Ran out of fuel and made an emergency landing in a field, came to rest inverted. Aircraft ran out of fuel and made emergency landing on a road. Engine lost power landed on access road. Wing hit pole. Pivoted into ditch.
Fuel gauges inop.
Selector empty tank. Fuel siphoning in-flight, visual streaking on top of wings behind caps. This is a 1973 aircraft set outside for about 6 years. The steel seats in the wing filler plates were badly rusted. Suspect cause by water seating between cap and seat either from rain or washing aircraft.