Individually Owned: 150,657
Corporate Owned: 137,281
Aircraft Accident/Incident Report
Woonsocket, South Dakota 57285
Tuesady, May 8, 1990 11:15 CDT
NTSB Narrative Summary Released at Completion of Accident
THE PLTS OF TWO PA-36 AGRICULTURAL APPLICATION ACFT (N3634E & N6177A) WERE SPRAYING ADJACENT FIELDS. THE ACFT WERE OWNED AND OPERATED BY A FATHER AND SON TEAM. THE PLTS HAD PREBRIEFED TO SPRAY WITH EAST/WEST SWATH RUNS. HOWEVER, DURING THE FLIGHT, THE PLT OF N3634E CHANGED TO NORTH/SOUTH RUN(S). SUBSEQUENTLY, THE TWO ACFT CONVERGED AND COLLIDED AS EACH WAS PULLING UP AT THE END OF A SWATH RUN.
NTSB Probable Cause Narrative
FAILURE OF THE PILOT OF N3634E TO FOLLOW THE BRIEFED PLAN OF OPERATION, AND FAILURE OF BOTH PILOTS TO SEE-AND-AVOID EACH OTHER (INADEQUATE VISUAL LOOKOUT).
Event Information
| Type of Event | Accident |
| Event Date | 5/8/1990 |
| Event Day of the Week | Tuesday |
| Time of Event | 1115 |
| Event Time Zone | Central Daylight Time |
| Event City | WOONSOCKET |
| Event State | SOUTH DAKOTA |
| Event Country | -- |
| Zipcode of the event site | 57285 |
| Event Date Year | 1990 |
| Event Date Month | 5 |
| MidAir Collision Indicator | Yes |
| 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 | 0 |
| Degrees magnetic from airport | 0 |
| Airport Elevation | 0 |
| Weather Briefing Completeness | Unknown |
| Investigator's weather source | Weather Observation Facility |
| Time of the weather observation | 1721 Central Daylight Time |
| Direction of event from weather observation facility (degrees) | 355 |
| Weather Observation Facility ID | HON |
| Elevation of weather observation facility | 1288 |
| Distance of event from weather observation facility (units?) | 16 |
| Time Zone of the weather observation | CDT |
| Lighting Conditions | Day |
| Lowest Ceiling Height | 0 |
| Lowest Non-Ceiling Height | 0 |
| Sky/Lowest/Cloud Conditions | Scattered |
| Sky Condition for Lowest Ceiling | None |
| Visibility Runway Visual Range (Feet) | 0 |
| Visibility Runway Visual Value (Statute Miles) | 0 |
| Visibility (Statute Miles) | 15 |
| Air Temperature at event time (in degrees celsius) | 18 |
| Dew Point at event time (in degress fahrenheit) | 4 |
| Wind Direction (degrees magnetic) | 310 |
| Variable Wind Indicator | Unknown |
| Wind Speed (knots) | 10 |
| Wind Velocity Indicator | Unknown |
| Wind Gust Indicator | Not Gusting |
| Wind Gust (knots) | 0 |
| Altimeter Setting at event time (in. Hg) | 29 |
| Density Altitude (feet) | 1600 |
| 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 | 1 |
| Injury Total Minor | -- |
| Injury Total None | 1 |
| Injury Total Serious | -- |
| Injury Total All | 1 |
| Investigating Agency | FAA |
| NTSB Docket Number (internal use) | 591 |
| NTSB Notification Source | -- |
| NTSB Notification Date | May 8 1990 12:00AM |
| NTSB Notification Time | 1115 |
| Fiche Number and/or location -used to find docket information | 41553 |
| Date of most recent change to record | Dec 12 2000 4:58PM |
| User who most recently changed record | dbo |
| Basic weather conditions | Visual Meteorological Cond |
| FAA District Office | -- |
Aircraft Involved |
||
|---|---|---|
Aircraft #1 |
Aircraft #2 |
|
| Aircraft Registration Number | N3634E | N6177A |
| NTSB Number | DEN90DTK01A | DEN90DTK01B |
| Missing Aircraft Indicator | N | N |
| Federal Aviation Reg. Part | Part 137: Agricultural | Part 137: Agricultural |
