19980816021039A

Accident · Destroyed

FAA accident report · Amrgen AA-1A · Erial, NJ · August 16, 1998

Date
August 16, 1998 · 19:42 local
Place
Erial, NJ
Phase of flight
Fcd/Prec Ldg From Cruise
Operating rules
General operating rules (Part 91)
Damage
Destroyed
Aircraft
N9364L
NTSB investigation
NTSBNYC98LA168
Reported as
Amrgen AA1A
Reported engine
Lycoming O235*
Fatal injuries
0
Pilot’s flight hours
735 total300 in this make and model200 in the last 90 days

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.

Acft crashed in a residential area. (-23) acft departed pne for a local flight, in the vicinity of Erial, NJ at 1500 feet MSL the engine started to run rought and then quit. The aircraft made an emergency landing in a field and then struck a telephone pole, with minor injuries to the pilot. The acft was demolished. Inspection of the engine at the scene desclosed a catostrapic failure of number two cylinder and attaching parts were tagged and sent to Lycoming for analysis. We will follow with an emended report when Lycoming completes their inspection. (.4) while at 1,500 feet, the engine developed a slight vibration. The pilot checked the fuel pump on, the mixture rich, and changed fuel tanks. The vibrations increased, and were accompanied by smoke. The pilot heard an explosive 'bang' and the cowling came up into his line of vision. Oil covered the pilot's side of the windscreen, and the engine was unable to maintain altitude. The airplane struck a telephone pole during the forced landing. Post flight inspection revealed a catastrophic failure of the engine's number two cylinder. Factory examination determined that the failure emanated from a rust pit on the outside of the cylinder wall. The cylinder, which was manufactured in July 1996, had 1,780 hours of service.

As the FAA filed it

ACFT CRASHED IN A RESIDENTIAL AREA. (-23) ACFT DEPARTED PNE FOR A LOCAL FLIGHT, IN THE VICINITY OF ERIAL, NJ AT 1500 FEET MSL THE ENGINE STARTED TO RUN ROUGHT AND THEN QUIT. THE AIRCRAFT MADE AN EMERGENCY LANDING IN A FIELD AND THEN STRUCK A TELEPHONE POLE, WITH MINOR INJURIES TO THE PILOT. THE ACFT WAS DEMOLISHED. INSPECTION OF THE ENGINE AT THE SCENE DESCLOSED A CATOSTRAPIC FAILURE OF NUMBER TWO CYLINDER AND ATTACHING PARTS WERE TAGGED AND SENT TO LYCOMING FOR ANALYSIS. WE WILL FOLLOW WITH AN EMENDED REPORT WHEN LYCOMING COMPLETES THEIR INSPECTION. (.4) WHILE AT 1,500 FEET, THE ENGINE DEVELOPED A SLIGHT VIBRATION. THE PILOT CHECKED THE FUEL PUMP ON, THE MIXTURE RICH, AND CHANGED FUEL TANKS. THE VIBRATIONS INCREASED, AND WERE ACCOMPANIED BY SMOKE. THE PILOT HEARD AN EXPLOSIVE 'BANG' AND THE COWLING CAME UP INTO HIS LINE OF VISION. OIL COVERED THE PILOT'S SIDE OF THE WINDSCREEN, AND THE ENGINE WAS UNABLE TO MAINTAIN ALTITUDE. THE AIRPLANE STRUCK A TELEPHONE POLE DURING THE FORCED LANDING. POST FLIGHT INSPECTION REVEALED A CATASTROPHIC FAILURE OF THE ENGINE'S NUMBER TWO CYLINDER. FACTORY EXAMINATION DETERMINED THAT THE FAILURE EMANATED FROM A RUST PIT ON THE OUTSIDE OF THE CYLINDER WALL. THE CYLINDER, WHICH WAS MANUFACTURED IN JULY 1996, HAD 1,780 HOURS OF SERVICE.

NTSB investigation

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