NTSB investigations, SD
190 cases where the phase of flight was Enroute.
Cases per year
| 1962 | 1 |
|---|---|
| 1964 | 3 |
| 1965 | 3 |
| 1966 | 8 |
| 1967 | 10 |
| 1968 | 12 |
| 1969 | 6 |
| 1970 | 5 |
| 1971 | 8 |
| 1972 | 6 |
| 1973 | 7 |
| 1974 | 9 |
| 1975 | 8 |
| 1976 | 5 |
| 1977 | 4 |
| 1978 | 8 |
| 1979 | 2 |
| 1980 | 3 |
| 1981 | 5 |
| 1982 | 1 |
| 1983 | 4 |
| 1984 | 3 |
| 1985 | 2 |
| 1986 | 1 |
| 1988 | 2 |
| 1989 | 1 |
| 1990 | 2 |
| 1991 | 2 |
| 1993 | 1 |
| 1994 | 2 |
| 1995 | 3 |
| 1996 | 2 |
| 1997 | 2 |
| 1998 | 5 |
| 1999 | 3 |
| 2000 | 2 |
| 2001 | 2 |
| 2002 | 1 |
| 2003 | 4 |
| 2004 | 1 |
| 2005 | 1 |
| 2006 | 2 |
| 2008 | 3 |
| 2009 | 2 |
| 2011 | 1 |
| 2012 | 3 |
| 2013 | 2 |
| 2014 | 2 |
| 2016 | 2 |
| 2017 | 2 |
| 2018 | 2 |
| 2019 | 1 |
| 2021 | 1 |
| 2022 | 2 |
| 2024 | 2 |
| 2025 | 1 |
| 2026 | 2 |
Where
Latest cases
Query with SQL
duckdb -csv -c "WITH phase_names(main, name) AS (VALUES (100, 'Prior to flight'), (150, 'Standing'), (200, 'Pushback/towing'), (250, 'Taxi'), (300, 'Takeoff'), (350, 'Initial climb'), (400, 'Enroute'), (450, 'Maneuvering'), (500, 'Approach'), (550, 'Landing'), (600, 'Emergency descent'), (650, 'Uncontrolled descent'), (700, 'Post-impact'), (750, 'After landing'), (800, 'Other'), (990, 'Unknown')),
crosswalk(code, main, name) AS (VALUES (500, 150, 'Standing'), (501, 150, 'Standing - pre-flight'), (502, 150, 'Standing - starting engine(s)'), (503, 150, 'Standing - engine(s) operating'), (504, 150, 'Standing - engine(s) not operating'), (505, 150, 'Standing - idling rotors'), (510, 250, 'Taxi'), (511, 200, 'Taxi - pushback/tow'), (512, 250, 'Taxi - to takeoff'), (513, 250, 'Taxi - from landing'), (514, 250, 'Taxi - aerial'), (520, 300, 'Takeoff'), (521, 300, 'Takeoff - roll/run'), (522, 350, 'Takeoff - initial climb'), (523, 300, 'Takeoff - aborted'), (530, 400, 'Climb'), (531, 400, 'Climb - to cruise'), (540, 400, 'Cruise'), (541, 400, 'Cruise - normal'), (542, 400, 'Maneuvering - holding (IFR)'), (550, 400, 'Descent'), (551, 400, 'Descent - normal'), (552, 600, 'Descent - emergency'), (553, 650, 'Descent - uncontrolled'), (560, 500, 'Approach'), (561, 500, 'Approach - VFR pattern - downwind'), (562, 500, 'Approach - VFR pattern - base turn'), (563, 500, 'Approach - VFR pattern - base leg/base to final'), (564, 500, 'Approach - VFR pattern - final approach'), (565, 500, 'Go-around (VFR)'), (566, 500, 'Approach - IAF to FAF/outer marker (IFR)'), (567, 500, 'Approach - FAF/outer marker to threshold (IFR)'), (568, 500, 'Circling (IFR)'), (569, 500, 'Missed approach (IFR)'), (570, 550, 'Landing'), (571, 550, 'Landing - flare/touchdown'), (572, 550, 'Landing - roll'), (573, 550, 'Landing - aborted'), (574, 550, 'Emergency landing'), (575, 550, 'Emergency landing after takeoff'), (576, 600, 'Emergency descent/landing'), (580, 450, 'Maneuvering'), (581, 450, 'Maneuvering - aerial application'), (582, 450, 'Maneuvering - turn to reverse direction'), (583, 450, 'Maneuvering - turn to landing area (emergency)'), (590, 450, 'Hover'), (591, 450, 'Hover - in ground effect'), (592, 450, 'Hover - out of ground effect'), (600, 800, 'Other'), (610, 990, 'Unknown')),
