Individually Owned: 150,657
Corporate Owned: 137,281
Flagstaff Pullman Airport
Aircraft Accident/Incident Report
Flagstaff, Arizona 86002
Saturday, June 27, 1998 6:05 MST
NTSB Narrative Summary Released at Completion of Accident
The pilot stated that the preflight and run-up were conducted with no anomalies noted. After takeoff, the airplane experienced a loss of engine power followed by a loss of altitude and collision with terrain. The airplane came to rest inverted in a sewage pond near the airport. After the power loss, the pilot made an unsuccessful attempt to restart the engine utilizing the emergency checklist. The engine was inspected and mechanical continuity of the engine was established. The crankcase was separated and it was noted that the bearings, pistons, and cylinders exhibited heat discoloration. The number 4 main bearing exhibited evidence of rubbing on the crankshaft and a section of that bearing insert was severely worn, heat distressed, and had flowed over the edge of the crankcase bearing journal. The number 6 connecting rod bearing insert exhibited an unidentified metal substance in the oil port. The remaining crankcase oil journals were found to be clear. The oil pump was disassembled and revealed a nick on one of the driven gear teeth, which corresponded to circumferential scoring on the oil pump housing. The oil filter and suction screen were clean. No further discrepancies were noted with the engine. Review of the maintenance records revealed that an annual inspection, which included an oil change, had been completed approximately 1 hour prior to the accident flight.
NTSB Probable Cause Narrative
Oil system contamination with an unidentified metal substance that traveled through the oil system and blocked the number 4 main bearing and number 6 connecting rod bearing oil ports, resulting in oil starvation and failure of the engine. The source of the contamination is undetermined.
Event Information
| Type of Event | Accident |
| Event Date | 6/27/1998 |
| Event Day of the Week | Saturday |
| Time of Event | 605 |
| Event Time Zone | Mountain Standard Time |
| Event City | FLAGSTAFF |
| Event State | ARIZONA |
| Event Country | -- |
| Zipcode of the event site | 86002 |
| Event Date Year | 1998 |
| Event Date Month | 6 |
| MidAir Collision Indicator | No |
| On Ground Collision occurred ? | No |
| Event Location Latitude | |
| Event Location Longitude | |
| Event Location Airport | FLAGSTAFF PULLMAN |
| Event Location Nearest Airport ID | FLG |
| Indicates whether the acc/inc occurred off or on an airport | Off Airport/Airstrip |
| Distance from airport in statute miles | 2 |
| Degrees magnetic from airport | 210 |
| Airport Elevation | 7011 |
| Weather Briefing Completeness | Not pertinent |
| Investigator's weather source | Weather Observation Facility |
| Time of the weather observation | 612 Mountain Standard Time |
| Direction of event from weather observation facility (degrees) | 30 |
| Weather Observation Facility ID | FLG |
| Elevation of weather observation facility | 7011 |
| Distance of event from weather observation facility (units?) | 2 |
| Time Zone of the weather observation | MST |
| Lighting Conditions | Dawn |
| Lowest Ceiling Height | 0 |
| Lowest Non-Ceiling Height | 0 |
| Sky/Lowest/Cloud Conditions | Clear |
| Sky Condition for Lowest Ceiling | None |
| Visibility Runway Visual Range (Feet) | 0 |
| Visibility Runway Visual Value (Statute Miles) | 0 |
| Visibility (Statute Miles) | 10 |
| Air Temperature at event time (in degrees celsius) | 11 |
| Dew Point at event time (in degress fahrenheit) | 3 |
| Wind Direction (degrees magnetic) | 220 |
| Variable Wind Indicator | Unknown |
| Wind Speed (knots) | 4 |
| Wind Velocity Indicator | Unknown |
| Wind Gust Indicator | Not Gusting |
| Wind Gust (knots) | 0 |
| Altimeter Setting at event time (in. Hg) | 30 |
| Density Altitude (feet) | 8100 |
| Intensity of Precipitation | Unknown |
| METAR weather report | -- |
| Event Highest Injury | None |
| On Ground, Fatal Injuries | 0 |
| On Ground, Minor Injuries | 0 |
| On Ground, Serious Injuries | 0 |
| Injury Total Fatal | -- |
| Injury Total Minor | -- |
| Injury Total None | 1 |
| Injury Total Serious | -- |
| Injury Total All | -- |
| Investigating Agency | NTSB |
| NTSB Docket Number (internal use) | 1826 |
| NTSB Notification Source | -- |
| NTSB Notification Date | Jun 27 1998 12:00AM |
| NTSB Notification Time | 852 |
| Fiche Number and/or location -used to find docket information | IMAGE |
| Date of most recent change to record | Dec 11 2000 11:32AM |
| User who most recently changed record | dbo |
| Basic weather conditions | Visual Meteorological Cond |
| FAA District Office | -- |
Aircraft Involved |
|
|---|---|
Aircraft #1 |
|
| Aircraft Registration Number | N7188A |
| NTSB Number | LAX98LA214 |
| 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 | Cessna |
| Aircraft Model | 172 |
| Aircraft Series Identifier | 172 |
| Aircraft Serial Number | 29288 |
| Certified Max Gross Weight | 2075 |
| 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 | Jun 11 1998 12:00AM |
| Airframe hours since last inspection | 1 |
| Airframe Hours | 6911 |
| ELT Installed | Yes |
| ELT Activated | No |
| ELT Aided Location of Event Site | Unknown |
| ELT Type | -- |
| Aircraft Owner Name | DANIEL G. ANDERSON |
| Aircraft Owner Street Address | 2600 E. 4TH AVE. 46 |
| Aircraft Owner City | FLAGSTAFF |
| Aircraft Owner State | AZ |
| Aircraft Owner Country | |
| Aircraft Owner Zipcode | 86002 |
| 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) | Personal |
| Second Pilot on Board | No |
| Departure Point Same as Event | Yes |
| Departure Airport Code | FLG |
| Departure City | |
| Departure State | |
| Departure Country | |
| Departure Time | 604 |
| Departure Time Zone | MST |
| 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 | Takeoff |
| Report sent to ICAO? | -- |
| Evacuation occurred | -- |
| Date of most recent change to record | Jan 2 2001 10:34AM |
| User who most recently changed record | dbo |
| Since inspection or accident | -- |
| Event Location Runway Number and Location | 21 |
| Runway Length | 6999 |
| Runway Width | 150 |
| Sight Seeing flight | No |
| Air Medical Flight | No |
| Medical Flight | -- |