Individually Owned: 150,657
Corporate Owned: 137,281
Blue Knob Valley Airport
Aircraft Accident/Incident Report
Newry, Pennsylvania 16665
Friday, June 28, 1996 11:50 EDT
NTSB Narrative Summary Released at Completion of Accident
During the takeoff roll, the pilot observed that the airspeed indicator was inoperative. However, he said that by the time he realized the problem, the airplane was too far down the runway to abort the takeoff. He continued the takeoff and flew about 1.2 hours before returning to landing. The airplane was high and fast during the first approach to land, and the pilot decided to go-around. After the second approach, the airplane touched down about half way down the 3,415 foot long runway. The pilot stated that he applied full brakes; however, the airplane was too fast and continued off the departure end of the runway. Subsequently, it encountered rough terrain and was damaged. Examination of the airplane revealed that the pitot tube was blocked with a sediment.
NTSB Probable Cause Narrative
failure of the pilot to identify the inoperative airspeed indication and abort the takeoff, while there was sufficient runway remaining; excessive speed during the approach/landing; and the pilot's failure to perform a go-around after not attaining a proper touchdown point during the landing. A factor relating to the accident was: the blocked pitot tube, which resulted in an inoperative airspeed indicator.
Event Information
| Type of Event | Accident |
| Event Date | 6/28/1996 |
| Event Day of the Week | Friday |
| Time of Event | 1150 |
| Event Time Zone | Eastern Daylight Time |
| Event City | NEWRY |
| Event State | PENNSYLVANIA |
| Event Country | -- |
| Zipcode of the event site | 16665 |
| Event Date Year | 1996 |
| Event Date Month | 6 |
| MidAir Collision Indicator | No |
| On Ground Collision occurred ? | No |
| Event Location Latitude | |
| Event Location Longitude | |
| Event Location Airport | BLUE KNOB VALLEY |
| Event Location Nearest Airport ID | 7G4 |
| 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 | 1270 |
| Weather Briefing Completeness | Not pertinent |
| Investigator's weather source | Weather Observation Facility |
| Time of the weather observation | 1145 Eastern Daylight Time |
| Direction of event from weather observation facility (degrees) | 260 |
| Weather Observation Facility ID | JST |
| Elevation of weather observation facility | 2284 |
| Distance of event from weather observation facility (units?) | 18 |
| Time Zone of the weather observation | EDT |
| Lighting Conditions | Day |
| Lowest Ceiling Height | 3500 |
| 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) | 12 |
| Air Temperature at event time (in degrees celsius) | 27 |
| Dew Point at event time (in degress fahrenheit) | 16 |
| Wind Direction (degrees magnetic) | 330 |
| Variable Wind Indicator | Unknown |
| Wind Speed (knots) | 7 |
| Wind Velocity Indicator | Unknown |
| Wind Gust Indicator | Not Gusting |
| Wind Gust (knots) | 0 |
| Altimeter Setting at event time (in. Hg) | 30 |
| Density Altitude (feet) | -- |
| 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 | 2 |
| Injury Total Serious | -- |
| Injury Total All | -- |
| Investigating Agency | NTSB |
| NTSB Docket Number (internal use) | 919 |
| NTSB Notification Source | -- |
| NTSB Notification Date | Jul 2 1996 12:00AM |
| NTSB Notification Time | 1530 |
| Fiche Number and/or location -used to find docket information | IMAGE |
| Date of most recent change to record | Dec 8 2000 10:05AM |
| User who most recently changed record | dbo |
| Basic weather conditions | Visual Meteorological Cond |
| FAA District Office | -- |
Aircraft Involved |
|
|---|---|
Aircraft #1 |
|
| Aircraft Registration Number | N4776E |
| NTSB Number | NYC96LA136 |
| 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 | 172N |
| Aircraft Series Identifier | 172N |
| Aircraft Serial Number | 17271641 |
| Certified Max Gross Weight | 2300 |
| 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 | Unknown |
| Date of Last Inspection | -- |
| Airframe hours since last inspection | -- |
| Airframe Hours | -- |
| ELT Installed | Yes |
| ELT Activated | Yes |
| ELT Aided Location of Event Site | No |
| ELT Type | -- |
| Aircraft Owner Name | BLUE KNOB VALLEY AIRPORT INC |
| Aircraft Owner Street Address | 200 AIRPORT RD. |
| Aircraft Owner City | DUNCANSVILLE |
| Aircraft Owner State | PA |
| Aircraft Owner Country | |
| Aircraft Owner Zipcode | 16635 |
| Operator is an individual? | -- |
| Operator Name | VERNON D'ARLEY MOCK |
| Operator Same as Owner? | No |
| Operator Is Doing Business As | -- |
| Operator Address Same as Owner? | No |
| Operator Street Address | RD 1 BOX 436-B |
| Operator City | ROARING SPRING |
| Operator State | PA |
| Operator Country | |
| Operator Zip code | 16673 |
| 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 | 7G4 |
| Departure City | |
| Departure State | |
| Departure Country | |
| Departure Time | 1045 |
| Departure Time Zone | EDT |
| 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 10:34AM |
| User who most recently changed record | dbo |
| Since inspection or accident | -- |
| Event Location Runway Number and Location | 29 |
| Runway Length | 3415 |
| Runway Width | 92 |
| Sight Seeing flight | No |
| Air Medical Flight | No |
| Medical Flight | -- |