What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
Acft oil cap came loose on take-off, the acft temperature began rising, the pilot started to return to the arpt and made an emergency landing on the side of the rwy in soft dirt, and the acft sustained substantial damage on landing, other circumstances are unknown. (.19) on June 17, 1999, approximately 1534 pacific daylight time, a ryan navion b, N870DR, was substantially damaged in an off-runway landing at Klamath Falls, Oregon, after the pilot noted oil coming from the engine area after takeoff and turned back to the airport. The private pilot-in-command of the aircraft, who was its sole occupant, was not injured in the accident. Visual meteorological conditions were reported at Klamath Falls at 1553, and no flight plan had been filed for the 14 CFR 91 personal flight. The landing following the pilot's turn back to the airport was in soft dirt on the side of the runway. The aircraft's landing gear collapsed during the landing. The pilot reported to an FAA inspector that he had forgotten to replace the oil cap after adding oil to the engine. (-23)after takeoff at Klamath Falls airport, pilot noticed oil coming from engine area under cowling. Pilot turned back to airfield and landing in soft dirt at side of runway. Landing gear collapsed. Substantial damage, no injuries. Pilot forgot to replace oil cap after adding oil to engine.
As the FAA filed it
ACFT OIL CAP CAME LOOSE ON TAKE-OFF, THE ACFT TEMPERATURE BEGAN RISING, THE PILOT STARTED TO RETURN TO THE ARPT AND MADE AN EMERGENCY LANDING ON THE SIDE OF THE RWY IN SOFT DIRT, AND THE ACFT SUSTAINED SUBSTANTIAL DAMAGE ON LANDING, OTHER CIRCUMSTANCES ARE UNKNOWN. (.19) ON JUNE 17, 1999, APPROXIMATELY 1534 PACIFIC DAYLIGHT TIME, A RYAN NAVION B, N870DR, WAS SUBSTANTIALLY DAMAGED IN AN OFF-RUNWAY LANDING AT KLAMATH FALLS, OREGON, AFTER THE PILOT NOTED OIL COMING FROM THE ENGINE AREA AFTER TAKEOFF AND TURNED BACK TO THE AIRPORT. THE PRIVATE PILOT-IN-COMMAND OF THE AIRCRAFT, WHO WAS ITS SOLE OCCUPANT, WAS NOT INJURED IN THE ACCIDENT. VISUAL METEOROLOGICAL CONDITIONS WERE REPORTED AT KLAMATH FALLS AT 1553, AND NO FLIGHT PLAN HAD BEEN FILED FOR THE 14 CFR 91 PERSONAL FLIGHT. THE LANDING FOLLOWING THE PILOT'S TURN BACK TO THE AIRPORT WAS IN SOFT DIRT ON THE SIDE OF THE RUNWAY. THE AIRCRAFT'S LANDING GEAR COLLAPSED DURING THE LANDING. THE PILOT REPORTED TO AN FAA INSPECTOR THAT HE HAD FORGOTTEN TO REPLACE THE OIL CAP AFTER ADDING OIL TO THE ENGINE. (-23)AFTER TAKEOFF AT KLAMATH FALLS AIRPORT, PILOT NOTICED OIL COMING FROM ENGINE AREA UNDER COWLING. PILOT TURNED BACK TO AIRFIELD AND LANDING IN SOFT DIRT AT SIDE OF RUNWAY. LANDING GEAR COLLAPSED. SUBSTANTIAL DAMAGE, NO INJURIES. PILOT FORGOT TO REPLACE OIL CAP AFTER ADDING OIL TO ENGINE.
NTSB investigation
The NTSB’s investigation of this event, with its probable cause and findings. Matched to this report by N-number and date.