We had a dead battery on the first airplane so it took another 40 minutes to get a second out. Did instrument training under the hood, and realized late I had not started Naviator. Darn. Here you see a couple Touch and Goes at LaPorte airport, and then we went back to Ellington field to land on runway 04. That was a tad weird. We usually use 17-35. Select "VFR TAC" on the map to see the runway's and chart I use.