj_last = _hgt_dem_adj;
- _hgt_rate_dem = (_hgt_dem_adj-state)*_heightrate_p;
+ _hgt_rate_dem = (_hgt_dem_adj-state)*_heightrate_p + _heightrate_ff * (_hgt_dem_adj - _hgt_dem_adj_last)/_DT;
// Limit height rate of change
if (_hgt_rate_dem > _maxClimbRate) {
_hgt_rate_dem = _maxClimbRate;