Aircraft Accident/Incident Report

Milford, Utah 84751
Thursday, April 14, 1988 15:26 MDT

NTSB Narrative Summary Released at Completion of Accident

THE PLT (WITH A RECENT INSTRUMENT RATING) RCVD A WX BRIEFING FM CEDAR CITY (CDC) FSS & FILED AN IFR FLT PLAN FM PROVO (PVU) TO ST GEORGE (SGU). CURRENT SGU WX WASN'T AVAILABLE, BUT WX FOR CDC (ABT 45 MI NNE) WAS PROVIDED. THE PLT WAS ADZDOF MOIST UNSTABLE AIR, RAIN, OBSCURED MTNS & CUMULUS CLOUDS ALONG THE ROUTE. ALSO, HE WAS ADZD OF A PIREP CONCERNING AN ENCTR WITH CLR ICG NR CDC AT 13,000'. APCHG MILFORD AT 11,000', THE PILOT CALLED CDC FSS & RCVD A WX UPDATE. CURRENT SGU WX WAS STILL NOT AVAILABLE, BUT HE WAS ADZD OF THUNDERSTORMS EN ROUTE. HE RETURNED TO ARTCC FREQ, GOT CLNC TO DESCEND TO 10,000', THEN TO CLIMB TO 12,000'. SOON THEREAFTER, RADIO AND RADAR CONTACT WERE LOST. SUBSEQUENTLY, THE ACFT BROKE UP IN FLT (WINGS & STABILIZERS SEPD) & WRECKAGE WAS SCATTERED OVER A 1-1/4 MI AREA. NO PRE-ACCIDENT CRACKS OR FATIGUE WAS FOUND. AN AIRCRAFT WAS SEEN FLYING INTO A WX CELL. GROUND WITNESSES THEN HEARD AN EXPLOSIVE NOISE AND SAW PARTS OF THE AIRCRAFT FALLING FM THE WX CELL. SOON THEREAFTER, PEA SIZE HAIL FELL FM THE CLOUD.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 4/14/1988
Event Day of the Week Thursday
Time of Event 1526
Event Time Zone Mountain Daylight Time
Event City MILFORD
Event State UTAH
Event Country --
Zipcode of the event site 84751
Event Date Year 1988
Event Date Month 4
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport
Event Location Nearest Airport ID
Indicates whether the acc/inc occurred off or on an airport Off Airport/Airstrip
Distance from airport in statute miles 0
Degrees magnetic from airport 0
Airport Elevation --
Weather Briefing Completeness Full
Investigator's weather source Witness
Time of the weather observation 0
Direction of event from weather observation facility (degrees) 0
Weather Observation Facility ID
Elevation of weather observation facility 0
Distance of event from weather observation facility (units?) 0
Time Zone of the weather observation
Lighting Conditions Day
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 0
Sky/Lowest/Cloud Conditions Unknown
Sky Condition for Lowest Ceiling Overcast
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 0
Air Temperature at event time (in degrees celsius) 8
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) 180
Variable Wind Indicator Unknown
Wind Speed (knots) 15
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 29
Density Altitude (feet) --
Intensity of Precipitation Moderate
METAR weather report --
Event Highest Injury Fatal
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal 1
Injury Total Minor --
Injury Total None --
Injury Total Serious --
Injury Total All 1
Investigating Agency NTSB
NTSB Docket Number (internal use) 976
NTSB Notification Source --
NTSB Notification Date Apr 14 1988 12:00AM
NTSB Notification Time 1600
Fiche Number and/or location -used to find docket information 36985
Date of most recent change to record Dec 13 2000 11:40AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N3850M
NTSB Number DEN88FA096
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed IFR
Flight plan Was Activated? --
Damage Destroyed
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name PIPER
Aircraft Model PA-28-161
Aircraft Series Identifier PA-28-161
Aircraft Serial Number 78 16380
Certified Max Gross Weight 2325
Aircraft Category Airplane
Aircraft Registration Class U.S. Registered/U.S. Soil
Aircraft is a homebuilt? No
Flight Crew Seats --
Cabin Crew Seats --
Passenger Seats --
Total number of seats on the aircraft 4
Number of Engines 1
Fixed gear or retractable gear Fixed
Aircraft, Type of Last Inspection Annual
Date of Last Inspection --
Airframe hours since last inspection --
Airframe Hours 2571
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name SYPHERD, SHAWN D. ET. AL
Aircraft Owner Street Address 842 E COLONY CIRCLE
Aircraft Owner City WASHINGTON
Aircraft Owner State UT
Aircraft Owner Country
Aircraft Owner Zipcode 84780
Operator is an individual? --
Operator Name SYPHERD, SHAWN D.
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address 842 E. COLONY CIRCLE
Operator City WASHINGTON
Operator State UT
Operator Country
Operator Zip code 84780
Operator Code
Owner has at least one certificate None
Other Operator of large aircraft? No
Certified for Part 133 or 137 Operation Unknown
Operator Certificate Number --
Indicates whether an air carrier operation was scheduled or not --
Indicates Domestic or International Flight --
Operator carrying Pax/Cargo/Mail --
Type of Flying (Per_Bus / Primary) Personal
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code PVU
Departure City PROVO
Departure State UT
Departure Country
Departure Time 1255
Departure Time Zone MDT
Destination Same as Local Flt --
Destination Airport Code SGU
Destination City ST GEORGE
Destination State UT
Destination Country
Specific Phase of Flight Cruise
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:35AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 0
Runway Length --
Runway Width --
Sight Seeing flight No
Air Medical Flight No
Medical Flight --