Individually Owned: 150,657
Corporate Owned: 137,281
Forest Hill Industrial Airpark Airport
Aircraft Accident/Incident Report
Forest Hill, Maryland 21050
Sunday, August 24, 2003 11:15 EDT
NTSB Narrative Summary Released at Completion of Accident
Several witnesses observed the airplane approach the airpark, proceed over the runway low level, and initiate a go-around. During the go-around, the airplane pitched upwards and began to lose velocity. At the peak of the airplane's accent, the airplane stalled, nosed over, and descended towards the ground. The airplane impacted the southwest corner of a 3-story residential home, located about 1/2-mile west of the airpark, and subsequently impacted the ground, where a post crash fire ensued. Examination of the engine's fuel control revealed that the throttle arm was in the full power position. Examination of the cockpit area revealed that the engine tachometer needles were observed at "28 percent" for N1, and "56 percent" for N2. The fuel pressure needle was observed at its normal pressure reading for a high power setting, and the oil pressure needle and oil temperature gages were observed at a position consistent with the engine developing power. According to the airplanes Flight Training manual, the time required for the engine to accelerate from a low engine speed to high engine speed (idle to max power), was approximately 9 to 12 seconds. The pilot had accumulated about 25 hours of total flight experience in the L-39. The pilot had been informed in the past by the manager of the airplane to maintain 75 percent rpm or better while landing, in the event that a go-around had to be executed. The manager accentuated to the pilot that he needed to be aware that the engine took close to 12 seconds to spool up, and having the extra power lessened the engines response time in the event of a go-around. No pre-impact abnormalities with the airframe or powerplant were observed.
NTSB Probable Cause Narrative
The pilot's in-flight decision to delay application of engine power to account for the engine's slow response to throttle input, which resulted in an inadvertent stall and subsequent collision with a residential area. A factor related to the accident was the pilot's lack of experience in jet-powered airplanes.
Event Information
| Type of Event | Accident |
| Event Date | 8/24/2003 |
| Event Day of the Week | Sunday |
| Time of Event | 1115 |
| Event Time Zone | Eastern Daylight Time |
| Event City | Forest Hill |
| Event State | MARYLAND |
| Event Country | -- |
| Zipcode of the event site | 21050 |
| Event Date Year | 2003 |
| Event Date Month | 8 |
| MidAir Collision Indicator | No |
| On Ground Collision occurred ? | No |
| Event Location Latitude | 393506N |
| Event Location Longitude | 0762329W |
| Event Location Airport | Forest Hill Industrial Airpark |
| Event Location Nearest Airport ID | MD31 |
| Indicates whether the acc/inc occurred off or on an airport | Off Airport/Airstrip |
| Distance from airport in statute miles | 0.5 |
| Degrees magnetic from airport | 280 |
| Airport Elevation | 476 |
| Weather Briefing Completeness | Unknown |
| Investigator's weather source | Weather Observation Facility |
| Time of the weather observation | 1155 Eastern Daylight Time |
| Direction of event from weather observation facility (degrees) | 180 |
| Weather Observation Facility ID | MTN |
| Elevation of weather observation facility | 22 |
| Distance of event from weather observation facility (units?) | 12 |
| Time Zone of the weather observation | EDT |
| Lighting Conditions | Day |
| Lowest Ceiling Height | -- |
| Lowest Non-Ceiling Height | -- |
| Sky/Lowest/Cloud Conditions | Clear |
| 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) | 24 |
| Dew Point at event time (in degress fahrenheit) | 8 |
| Wind Direction (degrees magnetic) | -- |
| Variable Wind Indicator | Variable |
| Wind Speed (knots) | -- |
| Wind Velocity Indicator | Calm |
| Wind Gust Indicator | Not Gusting |
| Wind Gust (knots) | -- |
| Altimeter Setting at event time (in. Hg) | 30.17 |
| Density Altitude (feet) | -- |
| Intensity of Precipitation | -- |
| METAR weather report | -- |
| Event Highest Injury | Fatal |
| On Ground, Fatal Injuries | -- |
| On Ground, Minor Injuries | -- |
| On Ground, Serious Injuries | -- |
| Injury Total Fatal | 1 |
| Injury Total Minor | -- |
| Injury Total None | -- |
| Injury Total Serious | -- |
| Injury Total All | 1 |
| Investigating Agency | NTSB |
| NTSB Docket Number (internal use) | 17202 |
| NTSB Notification Source | Eastern Region Comm Center |
| NTSB Notification Date | Aug 24 2003 12:00AM |
| NTSB Notification Time | 1130 |
| Fiche Number and/or location -used to find docket information | DMS |
| Date of most recent change to record | Jan 27 2005 3:52PM |
| User who most recently changed record | NTSB\JOHB |
| Basic weather conditions | Visual Meteorological Cond |
| FAA District Office | FSDO-07 Baltimore, MD |
Aircraft Involved |
|
|---|---|
Aircraft #1 |
|
| Aircraft Registration Number | N298RD |
| NTSB Number | NYC03FA180 |
| Missing Aircraft Indicator | -- |
| Federal Aviation Reg. Part | Part 91: General Aviation |
| Type of Flight Plan filed | None |
| Flight plan Was Activated? | No |
| Damage | Destroyed |
| Aircraft Fire | Ground |
| Aircraft Explosion | None |
| Aircraft Manufacturer's Full Name | Aero Vodochody |
| Aircraft Model | L-39ZO |
| Aircraft Series Identifier | -- |
| Aircraft Serial Number | 731013 |
| Certified Max Gross Weight | 12500 |
| 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 | 2 |
| Number of Engines | 1 |
| Fixed gear or retractable gear | Retractable |
| Aircraft, Type of Last Inspection | Annual |
| Date of Last Inspection | Apr 28 2003 12:00AM |
| Airframe hours since last inspection | -- |
| Airframe Hours | 2292 |
| ELT Installed | No |
| ELT Activated | Unknown |
| ELT Aided Location of Event Site | Unknown |
| ELT Type | -- |
| Aircraft Owner Name | Bond Jet LLC |
| Aircraft Owner Street Address | -- |
| Aircraft Owner City | Wilmington |
| Aircraft Owner State | DE |
| Aircraft Owner Country | USA |
| Aircraft Owner Zipcode | 19808 |
| 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 | No |
| Departure Airport Code | MTN |
| Departure City | Baltimore |
| Departure State | MD |
| Departure Country | USA |
| Departure Time | 1100 |
| 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 | Maneuvering |
| Report sent to ICAO? | Yes |
| Evacuation occurred | No |
| Date of most recent change to record | -- |
| User who most recently changed record | -- |
| Since inspection or accident | Last Inspection |
| Event Location Runway Number and Location | 31 |
| Runway Length | 2650 |
| Runway Width | 50 |
| Sight Seeing flight | No |
| Air Medical Flight | No |
| Medical Flight | -- |