Bryant Field Airport
Aircraft Accident/Incident Report

Bridgeport, California 93517
Sunday, June 21, 1987 1:33 PDT

NTSB Narrative Summary Released at Completion of Accident

THE FLT CONDITIONS FOR THE AIR AMBULANCE TRIP CONSISTED OF A CLEAR, MOONLESS, DARK NIGHT AND THE DEST ARPT WAS IN A MTN VALLEY WITH THE ONLY GROUND REFERENCE LIGHTS THE TOWN ADJACENT TO THE ARPT. WITNESSES SAW THE ACFT OVERFLY THE TOWN AND ARPT AT PATTERN ALT THEN HEAD OUT OVER THE LAKE NORTH OF THE ARPT. ABOUT 1 MILE FROM THE RWY, THE ACFT WAS SEEN TO SUDDENLY PITCH UP, ROLL INVERTED AND DIVE STRAIGHT DOWN INTO THE LAKE. THE ACFT WAS HEADING AWAY FROM THE ONLY GND REF LIGHTS AND WAS OVER A REFLECTIVE BODY OF WATER NEAR THE BASE TURN POINT WHEN THE ACCIDENT OCCURRED. WITNESSES HEARD INCREASED ENG/PROP NOISE BEFORE IMPACT. WRECKAGE REVEALED EVIDENCE OF PWR AT IMPACT. THE SHIFTS FOR THE PLTS IN THE OPERATION CONSISTED OF 4 DAYS ON, 2 DAYS OFF, WITH ALTERNATING DAY AND NIGHT SHIFTS. THE PLT WAS ON THE 4TH NIGHT OF THE CURRENT SHIFT CYCLE AND WAS ALSO GIVING FLT INSTRUCTION DURING THE DAYS.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 6/21/1987
Event Day of the Week Sunday
Time of Event 133
Event Time Zone Pacific Daylight Time
Event City BRIDGEPORT
Event State CALIFORNIA
Event Country --
Zipcode of the event site 93517
Event Date Year 1987
Event Date Month 6
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport BRYANT FIELD
Event Location Nearest Airport ID 057
Indicates whether the acc/inc occurred off or on an airport Off Airport/Airstrip
Distance from airport in statute miles 1
Degrees magnetic from airport 323
Airport Elevation 6468
Weather Briefing Completeness Not pertinent
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 Night/Dark
Lowest Ceiling Height 0
Lowest Non-Ceiling Height 0
Sky/Lowest/Cloud Conditions Clear
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) 0
Visibility Runway Visual Value (Statute Miles) 0
Visibility (Statute Miles) 20
Air Temperature at event time (in degrees celsius) 10
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) 0
Variable Wind Indicator Unknown
Wind Speed (knots) 0
Wind Velocity Indicator Calm
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) --
Density Altitude (feet) --
Intensity of Precipitation Unknown
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 2
Injury Total Minor --
Injury Total None --
Injury Total Serious --
Injury Total All 2
Investigating Agency NTSB
NTSB Docket Number (internal use) 2426
NTSB Notification Source --
NTSB Notification Date Jun 21 1987 12:00AM
NTSB Notification Time 420
Fiche Number and/or location -used to find docket information 36425
Date of most recent change to record Dec 13 2000 2:29PM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N662DM
NTSB Number LAX87FA239
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 135: Air Taxi & Commuter
Type of Flight Plan filed Company VFR
Flight plan Was Activated? --
Damage Destroyed
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name ROCKWELL
Aircraft Model 690
Aircraft Series Identifier 690
Aircraft Serial Number 11015
Certified Max Gross Weight 10250
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 5
Number of Engines 2
Fixed gear or retractable gear Retractable
Aircraft, Type of Last Inspection Continuous Airworthiness
Date of Last Inspection Jun 2 1987 12:00AM
Airframe hours since last inspection 37
Airframe Hours 5234
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name IPM TECHNOLOGY
Aircraft Owner Street Address P. O. BOX 12160
Aircraft Owner City RENO
Aircraft Owner State NV
Aircraft Owner Country
Aircraft Owner Zipcode 89510
Operator is an individual? --
Operator Name
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? Yes
Operator Street Address
Operator City
Operator State
Operator Country
Operator Zip code
Operator Code IPMA
Owner has at least one certificate Yes - certificate holder
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 Non-scheduled
Indicates Domestic or International Flight Domestic
Operator carrying Pax/Cargo/Mail Passenger Only
Type of Flying (Per_Bus / Primary) Unknown
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code RNO
Departure City RENO
Departure State NV
Departure Country
Departure Time 104
Departure Time Zone PDT
Destination Same as Local Flt crash at destination city
Destination Airport Code 057
Destination City
Destination State
Destination Country
Specific Phase of Flight Descent
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 16
Runway Length 4400
Runway Width 60
Sight Seeing flight No
Air Medical Flight No
Medical Flight --