Individually Owned: 150,657
Corporate Owned: 137,281
Hilltop Lakes Airport
Aircraft Accident/Incident Report
Hilltop Lakes, Texas 77871
Sunday, May 20, 2007 15:00 CDT
NTSB Narrative Summary Released at Completion of Accident
The 300-hour private pilot reported that the airplane entered an un-commanded nose down pitch and banked to the left while the airplane was established on final approach to runway 16. The pilot and passenger were seriously injured. An examination of the engine was conducted. Examination of the engine 180-horsepower engine did not reveal any mechanical anomalies that could have prevented normal engine operation. The fuel cells were breached; however, the operator reported that the airplane departed the airport with a full load of fuel, and according to the engine tach, the flight's duration was 36 minutes. According to icing probability chart, the weather conditions at the time of the accident were favorable for the probability of "serious" carburetor icing at glide power. Examination of the airplane and engine revealed that the carburetor heat control was in the "off" or "cold" position. The pilot and passenger were seriously injured. Weather reported 30 miles south of the accident site at the time of the accident stated winds were from 120 degrees at 9 knots gusting to 14 knots.
NTSB Probable Cause Narrative
The loss of engine power due to carburetor ice. Contributing factors were the lack of suitable terrain for a forced landing and the weather conditions that were conducive to carburetor ice.
Event Information
| Type of Event | Accident |
| Event Date | 5/20/2007 |
| Event Day of the Week | Sunday |
| Time of Event | 1500 |
| Event Time Zone | Central Daylight Time |
| Event City | Hilltop Lakes |
| Event State | TEXAS |
| Event Country | -- |
| Zipcode of the event site | 77871 |
| Event Date Year | 2007 |
| Event Date Month | 5 |
| MidAir Collision Indicator | No |
| On Ground Collision occurred ? | No |
| Event Location Latitude | -- |
| Event Location Longitude | -- |
| Event Location Airport | Hilltop Lakes Airport |
| Event Location Nearest Airport ID | 0TE4 |
| Indicates whether the acc/inc occurred off or on an airport | Off Airport/Airstrip |
| Distance from airport in statute miles | 0.75 |
| Degrees magnetic from airport | -- |
| Airport Elevation | 501 |
| Weather Briefing Completeness | -- |
| Investigator's weather source | Weather Observation Facility |
| Time of the weather observation | 1553 Central Daylight Time |
| Direction of event from weather observation facility (degrees) | 195 |
| Weather Observation Facility ID | KCLL |
| Elevation of weather observation facility | 321 |
| Distance of event from weather observation facility (units?) | 30 |
| Time Zone of the weather observation | CDT |
| Lighting Conditions | Day |
| Lowest Ceiling Height | -- |
| Lowest Non-Ceiling Height | 4900 |
| Sky/Lowest/Cloud Conditions | Scattered |
| 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) | 27 |
| Dew Point at event time (in degress fahrenheit) | 13 |
| Wind Direction (degrees magnetic) | 120 |
| Variable Wind Indicator | Wind direction could be determined |
| Wind Speed (knots) | 9 |
| Wind Velocity Indicator | -- |
| Wind Gust Indicator | Gusting |
| Wind Gust (knots) | 14 |
| Altimeter Setting at event time (in. Hg) | 30.07 |
| Density Altitude (feet) | -- |
| Intensity of Precipitation | -- |
| METAR weather report | -- |
| Event Highest Injury | Serious |
| On Ground, Fatal Injuries | -- |
| On Ground, Minor Injuries | -- |
| On Ground, Serious Injuries | -- |
| Injury Total Fatal | -- |
| Injury Total Minor | -- |
| Injury Total None | -- |
| Injury Total Serious | 2 |
| Injury Total All | 2 |
| Investigating Agency | NTSB |
| NTSB Docket Number (internal use) | 21797 |
| NTSB Notification Source | ASW ROC |
| NTSB Notification Date | May 20 2007 12:00AM |
| NTSB Notification Time | -- |
| Fiche Number and/or location -used to find docket information | DMS |
| Date of most recent change to record | Jul 25 2007 12:22PM |
| User who most recently changed record | NTSB\lema |
| Basic weather conditions | Visual Meteorological Cond |
| FAA District Office | Houston, Texas |
Aircraft Involved |
|
|---|---|
Aircraft #1 |
|
| Aircraft Registration Number | N28730 |
| NTSB Number | DFW07LA118 |
| Missing Aircraft Indicator | -- |
| Federal Aviation Reg. Part | Part 91: General Aviation |
| Type of Flight Plan filed | None |
| Flight plan Was Activated? | No |
| Damage | Substantial |
| Aircraft Fire | None |
| Aircraft Explosion | None |
| Aircraft Manufacturer's Full Name | Grumman American |
| Aircraft Model | AA-5B |
| Aircraft Series Identifier | -- |
| Aircraft Serial Number | AA5B0781 |
| Certified Max Gross Weight | 2400 |
| Aircraft Category | Airplane |
| Aircraft Registration Class | -- |
| 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 | Mar 1 2007 12:00AM |
| Airframe hours since last inspection | 77 |
| Airframe Hours | 3051 |
| ELT Installed | Yes |
| ELT Activated | Yes |
| ELT Aided Location of Event Site | No |
| ELT Type | -- |
| Aircraft Owner Name | Cyrus Aviation Services |
| Aircraft Owner Street Address | 6120 SH 21 East Suite 102 |
| Aircraft Owner City | Bryan |
| Aircraft Owner State | TX |
| Aircraft Owner Country | USA |
| Aircraft Owner Zipcode | 77808 |
| Operator is an individual? | No |
| Operator Name | Justin Smith |
| Operator Same as Owner? | No |
| Operator Is Doing Business As | -- |
| Operator Address Same as Owner? | No |
| Operator Street Address | 6120 SH 21 East Suite 102 |
| Operator City | Bryan |
| Operator State | TX |
| Operator Country | USA |
| Operator Zip code | 77808 |
| 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 | KCFD |
| Departure City | Bryan |
| Departure State | TX |
| Departure Country | USA |
| Departure Time | 1330 |
| Departure Time Zone | CDT |
| Destination Same as Local Flt | crash at destination city |
| Destination Airport Code | 0TE4 |
| Destination City | Hilltop Lakes |
| Destination State | TX |
| Destination Country | USA |
| Specific Phase of Flight | Approach |
| Report sent to ICAO? | -- |
| Evacuation occurred | -- |
| Date of most recent change to record | Jun 21 2007 2:51PM |
| User who most recently changed record | CASH |
| Since inspection or accident | Time of Accident |
| Event Location Runway Number and Location | 16 |
| Runway Length | 3000 |
| Runway Width | 40 |
| Sight Seeing flight | No |
| Air Medical Flight | No |
| Medical Flight | -- |