NTSB Identification: LAX84FA277.
The docket is stored on NTSB microfiche number 24707.
Accident occurred Tuesday, May 01, 1984 in UKIAH, CA
Aircraft: PIPER PA-23-250, registration: N63813
Injuries: 3 Fatal.

NTSB investigators either traveled in support of this investigation or conducted a significant amount of investigative work without any travel, and used data obtained from various sources to prepare this aircraft accident report.

DURING ARRIVAL, THE PLT WAS CLEARED FOR A LOC/DME RWY 15 APCH TO THE UKIAH ARPT. AT 1307 PDT, HE BEGAN THE APCH AT THE TUCCI INTERSECTION, 15.5 MI NORTH OF THE RWY. AT 1311:04 THE LAST RADAR CONTACT SHOWED THAT THE ACFT WAS ABOUT 5 MI NORTH OF THE ARPT. AT 1313, THE UKIAH FSS PERSONNEL REQUESTED THE ACFT'S POSITION & THE PLT REPORTED THAT HE WAS 5.5 MI ON THE DME (5.5 MI NORTH OF THE ARPT). THERE WERE NO FURTHER COMMUNICATIONS WITH THE ACFT. SUBSEQUENTLY, IT CRASHED ON RISING MOUNTAINOUS TERRAIN ABOUT 4 MI SOUTH OF THE ARPT AT AN ELEVATION OF 200 FT. AN INVESTIGATION REVEALED THAT THE DME WAS SELECTED TO THE #2 NAV RECEIVER WHICH WAS TUNED TO THE UKIAH VOR, LOCATED ABOUT 6 MI SOUTH-SOUTHEAST OF THE ARPT. FOR THE APCH, THE DME SHOULD HAVE BEEN SELECTED ON THE #1 NAV RECEIVER WHICH WAS TUNED TO THE LOC/DME AT THE ARPT. THE 1324 WX AT UKIAH WAS 1000 FT OBSCURED, VISIBILITY 1 1/2 MI WITH LIGHT RAIN & FOG, WIND 130 DEG AT 8 KTS.

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

IFR PROCEDURE..IMPROPER..PILOT IN COMMAND


Contributing Factors

WEATHER CONDITION..LOW CEILING


Contributing Factors

WEATHER CONDITION..RAIN


Contributing Factors

WEATHER CONDITION..FOG


Contributing Factors

TERRAIN CONDITION..MOUNTAINOUS/HILLY


Contributing Factors

TERRAIN CONDITION..RISING

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