19950707017139A

Accident · Destroyed

FAA accident report · Amtr Firststrike · Burlington, IA · July 7, 1995

Date
July 7, 1995 · 12:30 local
Place
Burlington, IA
Airport
Burlington Municipal
Phase of flight
Forced Landing
Operating rules
General operating rules (Part 91)
Damage
Destroyed
Aircraft
N412LF
NTSB investigation
NTSBCHI95LA211
Reported as
Amtr Firststrike
People aboard
1
Fatal injuries
1

From the FAA’s Accident/Incident Data System (AIDS), through its Aviation Safety Information Portal, as reported. The NTSB investigates accidents separately, and its record of an accident is the fuller one. The aircraft is matched to the registry by N-number and event date, checked against the reported make and model; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.

What happened

The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.

Found inverted in a corn field. (.4)the damaged airplane was found at a location that correlated with a right downwind for runway 18. There were indications that it had collided with trees during a forced landing, then impacted the ground. Initial impact was with a 30 foot tree. Investigation did not be determined how long the airplane had been airborne before the accident. There was no damage to the propeller. The fuel tank had ruptured during impact. The engine and flight controls had continuity. Inspection revealed that the copper fuel line from the carburetor to the strainer was broken at the carburetor ferrule fitting, in an area immediately adjacent to a ferrule nut. Examination of the fracture surface revealed fine crack arrest markings, indicative of fatigue. The fatigue cracking originated on the outside surface of the tube.

As the FAA filed it

FOUND INVERTED IN A CORN FIELD. (.4)THE DAMAGED AIRPLANE WAS FOUND AT A LOCATION THAT CORRELATED WITH A RIGHT DOWNWIND FOR RUNWAY 18. THERE WERE INDICATIONS THAT IT HAD COLLIDED WITH TREES DURING A FORCED LANDING, THEN IMPACTED THE GROUND. INITIAL IMPACT WAS WITH A 30 FOOT TREE. INVESTIGATION DID NOT BE DETERMINED HOW LONG THE AIRPLANE HAD BEEN AIRBORNE BEFORE THE ACCIDENT. THERE WAS NO DAMAGE TO THE PROPELLER. THE FUEL TANK HAD RUPTURED DURING IMPACT. THE ENGINE AND FLIGHT CONTROLS HAD CONTINUITY. INSPECTION REVEALED THAT THE COPPER FUEL LINE FROM THE CARBURETOR TO THE STRAINER WAS BROKEN AT THE CARBURETOR FERRULE FITTING, IN AN AREA IMMEDIATELY ADJACENT TO A FERRULE NUT. EXAMINATION OF THE FRACTURE SURFACE REVEALED FINE CRACK ARREST MARKINGS, INDICATIVE OF FATIGUE. THE FATIGUE CRACKING ORIGINATED ON THE OUTSIDE SURFACE OF THE TUBE.

NTSB investigation

The NTSB’s investigation of this event, with its probable cause and findings. Matched to this report by N-number and date.