NTSB Identification: CHI87FA069.
The docket is stored on NTSB microfiche number 33994.
Nonscheduled 14 CFR
Accident occurred Thursday, January 29, 1987 in BEDFORD PARK, IL
Probable Cause Approval Date: 08/19/1988
Aircraft: CESSNA 210N, registration: N4968C
Injuries: 1 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.

JUST BFR TKOF FM RWY 22L ON A NGT IFR FLT, THE PLT WAS CLRD TO CLB & MAINT 2000' & TO CONTACT CHICAGO DEP CTL (TRACON). ABOUT 1 MIN LATER, HE CALLED TRACON & RPRTD HE WAS CLBG THRU 900' FOR 2000'. THIS CALL WAS IN A NORMAL TONE OF VOICE & WAS THE LAST TRANSMISSION FM THE ACFT. SHORTLY THEREAFTER, RADIO & RADAR CONTACT WERE LOST. SUBSEQUENTLY, THE ACFT CRASHED IN A STEEP DSCNT APRX 6000' SOUTH OF THE ARPT & 3200' LEFT OF THE EXTDD RWY CTRLN. THE LAST OF 4 RADAR 'HITS' SHOWED THE ACFT HAD CLBD TO 1300' MSL (ABOUT 700' AGL) BFR THE ACDNT. NO PREIMPACT ENG OR FLT CTL PRBLM WAS FND THAT WOULD HAVE RESULTED IN THE ACDNT, BUT THERE WERE 4 OPEN 'WRITE-UPS' DATED 1/27/87 THAT CONCERNED COCKPIT & INSTRUMENT LGTG. THESE INCLUDED: LEFT SIDE (PLT'S) OVERHEAD FLOOD LGT INOP, PANEL FLOOD LGTS INOP, INTERIOR LGTG CTL KNOB CONSTANT-LY FALLING OFF, PANEL POST LGTS EITHER FULL ON OR OFF. FOR CARGO OPNS, THE MAINT SYS ALLOWED DISCREPANCIES TO BE DELAYEDFOR UP TO SVRL DAYS UNTIL THE ACFT WAS RTRND TO THE HOME BASE.

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

REASON FOR OCCURRENCE UNDETERMINED


Contributing Factors

INSTRUMENT LIGHT(S)..ERRATIC


Contributing Factors

FLIGHT COMPARTMENT LIGHT(S)..FAILURE,PARTIAL


Contributing Factors

MAINTENANCE..DELAYED


Contributing Factors

PROCEDURE INADEQUATE..COMPANY/OPERATOR MANAGEMENT


Contributing Factors

LIGHT CONDITION..DARK NIGHT


Contributing Factors

WEATHER CONDITION..LOW CEILING


Contributing Factors

WEATHER CONDITION..FOG


Contributing Factors

WEATHER CONDITION..RAIN


Contributing Factors

WEATHER CONDITION..ICING CONDITIONS


Contributing Factors

OPERATION WITH KNOWN DEFICIENCIES IN EQUIPMENT..PERFORMED..PILOT IN COMMAND

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