Individually Owned: 151,845
Corporate Owned: 143,699
Aircraft Accident/Incident Report
Mcintosh, South Dakota 57641
Monday, May 2, 1994 10:30 MDT
NTSB Narrative Summary Released at Completion of Accident
AT 1635 CDT ON 5/1/94 & AT 0319 CDT ON 5/2/94, THE NON-INSTRUMENT RATED PILOT CONTACTED THE GREEN BAY FLIGHT SERVICE STATION (FSS) & GOT WEATHER INFO FOR A FLIGHT FROM GREEN BAY, WI, TO MILES CITY, MT. HE WAS ADVISED THAT VFR CONDITIONS WERE EXPECTED ALONG HIS ROUTE OF FLIGHT, WITH A POSSIBILITY OF SHOWERS INCREASING AS HE NEARED HIS DESTINATION. AFTER TAKEOFF, HE CONTACTED THE PRINCETON & HURON FSS'S & OBTAINED WINDS & AN ABBREVIATED WEATHER BRIEFING FOR THE ROUTE TO ABERDEEN, SD. AT ABOUT 0800, AN EN ROUTE STOP WAS MADE IN VFR CONDITIONS AT ABERDEEN TO REFUEL. THE PILOT DEPARTED AT ABOUT 0900 WITHOUT UPDATING HIS WEATHER INFO. NEAR MCINTOSH, SD, WITNESSES OBSERVED THE AIRPLANE FLYING LOW IN POOR WEATHER CONDITIONS (LOW CLOUDS & FOG). SUBSEQUENTLY, IT IMPACTED RISING TERRAIN. ABOUT 10 DAYS LATER, IT WAS LOCATED PARTIALLY SUBMERGED IN A POND. NO PREIMPACT PART FAILURE OR MALFUNCTION WAS FOUND. AT 0745 ON 5/2/94, AN AIRMET WAS ISSUED TO WARN OF OCCASIONAL LOW CEILINGS & VISIBILITIES WITH PRECIPITATION & FOG FROM TEXAS THROUGH THE DAKOTAS.
NTSB Probable Cause Narrative
VFR FLIGHT BY THE NON-INSTRUMENT RATED PILOT INTO INSTRUMENT METEOROLOGICAL CONDITIONS (IMC), AND HIS FAILURE TO MAINTAIN SUFFICIENT ALTITUDE (OR CLEARANCE) FROM RISING TERRAIN. FACTORS RELATED TO THE ACCIDENT WERE: FAILURE OF THE PILOT TO UPDATE HIS WEATHER INFORMATION AT THE EN ROUTE STOP, THE ADVERSE WEATHER CONDITIONS, RISING TERRAIN, AND THE PILOT'S LACK OF INSTRUMENT EXPERIENCE.
Event Information
| Type of Event | Accident |
| Event Date | 5/2/1994 |
| Event Day of the Week | Monday |
| Time of Event | 1030 |
| Event Time Zone | Mountain Daylight Time |
| Event City | MCINTOSH |
| Event State | SOUTH DAKOTA |
| Event Country | -- |
| Zipcode of the event site | 57641 |
| Event Date Year | 1994 |
| 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 | -- |
| Degrees magnetic from airport | -- |
| Airport Elevation | -- |
| Weather Briefing Completeness | Full |
| Investigator's weather source | Witness |
| Time of the weather observation | 0 |
| Direction of event from weather observation facility (degrees) | 0 |
| Weather Observation Facility ID | |
| Elevation of weather observation facility | 0 |
| Distance of event from weather observation facility (units?) | 0 |
| Time Zone of the weather observation | |
| Lighting Conditions | Day |
| Lowest Ceiling Height | 100 |
| Lowest Non-Ceiling Height | 0 |
| Sky/Lowest/Cloud Conditions | Unknown |
| Sky Condition for Lowest Ceiling | Obscured |
| Visibility Runway Visual Range (Feet) | 0 |
| Visibility Runway Visual Value (Statute Miles) | 0 |
| Visibility (Statute Miles) | 0.25 |
| Air Temperature at event time (in degrees celsius) | -- |
| Dew Point at event time (in degress fahrenheit) | -- |
| Wind Direction (degrees magnetic) | 0 |
| Variable Wind Indicator | Unknown |
| Wind Speed (knots) | 0 |
| Wind Velocity Indicator | Calm |
| Wind Gust Indicator | Not Gusting |
| Wind Gust (knots) | 0 |
| Altimeter Setting at event time (in. Hg) | -- |
| Density Altitude (feet) | -- |
| 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 | 2 |
| Injury Total Minor | -- |
| Injury Total None | -- |
| Injury Total Serious | -- |
| Injury Total All | 2 |
| Investigating Agency | NTSB |
| NTSB Docket Number (internal use) | 1067 |
| NTSB Notification Source | -- |
| NTSB Notification Date | May 12 1994 12:00AM |
| NTSB Notification Time | 1410 |
| Fiche Number and/or location -used to find docket information | IMAGE |
| Date of most recent change to record | Dec 6 2000 11:11AM |
| User who most recently changed record | dbo |
| Basic weather conditions | Instrument Meteorological Cond |
| FAA District Office | -- |
Aircraft Involved |
|
|---|---|
Aircraft #1 |
|
| Aircraft Registration Number | N525GS |
| NTSB Number | CHI94FA155 |
| Missing Aircraft Indicator | N |
| Federal Aviation Reg. Part | Part 91: General Aviation |
| Type of Flight Plan filed | None |
| Flight plan Was Activated? | -- |
| Damage | Destroyed |
| Aircraft Fire | None |
| Aircraft Explosion | None |
| Aircraft Manufacturer's Full Name | MAULE |
| Aircraft Model | M-7-235 |
| Aircraft Series Identifier | M-7-235 |
| Aircraft Serial Number | 4123C |
| Certified Max Gross Weight | 2500 |
| 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 | Oct 7 1993 12:00AM |
| Airframe hours since last inspection | 83 |
| Airframe Hours | 83 |
| ELT Installed | Yes |
| ELT Activated | Unknown |
| ELT Aided Location of Event Site | Unknown |
| ELT Type | -- |
| Aircraft Owner Name | SPERBER, EUGENE J. |
| Aircraft Owner Street Address | 1839 BROWN ROAD |
| Aircraft Owner City | LITTLE SUAMICO |
| Aircraft Owner State | WI |
| Aircraft Owner Country | |
| Aircraft Owner Zipcode | 54141 |
| Operator is an individual? | -- |
| Operator Name | SPERBER, EUGENE J. |
| Operator Same as Owner? | Yes |
| Operator Is Doing Business As | -- |
| Operator Address Same as Owner? | Yes |
| Operator Street Address | 1839 BROWN ROAD |
| Operator City | LITTLE SUAMICO |
| Operator State | WI |
| Operator Country | |
| Operator Zip code | 54141 |
| 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 | No |
| Departure Airport Code | ABR |
| Departure City | ABERDEEN |
| Departure State | SD |
| Departure Country | |
| Departure Time | 900 |
| Departure Time Zone | MDT |
| Destination Same as Local Flt | -- |
| Destination Airport Code | MLS |
| Destination City | MILES CITY |
| Destination State | MT |
| Destination Country | |
| Specific Phase of Flight | Cruise |
| 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 | 0 |
| Runway Length | -- |
| Runway Width | -- |
| Sight Seeing flight | No |
| Air Medical Flight | No |
| Medical Flight | -- |