Boerne Stage Air Field Airport
Aircraft Accident/Incident Report

Boerne, Texas 78006
Thursday, April 22, 2004 16:15 CDT

NTSB Narrative Summary Released at Completion of Accident

The airplane collided with a road grader after landing on the 4,000-foot runway. The 15,000-hour pilot reported that the grader had been operating in the vicinity for several days and he had "grown accustomed to seeing it" and was not alarmed by its presence on the airport near the runway.

NTSB Probable Cause Narrative

The pilot's inattentive planned approach to land on a runway with obstructions.

Event Information

Type of Event Accident
Event Date 4/22/2004
Event Day of the Week Thursday
Time of Event 1615
Event Time Zone Central Daylight Time
Event City Boerne
Event State TEXAS
Event Country --
Zipcode of the event site 78006
Event Date Year 2004
Event Date Month 4
MidAir Collision Indicator No
On Ground Collision occurred ? Yes
Event Location Latitude 294324N
Event Location Longitude 0984141W
Event Location Airport Boerne Stage Air Field
Event Location Nearest Airport ID 5C1
Indicates whether the acc/inc occurred off or on an airport On Airport
Distance from airport in statute miles --
Degrees magnetic from airport --
Airport Elevation 1380
Weather Briefing Completeness Full
Investigator's weather source Weather Observation Facility
Time of the weather observation 1553 Central Daylight Time
Direction of event from weather observation facility (degrees) 134
Weather Observation Facility ID SAT
Elevation of weather observation facility 818
Distance of event from weather observation facility (units?) 16
Time Zone of the weather observation CDT
Lighting Conditions Day
Lowest Ceiling Height --
Lowest Non-Ceiling Height 4600
Sky/Lowest/Cloud Conditions Scattered
Sky Condition for Lowest Ceiling None
Visibility Runway Visual Range (Feet) --
Visibility Runway Visual Value (Statute Miles) --
Visibility (Statute Miles) 10
Air Temperature at event time (in degrees celsius) 28
Dew Point at event time (in degress fahrenheit) 19
Wind Direction (degrees magnetic) 150
Variable Wind Indicator Wind direction could be determined
Wind Speed (knots) 9
Wind Velocity Indicator --
Wind Gust Indicator Gusting
Wind Gust (knots) 0
Altimeter Setting at event time (in. Hg) 29.76
Density Altitude (feet) 3395
Intensity of Precipitation --
METAR weather report --
Event Highest Injury None
On Ground, Fatal Injuries --
On Ground, Minor Injuries --
On Ground, Serious Injuries --
Injury Total Fatal --
Injury Total Minor --
Injury Total None 1
Injury Total Serious --
Injury Total All --
Investigating Agency NTSB
NTSB Docket Number (internal use) 15896
NTSB Notification Source FAA Operations Center
NTSB Notification Date Apr 28 2004 12:00AM
NTSB Notification Time 700
Fiche Number and/or location -used to find docket information DMS
Date of most recent change to record Jul 29 2004 7:30AM
User who most recently changed record NTSB\MONR
Basic weather conditions Visual Meteorological Cond
FAA District Office San Antonio Flight Standards District Office

Aircraft Involved

Aircraft #1

Aircraft Registration Number N7435Q
NTSB Number FTW04LA118
Missing Aircraft Indicator --
Federal Aviation Reg. Part Part 91: General Aviation
Type of Flight Plan filed None
Flight plan Was Activated? No
Damage Substantial
Aircraft Fire None
Aircraft Explosion None
Aircraft Manufacturer's Full Name Cessna
Aircraft Model 182U
Aircraft Series Identifier --
Aircraft Serial Number 18261075
Certified Max Gross Weight 2950
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 21 2004 12:00AM
Airframe hours since last inspection 1.51
Airframe Hours 5715.31
ELT Installed Yes
ELT Activated No
ELT Aided Location of Event Site No
ELT Type --
Aircraft Owner Name Whirlybird Inc.
Aircraft Owner Street Address 17860 S. Sonoita Highway
Aircraft Owner City Vail
Aircraft Owner State AZ
Aircraft Owner Country USA
Aircraft Owner Zipcode 85641
Operator is an individual? No
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? --
Certified for Part 133 or 137 Operation --
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 Yes
Departure Airport Code 5C1
Departure City Boerne
Departure State TX
Departure Country USA
Departure Time 1530
Departure Time Zone CDT
Destination Same as Local Flt crash at destination city
Destination Airport Code 5C1
Destination City San Antonio
Destination State TX
Destination Country USA
Specific Phase of Flight Landing
Report sent to ICAO? No
Evacuation occurred No
Date of most recent change to record Jun 1 2004 7:26AM
User who most recently changed record CASH
Since inspection or accident Time of Accident
Event Location Runway Number and Location 17
Runway Length 4000
Runway Width 40
Sight Seeing flight No
Air Medical Flight No
Medical Flight --