current_codes AS (
SELECT e.case_mkey, TRY_CAST(e.\"tier1Number\" AS INTEGER) AS code,
row_number() OVER (PARTITION BY e.case_mkey ORDER BY coalesce(e.\"isDefiningEvent\", false) DESC, e.position) AS n
FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e
WHERE e.aircrafts_position = 1 AND e.\"tier1Number\" GLOB '[1-9][0-9]*'
AND (e.\"isDefiningEvent\" OR e.case_mkey IN (SELECT \"mKey\" FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' WHERE \"isPre1982\"))
),
phases AS (
SELECT case_mkey, 'current' AS scheme, code, CASE WHEN code >= 990 THEN 990 ELSE code // 50 * 50 END AS main
FROM current_codes WHERE n = 1
UNION ALL
SELECT o.case_mkey, 'older', o.\"phaseOfFlightCode\", w.main
FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o JOIN crosswalk w ON w.code = o.\"phaseOfFlightCode\"
WHERE o.aircrafts_position = 1 AND o.\"occurrenceNumber\" = 1 AND o.case_mkey NOT IN (SELECT case_mkey FROM current_codes)
),
case_phases AS (
SELECT p.*, c.\"eventDate\", c.\"highestInjuryLevel\" = 'Fatal' AS fatal, a.aircraft_model_code
FROM phases p JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c.\"mKey\" = p.case_mkey
LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = p.case_mkey AND a.position = 1
WHERE c.\"eventDate\" >= DATE '1962-01-01' AND p.main IN (SELECT main FROM phase_names)
)
SELECT c.\"ntsbNumber\", c.\"eventDate\", c.\"eventType\", c.\"eventCity\", c.\"eventStateOrRegion\", a.n_number, a.\"aircraftMake\", a.\"aircraftModel\", c.\"highestInjuryLevel\", c.\"totalFatal\", c.\"completionStatus\", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c.\"mKey\" AND a.position = 1
WHERE c.\"eventStateOrRegion\" = 'SD' AND c.\"eventCountry\" = 'USA'
AND c.\"mKey\" IN (SELECT case_mkey FROM case_phases WHERE main = 400)
ORDER BY c.\"eventDate\" DESC, c.\"ntsbNumber\" DESC"Prints the whole list as CSV. It reads the release’s Parquet files over HTTPS, so there’s nothing to download first. Install DuckDB to run it.
WITH phase_names(main, name) AS (VALUES (100, 'Prior to flight'), (150, 'Standing'), (200, 'Pushback/towing'), (250, 'Taxi'), (300, 'Takeoff'), (350, 'Initial climb'), (400, 'Enroute'), (450, 'Maneuvering'), (500, 'Approach'), (550, 'Landing'), (600, 'Emergency descent'), (650, 'Uncontrolled descent'), (700, 'Post-impact'), (750, 'After landing'), (800, 'Other'), (990, 'Unknown')),
crosswalk(code, main, name) AS (VALUES (500, 150, 'Standing'), (501, 150, 'Standing - pre-flight'), (502, 150, 'Standing - starting engine(s)'), (503, 150, 'Standing - engine(s) operating'), (504, 150, 'Standing - engine(s) not operating'), (505, 150, 'Standing - idling rotors'), (510, 250, 'Taxi'), (511, 200, 'Taxi - pushback/tow'), (512, 250, 'Taxi - to takeoff'), (513, 250, 'Taxi - from landing'), (514, 250, 'Taxi - aerial'), (520, 300, 'Takeoff'), (521, 300, 'Takeoff - roll/run'), (522, 350, 'Takeoff - initial climb'), (523, 