do you use firefox? If so.. install this.
https://addons.mozilla.org/en-US/firefox/addon/3905
It is an .exif viewer. Any picture that still retains the Exif information can be viewed by simply right clicking and going to View Link Exif Data.
Some picture hosts strip the data but you will be surprised all the information you can find that is stored in a picture.
Anywho.. just a general comment. Your helicopter pictures would have benefited from using your flash. Try using your flash more during the day as filler light.