From 3714a0ef51f2e4b55494d2dd6cdb8be1334cffc9 Mon Sep 17 00:00:00 2001
From: torsten <torsten>
Date: Sun, 20 Sep 2009 15:46:05 +0000
Subject: [PATCH 1/1] Fix the temperature computation.

---
 src/Environment/environment.cxx | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Environment/environment.cxx b/src/Environment/environment.cxx
index f915e5261..edf3ef8c9 100644
--- a/src/Environment/environment.cxx
+++ b/src/Environment/environment.cxx
@@ -646,7 +646,7 @@ FGEnvironment::_recalc_sl_temperature ()
   double t_strato = ISA_def[1].temp - atmodel::freezing;
   if (temperature_degc < t_strato) temperature_sea_level_degc = t_strato;
   else temperature_sea_level_degc = 
-      temperature_degc - elevation_ft * ISA_def[0].lapse;
+      temperature_degc + elevation_ft * atmodel::foot * ISA_def[0].lapse;
 
 // Alternative implemenation:
 //  else temperature_sea_level_inhg = T_layer(0., elevation_ft * foot,
-- 
2.39.2