| Type of Flight Plan filed | None | None |
| Flight plan Was Activated? | -- | -- |
| Damage | Destroyed | Minor |
| Aircraft Fire | None | None |
| Aircraft Explosion | None | None |
| Aircraft Manufacturer's Full Name | PIPER | PIPER |
| Aircraft Model | PA-36-375 | PA-36-375 |
| Aircraft Series Identifier | PA-36-375 | PA-36-375 |
| Aircraft Serial Number | 36-7902042 | 36-8102017 |
| Certified Max Gross Weight | 4800 | 4800 |
| Aircraft Category | Airplane | Airplane |
| Aircraft Registration Class | U.S. Registered/U.S. Soil | U.S. Registered/U.S. Soil |
| Aircraft is a homebuilt? | No | No |
| Flight Crew Seats | -- | -- |
| Cabin Crew Seats | -- | -- |
| Passenger Seats | -- | -- |
| Total number of seats on the aircraft | 1 | 1 |
| Number of Engines | 1 | 1 |
| Fixed gear or retractable gear | Fixed | Fixed |
| Aircraft, Type of Last Inspection | Annual | Annual |
| Date of Last Inspection | Mar 17 1990 12:00AM | Jan 16 1990 12:00AM |
| Airframe hours since last inspection | 2 | 5 |
| Airframe Hours | 1990 | 1574 |
| ELT Installed | No | No |
| ELT Activated | Unknown | Unknown |
| ELT Aided Location of Event Site | Unknown | Unknown |
| ELT Type | -- | -- |
| Aircraft Owner Name | EMMETT HOFER | GARY HOFER |
| Aircraft Owner Street Address | R.R.1, | 1710 RIVERVIEW DRIVE |
| Aircraft Owner City | CARPENTER | HURON |
| Aircraft Owner State | SD | SD |
| Aircraft Owner Country | ||
| Aircraft Owner Zipcode | 57322 | 57350 |
| Operator is an individual? | -- | -- |
| Operator Name | ||
| Operator Same as Owner? | Yes | Yes |
| Operator Is Doing Business As | -- | -- |
| Operator Address Same as Owner? | Yes | Yes |
| Operator Street Address | ||
| Operator City | ||
| Operator State | ||
| Operator Country | ||
| Operator Zip code | ||
| Operator Code | HFAG | HFAG |
| Owner has at least one certificate | Yes - certificate holder | Yes - certificate holder |
| Other Operator of large aircraft? | No | No |
| Certified for Part 133 or 137 Operation | Agriculture | Agriculture |
| Operator Certificate Number | -- | -- |
| Indicates whether an air carrier operation was scheduled or not | Unknown | Unknown |
| Indicates Domestic or International Flight | Unknown | Unknown |
| Operator carrying Pax/Cargo/Mail | Unknown | Unknown |
| Type of Flying (Per_Bus / Primary) | Aerial Application | Aerial Application |
| Second Pilot on Board | No | No |
| Departure Point Same as Event | Yes | Yes |
| Departure Airport Code | NONE | |
| Departure City | WOONSOCKET | WOONSOCKET |
| Departure State | SD | SD |
| Departure Country | ||
| Departure Time | 1100 | 1100 |
| Departure Time Zone | CDT | CDT |
| Destination Same as Local Flt | dest & departure same, accident can occur anywhere | dest & departure same, accident can occur anywhere |
| Destination Airport Code | ||
| Destination City | ||
| Destination State | ||
| Destination Country | ||
| Specific Phase of Flight | Maneuvering | Maneuvering |
| Report sent to ICAO? | -- | -- |
| Evacuation occurred | -- | -- |
| Date of most recent change to record | Jan 2 2001 10:35AM | Jan 2 2001 10:35AM |
| User who most recently changed record | dbo | dbo |
| Since inspection or accident | -- | -- |
| Event Location Runway Number and Location | 0 | 0 |
| Runway Length | 0 | 0 |
| Runway Width | 0 | 0 |
| Sight Seeing flight | No | No |
| Air Medical Flight | No | No |
| Medical Flight | -- | -- |