diff --git a/scripts/exgdas_enkf_sfc.sh b/scripts/exgdas_enkf_sfc.sh
index 407a6097a..ccb440572 100755
--- a/scripts/exgdas_enkf_sfc.sh
+++ b/scripts/exgdas_enkf_sfc.sh
@@ -128,9 +128,9 @@ else
 fi
 
 if [ $DONST = "YES" ]; then
-    export NST_FILE=${NST_FILE:-$COMIN/${APREFIX}dtfanl.nc}
+    export GSI_FILE=${GSI_FILE:-$COMIN/${APREFIX}dtfanl.nc}
 else
-    export NST_FILE="NULL"
+    export GSI_FILE="NULL"
 fi
 
 export APRUNCY=${APRUN_CYCLE:-$APRUN_ESFC}
diff --git a/scripts/exglobal_atmos_analysis.sh b/scripts/exglobal_atmos_analysis.sh
index dc7701d2f..fbaaa5175 100755
--- a/scripts/exglobal_atmos_analysis.sh
+++ b/scripts/exglobal_atmos_analysis.sh
@@ -1021,9 +1021,9 @@ if [ $DOGCYCLE = "YES" ]; then
     fi
 
     if [ $DONST = "YES" ]; then
-        export NST_FILE=${NST_FILE:-$COMOUT/${APREFIX}dtfanl.nc}
+        export GSI_FILE=${GSI_FILE:-$COMOUT/${APREFIX}dtfanl.nc}
     else
-        export NST_FILE="NULL"
+        export GSI_FILE="NULL"
     fi
 
     if [ $DOIAU = "YES" ]; then
diff --git a/src/gsi/aircraftinfo.f90 b/src/gsi/aircraftinfo.f90
index b84455f47..a29f1571b 100644
--- a/src/gsi/aircraftinfo.f90
+++ b/src/gsi/aircraftinfo.f90
@@ -57,7 +57,7 @@ module aircraftinfo
   logical :: cleanup_tail ! logical to remove tail number no longer used
   logical :: upd_aircraft ! indicator if update bias at 06Z & 18Z
   
-  integer(i_kind), parameter :: max_tail=10000  ! max tail numbers
+  integer(i_kind), parameter :: max_tail=100000  ! max tail numbers
   integer(i_kind) npredt          ! predictor number
   integer(i_kind) ntail           ! total tail number
   integer(i_kind) ntail_update    ! new total tail number