NTSB Identification: NYC87FA250.
The docket is stored on NTSB microfiche number 35582.
Accident occurred Friday, September 11, 1987 in GAYLORDSVILLE, CT
Probable Cause Approval Date: 02/14/1989
Aircraft: PIPER PA-28-236, registration: N2186B
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.

THE PILOT OF THE PIPER PA-28-236 WAS CRUISING AT 6000 FT AT NIGHT WHEN HE REPORTED A FAILURE OF HIS VACUUM PUMP FOLLOWED BY LOSS OF HIS ATTITUDE INDICATOR AND DIRECTIONAL GYRO. THE AIRCRAFT WAS OBSERVED TO MAKE A 360 DEGREE TURN ON THE RADAR SCOPE. THE AIR TRAFFIC CONTROLLER ISSUED 'NO GYRO' RADAR VECTORS. THE AIRCRAFT WAS CLEARED FROM 6000 FT TO 5000 FT IN PREPARATION FOR AN INSTRUMENT APPROACH. THE PILOT ACKNOWLEDGED THE DESCENT CLEARANCE AND THEN THE AIRCRAFT DISAPPEARED FROM THE RADAR SCOPE. IT WAS FOUND SCATTERED OVER 1/2 MILE WITH BOTH HORIZONTAL STABILIZER AND THE VERTICAL STABILIZER SEPARATED FROM THE AIRCRAFT. THE PILOTS LOG BOOK INDICATED HE MET THE RECENCY OF EXPERIENCE REQUIRED BY 14 CFR 61.57. FOG WAS REPORTED IN THE AREA AND THE CLOSEST RECORDED WEATHER INDICATED A 900 FT CEILING WITH FOG.

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

VACUUM SYSTEM..FAILURE,TOTAL

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

DESIGN STRESS LIMITS OF AIRCRAFT..EXCEEDED..PILOT IN COMMAND

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

SPATIAL DISORIENTATION..PILOT IN COMMAND



Contributing Factors

WEATHER CONDITION..FOG


Contributing Factors

LIGHT CONDITION..NIGHT




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