300, 'Takeoff - aborted'), (530, 400, 'Climb'), (531, 400, 'Climb - to cruise'), (540, 400, 'Cruise'), (541, 400, 'Cruise - normal'), (542, 400, 'Maneuvering - holding (IFR)'), (550, 400, 'Descent'), (551, 400, 'Descent - normal'), (552, 600, 'Descent - emergency'), (553, 650, 'Descent - uncontrolled'), (560, 500, 'Approach'), (561, 500, 'Approach - VFR pattern - downwind'), (562, 500, 'Approach - VFR pattern - base turn'), (563, 500, 'Approach - VFR pattern - base leg/base to final'), (564, 500, 'Approach - VFR pattern - final approach'), (565, 500, 'Go-around (VFR)'), (566, 500, 'Approach - IAF to FAF/outer marker (IFR)'), (567, 500, 'Approach - FAF/outer marker to threshold (IFR)'), (568, 500, 'Circling (IFR)'), (569, 500, 'Missed approach (IFR)'), (570, 550, 'Landing'), (571, 550, 'Landing - flare/touchdown'), (572, 550, 'Landing - roll'), (573, 550, 'Landing - aborted'), (574, 550, 'Emergency landing'), (575, 550, 'Emergency landing after takeoff'), (576, 600, 'Emergency descent/landing'), (580, 450, 'Maneuvering'), (581, 450, 'Maneuvering - aerial application'), (582, 450, 'Maneuvering - turn to reverse direction'), (583, 450, 'Maneuvering - turn to landing area (emergency)'), (590, 450, 'Hover'), (591, 450, 'Hover - in ground effect'), (592, 450, 'Hover - out of ground effect'), (600, 800, 'Other'), (610, 990, 'Unknown')),
current_codes AS (
SELECT e.case_mkey, TRY_CAST(e."tier1Number" AS INTEGER) AS code,
row_number() OVER (PARTITION BY e.case_mkey ORDER BY coalesce(e."isDefiningEvent", false) DESC, e.position) AS n
FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e
WHERE e.aircrafts_position = 1 AND e."tier1Number" GLOB '[1-9][0-9]*'
AND (e."isDefiningEvent" OR e.case_mkey IN (SELECT "mKey" FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' WHERE "isPre1982"))
),
phases AS (
SELECT case_mkey, 'current' AS scheme, code, CASE WHEN code >= 990 THEN 990 ELSE code // 50 * 50 END AS main
FROM current_codes WHERE n = 1
UNION ALL
SELECT o.case_mkey, 'older', o."phaseOfFlightCode", w.main
FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o JOIN crosswalk w ON w.code = o."phaseOfFlightCode"
WHERE o.aircrafts_position = 1 AND o."occurrenceNumber" = 1 AND o.case_mkey NOT IN (SELECT case_mkey FROM current_codes)
),
case_phases AS (
SELECT p.*, c."eventDate", c."highestInjuryLevel" = 'Fatal' AS fatal, a.aircraft_model_code
FROM phases p JOIN 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c ON c."mKey" = p.case_mkey
LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = p.case_mkey AND a.position = 1
WHERE c."eventDate" >= DATE '1962-01-01' AND p.main IN (SELECT main FROM phase_names)
)
SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1
WHERE c."eventStateOrRegion" = 'SD' AND c."eventCountry" = 'USA'
AND c."mKey" IN (SELECT case_mkey FROM case_phases WHERE main = 400)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESCRun it at the DuckDB prompt, or in any tool that reads Parquet over HTTPS. More ways to query the release are on Use the data.
