Boulder Airport
Aircraft Accident/Incident Report

Boulder, Colorado 80301
Sunday, November 20, 1983 15:20 MST

NTSB Narrative Summary Released at Completion of Accident

ACCORDING TO WITNESSES, THE PLT HAD MADE 3 ATTEMPTS TO LAND & DURING EACH ATTEMPT HE OVERSHOT HIS APPROACH & EXECUTED A GO-AROUND WITHOUT TOUCHING DOWN. ON THE FOURTH ATTEMPT HE DID TOUCH DOWN BUT APPEARED TO BE TOO FAST & THE ACFT SKIPPED & BOUNCED. AFTER PASSING HALFWAY DOWN THE 4,100 FT RWY, THE ACFT BEGAN PORPOISING & THE WINGS WERE ROCKING BACK & FORTH. JUST BEFORE REACHING THE END OF THE RWY, THE ACFT DRIFTED OFF THE RIGHT SIDE STRIKING A RWY LIGHT. THE WITNESSES HEARD THE ENG RPM INCREASE & THEY WATCHED THE ACFT STAGGER OFF THE GROUND UNTIL IT DISAPPEARED BEHIND A STEEP DROP-OFF ABOUT 300 FT FROM THE DEPARTURE END OF THE RWY. THE ACFT IMPACTED AT THE BOTTOM OF A RAVINE, FLIPPED OVER & IMMEDIATELY CAUGHT FIRE. TEN DAYS BEFORE THE ACCIDENT THE PLT RECEIVED A 1.6-HR CHECK-OUT IN THE ACFT. HE DID NOT FLY AGAIN UNTIL THE ACCIDENT FLT.

NTSB Probable Cause Narrative

Not Yet Reported

Event Information

Type of Event Accident
Event Date 11/20/1983
Event Day of the Week Sunday
Time of Event 1520
Event Time Zone Mountain Standard Time
Event City BOULDER
Event State COLORADO
Event Country --
Zipcode of the event site 80301
Event Date Year 1983
Event Date Month 11
MidAir Collision Indicator No
On Ground Collision occurred ? No
Event Location Latitude
Event Location Longitude
Event Location Airport BOULDER
Event Location Nearest Airport ID 1V5
Indicates whether the acc/inc occurred off or on an airport On Airport
Distance from airport in statute miles 0
Degrees magnetic from airport 0
Airport Elevation 5288
Weather Briefing Completeness Unknown
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 20000
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) 30
Air Temperature at event time (in degrees celsius) 7
Dew Point at event time (in degress fahrenheit) -18
Wind Direction (degrees magnetic) 100
Variable Wind Indicator Unknown
Wind Speed (knots) 5
Wind Velocity Indicator Unknown
Wind Gust Indicator Unknown
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 29
Density Altitude (feet) 5925
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 4
Injury Total Minor --
Injury Total None --
Injury Total Serious --
Injury Total All 4
Investigating Agency NTSB
NTSB Docket Number (internal use) 3014
NTSB Notification Source --
NTSB Notification Date --
NTSB Notification Time 0
Fiche Number and/or location -used to find docket information 23330
Date of most recent change to record Jan 2 2001 9:16AM
User who most recently changed record dbo
Basic weather conditions Visual Meteorological Cond
FAA District Office --

Aircraft Involved

Aircraft #1

Aircraft Registration Number N28420
NTSB Number DEN84FA027
Missing Aircraft Indicator N
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed None
Flight plan Was Activated? --
Damage Destroyed
Aircraft Fire Ground
Aircraft Explosion None
Aircraft Manufacturer's Full Name GRUMMAN AMERICAN
Aircraft Model AA-5B
Aircraft Series Identifier AA-5B
Aircraft Serial Number AA5B0601
Certified Max Gross Weight 2000
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 100 Hour
Date of Last Inspection Aug 28 1983 12:00AM
Airframe hours since last inspection 90
Airframe Hours 1446
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site Unknown
ELT Type --
Aircraft Owner Name MR. LYNN MASSA
Aircraft Owner Street Address P.O. BOX 2057
Aircraft Owner City ENGLEWOOD
Aircraft Owner State CO
Aircraft Owner Country
Aircraft Owner Zipcode 80161
Operator is an individual? --
Operator Name CASTLEWOOD AVIATION, INC.
Operator Same as Owner? No
Operator Is Doing Business As --
Operator Address Same as Owner? No
Operator Street Address 7355 S. PEORIA STREET
Operator City ENGLEWOOD
Operator State CO
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) Personal
Second Pilot on Board No
Departure Point Same as Event No
Departure Airport Code APA
Departure City ENGLEWOOD
Departure State CO
Departure Country
Departure Time 0
Departure Time Zone
Destination Same as Local Flt crash at destination city
Destination Airport Code
Destination City
Destination State
Destination Country
Specific Phase of Flight Landing
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 8
Runway Length 4100
Runway Width 75
Sight Seeing flight No
Air Medical Flight No
Medical Flight --