diff --git a/api/schemas/flight.py b/api/schemas/flight.py
index c370a53..5332b15 100644
--- a/api/schemas/flight.py
+++ b/api/schemas/flight.py
@@ -70,7 +70,7 @@ class FlightCreateSchema(BaseModel):
 
     time_instrument: PositiveFloat
     time_sim_instrument: PositiveFloat
-    holds_instrument: PositiveFloat
+    holds_instrument: PositiveInt
 
     dual_given: PositiveFloat
     dual_recvd: PositiveFloat