NTSB CEN27LA011Accident · Minor injuriesClass 4 · LimitedInvestigation openFlight Design Ctls · Yankton, SDNTSB CEN26LA332Accident · Serious injuriesClass 3 · LimitedPreliminary reportPiper PA18 · Karinen, SDOn September 17, 2026, about 0710 mountain daylight time, a Piper PA18-150 airplane, N3879Z, was substantially damaged when it was involved in an accident near Karinen, South Dakota. The pilot was seriously injured. The airplane was operated as a Title 14…NTSB CEN25LA368Accident · Minor injuriesClass 3 · LimitedPreliminary reportBeech 35-C33 · Brookings, SDOn September 6, 2025, about 0859 central daylight time, a Beech 35-C33 airplane, N1310A, was destroyed when it was involved in an accident near Brookings, South Dakota. The pilot and two passengers sustained minor injuries. The airplane was operated as a…NTSB CEN24LA341Accident · No injuriesClass 3 · LimitedFinal reportTaylorcraft BC12-D · Trojan, SDThe partial loss of engine power due to a loose magneto and subsequent impact with terrain.NTSB CEN24FA295Accident · 1 fatalClass 3 · FieldFinal reportPiper PA-28-180 · Irene, SDThe pilot’s poor decision to continue the flight into deteriorating weather conditions and his failure to maintain a safe altitude, which resulted in controlled flight into trees and terrain.NTSB CEN22FA433Accident · 1 fatalClass 3 · FieldFinal reportAirgyro AG915 · Yankton, SDA loss of control while an in-flight fire occurred, which resulted in an impact with terrain. Contributing to the accident was the pilot/builder’s improper engine build procedures.NTSB CEN22LA313Accident · No injuriesClass 3 · LimitedFinal reportPiper PA-24-260 · Rapid City, SDA total loss of engine power for reasons that could not be determined because the airplane was unavailable for examination.NTSB CEN21LA316Accident · No injuriesClass 3 · LimitedFinal reportCessna 172F · Eagle Butte, SDA total loss of engine power due to the fatigue failure of the No. 6 connecting rod.NTSB CEN19FA307Accident · 2 fatalClass 3 · FieldFinal reportCessna 140 · Lakeview, SDThe student pilot’s failure to maintain control of the airplane, which resulted in the exceedance of the airplane’s critical angle-of-attack, an aerodynamic stall, and subsequent impact with terrain, and the student pilot’s non-compliance and lack of…NTSB CEN19FA021Accident · 1 fatalField investigationFinal reportCessna 210 · Bradley, SDThe non-instrument-rated pilot's improper decision to conduct a flight in which instrument meteorological conditions existed along the route of flight, which resulted in spatial disorientation and a loss of airplane control.NTSB CEN18LA146Accident · Minor injuriesLimited investigationFinal reportCessna T303 · Pine Ridge, SDThe airplane’s inadvertent encounter with severe icing conditions during descent, which resulted in structural icing, the pilot’s inability to maintain altitude, and an emergency landing. Contributing to the accident was an incomplete preflight weather…NTSB CEN17LA265Accident · Minor injuriesLimited investigationFinal reportCubcrafters CC11-160 · Milesville, SDFuel starvation and a subsequent loss of engine power for reasons that could not be determined because a postaccident examination and a test run of the engine did not reveal any anomalies. Contributing to the accident was the pilot’s failure to maintain…NTSB CEN17IA094Incident · No injuriesClass 2 · IncidentFinal reportEurocopter Deutschland MBB BK 117 C-2 · Sioux Falls, SDThe gas generator rear bearing oil scavenge line blocked with coke, which resulted in a failed rear bearing due to an excess of oil lubrication. Contributing to the incident was the operator not completely performing the maintenance items and not utilizing an…NTSB DCA16IA215Incident · Minor injuriesIncident investigationFinal reportAirbus A320 232 · Wood, SDan inadvertent encounter with convective turbulence while in cruise flight.NTSB CEN16LA275Accident · Minor injuriesClass 3 · LimitedFinal reportMeyers 200 · Huron, SDThe partial loss of engine power due an unsecured throttle cable. The reason for the unsecured throttle cable could not be determined.NTSB CEN15CA006Accident · Minor injuriesData collectionFinal reportPiper PA 31-350 · Glenham, SDThe pilot's improper fuel management, which resulted in losses of power on both engines due to fuel exhaustion.NTSB CEN14FA224Accident · 4 fatalField investigationFinal reportPiper PA 32R-300 · Highmore, SDThe pilot's decision to continue the flight into known deteriorating weather conditions at a low altitude and his subsequent failure to remain clear of an unlit wind turbine. Contributing to the accident was the