Aircraft Accident/Incident Report

Boone, Iowa 50036
Monday, September 2, 1985 11:30 CDT

NTSB Narrative Summary Released at Completion of Accident

AFTER DEPARTING LAPORTE CITY AIRPORT THE PLT OF THE ACFT PROCEEDED TO HIS DESTINATION AIRPORT DESPITE DETERIORATING WEATHER CONDITIONS AT THIS DESTINATION. THE PLT STATED HE SHOULD NOT HAVE PROCEEDED INTO POOR WEATHER CONDITIONS. WEATHER CONDITIONS AT THE AIRPORT AS REPORTED BY THE AIRPORT MANAGER WERE VISIBILITY LESS THAN 1/4 MILE IN FOG. AT THE TIME HE HEARED AND SAW THE ACFT. HE ALSO OBSERVED THE ACFT BANKED NEAR VERTICAL AS THE PLT ATTEMPTED TO MAKE A LANDING TO THE AIRPORT RUNWAY. THE ACFT WAS THEN OBSERVED DESCENDING UNTIL IMPACTING THE GROUND. THE PLT STATED HE DIDN'T REALIZE HE HAD STALLED THE ACFT.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 9/2/1985
Event Day of the Week Monday
Time of Event 1130
Event Time Zone Central Daylight Time
Event City BOONE
Event State IOWA
Event Country --
Zipcode of the event site 50036
Event Date Year 1985
Event Date Month 9
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 0
Weather Briefing Completeness Unknown
Investigator's weather source Weather Observation Facility
Time of the weather observation 1125 Central Daylight Time
Direction of event from weather observation facility (degrees) 355
Weather Observation Facility ID DSM
Elevation of weather observation facility 957
Distance of event from weather observation facility (units?) 30
Time Zone of the weather observation CDT
Lighting Conditions Day
Lowest Ceiling Height 800
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) 1
Air Temperature at event time (in degrees celsius) --
Dew Point at event time (in degress fahrenheit) --
Wind Direction (degrees magnetic) 150
Variable Wind Indicator Unknown
Wind Speed (knots) 10
Wind Velocity Indicator Unknown
Wind Gust Indicator Not Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 30
Density Altitude (feet) --
Intensity of Precipitation Unknown
METAR weather report --
Event Highest Injury Minor
On Ground, Fatal Injuries 0
On Ground, Minor Injuries 0
On Ground, Serious Injuries 0
Injury Total Fatal --
Injury Total Minor 3
Injury Total None --
Injury Total Serious --
Injury Total All 3
Investigating Agency NTSB
NTSB Docket Number (internal use) 1350
NTSB Notification Source --
NTSB Notification Date Sep 2 1985 12:00AM
NTSB Notification Time 1215
Fiche Number and/or location -used to find docket information 28709
Date of most recent change to record Jan 2 2001 9:15AM
User who most recently changed record dbo
Basic weather conditions Instrument Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N16LB
NTSB Number MKC85LA204
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name GRUMMAN
Aircraft Model AA5
Aircraft Series Identifier AA5
Aircraft Serial Number A5B-0988
Certified Max Gross Weight 2400
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 Apr 1 1985 12:00AM
Airframe hours since last inspection 49
Airframe Hours 361
ELT Installed Yes
ELT Activated Yes
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name LYLE L. BLAIR
Aircraft Owner Street Address
Aircraft Owner City PATON
Aircraft Owner State IA
Aircraft Owner Country
Aircraft Owner Zipcode 50217
Operator is an individual? --
Operator Name
Operator Same as Owner? Yes
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
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) Business
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code 6C8
Departure City LAPORTE CITY
Departure State IA
Departure Country
Departure Time 1030
Departure Time Zone CDT
Destination Same as Local Flt crash at destination city
Destination Airport Code BNW
Destination City BOONE
Destination State IA
Destination Country
Specific Phase of Flight Maneuvering
Report sent to ICAO? --
Evacuation occurred --
Date of most recent change to record Jan 2 2001 10:36AM
User who most recently changed record dbo
Since inspection or accident --
Event Location Runway Number and Location 0
Runway Length 0
Runway Width 0
Sight Seeing flight No
Air Medical Flight No
Medical Flight --