Individually Owned: 150,657
Corporate Owned: 137,281
Stapleton International Airport
Aircraft Accident/Incident Report
Denver, Colorado 80224
Sunday, July 7, 1991 9:20 MDT
NTSB Narrative Summary Released at Completion of Accident
THE PILOT SELECTED 25 DEGREES OF FLAPS AND TOOK OFF ON RUNWAY 26L FROM INTERSECTION B5 (4465 FEET OF RUNWAY AVAILABLE, 10,004 FEET TOTAL LENGTH). HE SAID THE AIRPLANE CLIMBED TO ABOUT 300 FEET AGL, THEN THE STALL WARNING HORN SOUNDED. WHEN HE LOWERED THE NOSE TO INCREASE AIRSPEED, THE AIRPLANE DESCENDED. WHEN HE RAISED THE NOSE TO CHECK THE DESCENT, THE STALL WARNING HORN AGAIN SOUNDED. THIS SITUATION CONTINUED UNTIL THE PILOT WAS FORCED TO MAKE A CONTROLLED CRASH INTO A TREE IN A RESIDENTIAL NEIGHBORHOOD. DENSITY ALTITUDE WAS COMPUTED TO BE 7181 FEET. THE WINDS WERE FROM 010 DEGREES AT 21 KNOTS, GUSTING TO 30 KNOTS. REPORTEDLY, THE PILOT ENRICHED THE MIXTURE BEFORE TAKING OFF, THEN CONFIRMED THE THROTTLE AND MIXTURE WERE 'FULLY OPEN' AFTER THE STALL WARNING HORN SOUNDED. HE NOTED THAT THE TACHOMETER FOR THE FIXED PITCH PROPELLER WAS INDICATING 2400 RPM AT MAXIMUM POWER.
NTSB Probable Cause Narrative
IMPROPER PLANNING/DECISION BY THE PILOT. FACTORS RELATED TO THE ACCIDENT WERE: A TAIL WIND, THE HIGH DENSITY ALTITUDE, THE PILOT'S FAILURE TO PROPERLY LEAN THE MIXTURE, AND HIS FAILURE TO USE ALL AVAILABLE RUNWAY.
Event Information
| Type of Event | Accident |
| Event Date | 7/7/1991 |
| Event Day of the Week | Sunday |
| Time of Event | 920 |
| Event Time Zone | Mountain Daylight Time |
| Event City | DENVER |
| Event State | COLORADO |
| Event Country | -- |
| Zipcode of the event site | 80224 |
| Event Date Year | 1991 |
| Event Date Month | 7 |
| MidAir Collision Indicator | No |
| On Ground Collision occurred ? | No |
| Event Location Latitude | |
| Event Location Longitude | |
| Event Location Airport | STAPLETON INTERNATIONAL |
| Event Location Nearest Airport ID | DEN |
| 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 | 255 |
| Airport Elevation | 5333 |
| 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 | 15000 |
| Lowest Non-Ceiling Height | 12000 |
| Sky/Lowest/Cloud Conditions | Scattered |
| Sky Condition for Lowest Ceiling | Broken |
| Visibility Runway Visual Range (Feet) | 0 |
| Visibility Runway Visual Value (Statute Miles) | 0 |
| Visibility (Statute Miles) | 40 |
| Air Temperature at event time (in degrees celsius) | 23 |
| Dew Point at event time (in degress fahrenheit) | 9 |
| Wind Direction (degrees magnetic) | 10 |
| Variable Wind Indicator | Unknown |
| Wind Speed (knots) | 21 |
| Wind Velocity Indicator | Unknown |
| Wind Gust Indicator | Unknown |
| Wind Gust (knots) | 30 |
| Altimeter Setting at event time (in. Hg) | 30 |
| Density Altitude (feet) | 7181 |
| Intensity of Precipitation | Unknown |
| METAR weather report | -- |
| Event Highest Injury | Serious |
| On Ground, Fatal Injuries | 0 |
| On Ground, Minor Injuries | 0 |
| On Ground, Serious Injuries | 0 |
| Injury Total Fatal | -- |
| Injury Total Minor | 1 |
| Injury Total None | -- |
| Injury Total Serious | 1 |
| Injury Total All | 2 |
| Investigating Agency | NTSB |
| NTSB Docket Number (internal use) | 1777 |
| NTSB Notification Source | -- |
| NTSB Notification Date | -- |
| NTSB Notification Time | 0 |
| Fiche Number and/or location -used to find docket information | 45655 |
| Date of most recent change to record | Dec 12 2000 10:31AM |
| User who most recently changed record | dbo |
| Basic weather conditions | Visual Meteorological Cond |
| FAA District Office | -- |
Aircraft Involved |
|
|---|---|
Aircraft #1 |
|
| Aircraft Registration Number | N8256R |
| NTSB Number | DEN91FA097 |
| Missing Aircraft Indicator | N |
| Federal Aviation Reg. Part | Part 91: General Aviation |
| Type of Flight Plan filed | VFR |
| 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 | 28-8116017 |
| 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 | 100 Hour |
| Date of Last Inspection | Jun 14 1991 12:00AM |
| Airframe hours since last inspection | 52 |
| Airframe Hours | 4328 |
| ELT Installed | Yes |
| ELT Activated | Yes |
| ELT Aided Location of Event Site | No |
| ELT Type | -- |
| Aircraft Owner Name | NASSAU FLYERS, INC. |
| Aircraft Owner Street Address | HANGAR 3, REPUBLIC AIRPORT |
| Aircraft Owner City | FARMINGDALE |
| Aircraft Owner State | NY |
| Aircraft Owner Country | |
| Aircraft Owner Zipcode | 11735 |
| Operator is an individual? | -- |
| Operator Name | NASSAU FLYERS, INC. |
| Operator Same as Owner? | Yes |
| Operator Is Doing Business As | -- |
| Operator Address Same as Owner? | No |
| 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) | Personal |
| Second Pilot on Board | No |
| Departure Point Same as Event | Yes |
| Departure Airport Code | |
| Departure City | |
| Departure State | |
| Departure Country | |
| Departure Time | 920 |
| Departure Time Zone | MDT |
| Destination Same as Local Flt | -- |
| Destination Airport Code | SAF |
| Destination City | SANTA FE |
| Destination State | NM |
| Destination Country | |
| Specific Phase of Flight | Takeoff |
| 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 | 26L |
| Runway Length | 10004 |
| Runway Width | 150 |
| Sight Seeing flight | No |
| Air Medical Flight | No |
| Medical Flight | -- |