Narrative:

Aircraft departed ZZZ approximately xa:16. Departure flight following to practice area. Pre-flight and briefing completed. Normal departure. Xa:28 annunciator indicated 2.5 gallons of fuel remaining. Immediately proceeded direct to ZZZ; with continued precipitous drop of fuel level. Engine quit at approximately 2000 ft. [Advised ATC]. Landed in parking lot. No injuries no damage to the plane.examination on landing revealed fuel leaking from the gascolator petcock. Prior to flight noticed that aircraft partner had drained 5 gallons of fuel from the freshly filled 16 gallon tank to calibrate it. The plane has a slide carburetor; and when the fuel is turned on it drips on the ground. The fuel was checked pre-flight but the petcock position was not visually checked. Aircraft had 11 gallons on board on take off.on landing spoke with partner and he said he did not close the petcock (drain valve) after draining the tank. From the cockpit it is not possible to visualize fuel leaking out.

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Original NASA ASRS Text

Title: Single Pilot reported an uneventful forced landing at parking lot due to fuel starvation.

Narrative: Aircraft departed ZZZ approximately XA:16. Departure flight following to practice area. Pre-flight and briefing completed. Normal departure. XA:28 Annunciator indicated 2.5 gallons of fuel remaining. Immediately proceeded direct to ZZZ; with continued precipitous drop of fuel level. Engine quit at approximately 2000 ft. [Advised ATC]. Landed in parking lot. No injuries no damage to the plane.Examination on landing revealed fuel leaking from the gascolator petcock. Prior to flight noticed that aircraft partner had drained 5 gallons of fuel from the freshly filled 16 gallon tank to calibrate it. The plane has a slide carburetor; and when the fuel is turned on it drips on the ground. The fuel was checked pre-flight but the petcock position was not visually checked. Aircraft had 11 gallons on board on take off.On landing spoke with partner and he said he did not close the petcock (drain valve) after draining the tank. From the cockpit it is not possible to visualize fuel leaking out.

Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.