Individually Owned: 150,657
Corporate Owned: 137,281
Aircraft Accident/Incident Report
Grand Canyon, Arizona 86023
Monday, May 13, 1991 13:19 MST
NTSB Narrative Summary Released at Completion of Accident
THE AIRPLANE CRASHED INTO A WOODED AREA ABOUT 8 MINUTES AFTER TAKEOFF. EVIDENCE AT THE WRECKAGE SITE REVEALED THAT THE AIRPLANE CRASHED THROUGH THE TREES AT A GLIDE ANGLE OF 8 DEGREES. THE GLIDE ANGLE FOR A POWER-OFF FORCED LANDING IS 6 DEGREES ACCORDING TO THE PILOT'S OPERATING HANDBOOK. THE PROPELLER DID NOT EXHIBIT ROTATIONAL DAMAGE. ENGINE TEARDOWN REVEALED THAT THE #1 CYLINDER HAD CATASTROPHIC DETONATION.
NTSB Probable Cause Narrative
DETONATION (OR PRE-IGNITION) IN THE NUMBER 1 CYLINDER, WHICH RESULTED IN EROSION (BURNING) OF THE NUMBER 1 PISTON AND SUBSEQUENT LOSS OF ENGINE POWER. A FACTOR RELATED TO THE ACCIDENT WAS: THE LACK OF SUITABLE TERRAIN FOR AN EMERGENCY LANDING.
Event Information
| Type of Event | Accident |
| Event Date | 5/13/1991 |
| Event Day of the Week | Monday |
| Time of Event | 1319 |
| Event Time Zone | Mountain Standard Time |
| Event City | GRAND CANYON |
| Event State | ARIZONA |
| Event Country | -- |
| Zipcode of the event site | 86023 |
| Event Date Year | 1991 |
| Event Date Month | 5 |
| 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 | -- |
| Weather Briefing Completeness | Unknown |
| Investigator's weather source | Weather Observation Facility |
| Time of the weather observation | 1355 Mountain Standard Time |
| Direction of event from weather observation facility (degrees) | 82 |
| Weather Observation Facility ID | GCN |
| Elevation of weather observation facility | 6606 |
| Distance of event from weather observation facility (units?) | 8 |
| Time Zone of the weather observation | MST |
| Lighting Conditions | Day |
| Lowest Ceiling Height | 25000 |
| Lowest Non-Ceiling Height | 0 |
| Sky/Lowest/Cloud Conditions | Unknown |
| Sky Condition for Lowest Ceiling | Broken |
| Visibility Runway Visual Range (Feet) | 0 |
| Visibility Runway Visual Value (Statute Miles) | 0 |
| Visibility (Statute Miles) | 50 |
| Air Temperature at event time (in degrees celsius) | -18 |
| Dew Point at event time (in degress fahrenheit) | -18 |
| Wind Direction (degrees magnetic) | 210 |
| Variable Wind Indicator | Unknown |
| Wind Speed (knots) | 11 |
| Wind Velocity Indicator | Unknown |
| Wind Gust Indicator | Unknown |
| Wind Gust (knots) | 18 |
| Altimeter Setting at event time (in. Hg) | -- |
| Density Altitude (feet) | 0 |
| 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 | 7 |
| Injury Total Minor | -- |
| Injury Total None | -- |
| Injury Total Serious | -- |
| Injury Total All | 7 |
| Investigating Agency | NTSB |
| NTSB Docket Number (internal use) | 577 |
| NTSB Notification Source | -- |
| NTSB Notification Date | -- |
| NTSB Notification Time | 0 |
| Fiche Number and/or location -used to find docket information | 44180 |
| Date of most recent change to record | Dec 18 2002 11:28AM |
| User who most recently changed record | NTSB\GIUV |
| Basic weather conditions | Visual Meteorological Cond |
| FAA District Office | -- |
Aircraft Involved |
|
|---|---|
Aircraft #1 |
|
| Aircraft Registration Number | N6280H |
| NTSB Number | LAX91FA213 |
| 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 | Ground |
| Aircraft Explosion | Ground |
| Aircraft Manufacturer's Full Name | CESSNA |
| Aircraft Model | 207A |
| Aircraft Series Identifier | 207A |
| Aircraft Serial Number | 207-00463 |
| Certified Max Gross Weight | 3800 |
| 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 | 7 |
| Number of Engines | 1 |
| Fixed gear or retractable gear | Fixed |
| Aircraft, Type of Last Inspection | Unknown |
| Date of Last Inspection | -- |
| Airframe hours since last inspection | 0 |
| Airframe Hours | -- |
| ELT Installed | Yes |
| ELT Activated | No |
| ELT Aided Location of Event Site | Unknown |
| ELT Type | -- |
| Aircraft Owner Name | AIR GRAND CANYON |
| Aircraft Owner Street Address | 600 JANINE DRIVE |
| Aircraft Owner City | PRESCOTT |
| Aircraft Owner State | AZ |
| Aircraft Owner Country | |
| Aircraft Owner Zipcode | 86301 |
| Operator is an individual? | -- |
| Operator Name | AIR GRAND CANYON |
| Operator Same as Owner? | Yes |
| Operator Is Doing Business As | -- |
| Operator Address Same as Owner? | Yes |
| Operator Street Address | 600 JANINE DRIVE |
| Operator City | PRESCOTT |
| Operator State | AZ |
| Operator Country | |
| Operator Zip code | 86301 |
| Operator Code | EKBA |
| 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 | GCN |
| Departure City | GRAND CANYON |
| Departure State | AZ |
| Departure Country | |
| Departure Time | 0 |
| Departure Time Zone | |
| Destination Same as Local Flt | dest & departure same, accident can occur anywhere |
| 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 10:35AM |
| User who most recently changed record | dbo |
| Since inspection or accident | -- |
| Event Location Runway Number and Location | 0 |
| Runway Length | -- |
| Runway Width | -- |
| Sight Seeing flight | No |
| Air Medical Flight | No |
| Medical Flight | -- |