NTSB Identification: LAX86LA117.
The docket is stored on NTSB microfiche number 33114.
Accident occurred Tuesday, February 11, 1986 in ONTARIO, CA
Probable Cause Approval Date: 04/25/1988
Aircraft: CESSNA 172P, registration: N55386
Injuries: 2 Uninjured.

NTSB investigators may not have traveled in support of this investigation and used data provided by various sources to prepare this aircraft accident report.

THE OWNER/PLT (PIC) WAS ON A FLT FOR NIGHT & INSTRUMENT CURRENCY REQUIREMENTS. HE WAS FLYING THE ACFT FROM THE LEFT FRONT SEAT WHILE A COMMERCIAL PLT (CP) WAS OCCUPYING THE RGT FRONT SEAT. DRG AN ILS RWY 26L FINAL APCH AT ONTARIO, CA, THE PIC & CP DISCUSSED A CONSTANT 'ON GLIDE SLOPE' INDICATION & ELECTED TO MAKE A LOCALIZER ONLY APCH. THE CP MISTAKENLYSELECTED AN INCORRECT APCH PLATE & ADVISED THE PIC THAT THE MIN DSCNT ALT (MDA) WAS 1060'. THE ACTUAL MDA FOR THE APCH WAS 1240'. WHILE THEY WERE DISCUSSING THE ALT, THE ACFT DSCNDD & STRUCK ELEC TRANSMISSION LINES AT AN ELEV OF 992'. THE ACFT BECAME ENTANGLED IN THE LINES & REMAINED SUSPENDED FOR 4 HRS BEFORE THE PLTS WERE RESCUED.

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

IN-FLIGHT PLANNING/DECISION..IMPROPER

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

PLANNED APPROACH..NOT IDENTIFIED..OTHER CREWMEMBER

The National Transportation Safety Board determines the probable cause(s) of this accident to be:

MINIMUM DESCENT ALTITUDE..NOT MAINTAINED..PILOT IN COMMAND


Contributing Factors

COMM/NAV EQUIPMENT,LOCALIZER RECEIVER..FAILURE,PARTIAL


Contributing Factors

LIGHT CONDITION..DARK NIGHT


Contributing Factors

OBJECT..WIRE,TRANSMISSION

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