inoperative obstruction light on the wind…NTSB CEN13LA367Accident · No injuriesLimited investigationFinal reportPiper PA-28-140 · De Smet, SDA loss of engine power for reasons that could not be determined because postaccident examinations of the airplane and engine revealed no mechanical malfunctions or failures that would have precluded normal operation.NTSB CEN13LA220Accident · Minor injuriesLimited investigationFinal reportWalker Phil RV-6A · Spearfish, SDThe coil-distributor wire loosening in flight, which rendered the ignition system inoperative and subsequently caused the loss of engine power.NTSB CEN12LA557Accident · No injuriesLimited investigationFinal reportBell 47G-2 · Flandreau, SDA malfunction of the helicopter’s throttle system, which resulted in a loss of engine power during cruise flight.NTSB CEN12LA242Accident · Minor injuriesLimited investigationFinal reportBell 407 · Aberdeen, SDThe fatigue failure of two turbine engine blades due to vibration.NTSB CEN12LA175Accident · No injuriesLimited investigationFinal reportPiper PA-28-161 · Rapid City, SDThe loss of engine power during climb due to carburetor icing. Contributing to the accident was the limited travel of the carburetor heat valve which prevented application of maximum carburetor heat.NTSB CEN12FA001Accident · 1 fatalField investigationFinal reportRobinson Helicopter R66 · Philip, SDThe in-flight separation of the main rotor mast following a mast bumping event. The reason for the mast bumping event could not be determined due to postaccident damage.NTSB CEN09CA519Accident · No injuriesData collectionFinal reportCessna 182A · Watertown, SDA loss of engine power due to fuel exhaustion as a result of a fuel tank leak. Contributing to the accident was the reported malfunction of the fuel gauge.NTSB CEN09LA388Accident · Serious injuriesLimited investigationFinal reportBeech B100 · Rapid City, SDThe flight crewmembers’ failure to secure the patient using the available over-the-shoulder restraints and the encounter with clear-air turbulence during cruise descent.NTSB CEN09CA026Accident · Minor injuriesData collectionFinal reportHolland Rotorway 162F · Rutland, SDThe loss of torque due to a failure of a transmission drivebelt and the pilot's delayed landing flare during the autorotation. Contributing to the accident was the dusk light condition and the corn crop.NTSB CHI08CA246Accident · No injuriesData collectionFinal reportAir Tractor AT-802A · Turton, SDThe failure of the starter generator which resulted in the subsequent loss of engine power. Contributing to the accident were the low altitude at which the airplane was operating, the tall grass, and the ditch.NTSB CHI08CA235Accident · Minor injuriesData collectionFinal reportCessna 150L · Watertown, SDThe pilot's failure to maintain altitude/clearance from terrain during cruise. Contributing to the accident was the night, the haze, and the tall vegetation.NTSB CHI06FA264Accident · 1 fatalField investigationFinal reportBeech BE-95-B55 · N. Sioux City, SDThe pilot's failure to maintain control of the airplane during cruise flight, and subsequent inadvertent flat spin from which he could not recover. Contributing to the accident were clouds, turbulence, and rain showers.NTSB CHI06LA078Accident · No injuriesLimited investigationFinal reportCirrus Design SR22 · Wagner, SDThe pilot not maintaining airplane control and the inadvertent stall encountered during the climb. A factor was the instrument meteorological conditions.NTSB CHI06CA002Accident · No injuriesData collectionFinal reportCreed RV-4 · Mitchell, SDThe mechanic's improper installation of the air filter assembly which resulted in foreign debris inside the carburetor. A factor associated with the accident was the rough terrain on which the airplane was landed.NTSB CHI04CA091Accident · No injuriesData collectionFinal reportCessna C-180 · Aberdeen, SDThe pilot's improper fuel management due to his delay in transferring auxiliary fuel which resulted in exhaustion of fuel from the main fuel tanks. The excessive fuel flow for undetermined reasons, the road embankment, the inaccurate fuel level indicators,…NTSB CHI03LA299Accident · No injuriesLimited investigationFinal reportPiper J3C-65 · South Shore, SDA loss of engine power for undetermined reasons. A factor was the soft terrain encountered during the forced landing.NTSB CHI03IA300Incident · No injuriesIncident investigationFinal reportCessna 650 · Rapid City, SDThe in-flight failure of the right wing aileron cable during cruise.NTSB CHI03FA141Accident · 1 fatalField investigationFinal reportCessna 182Q · Gettysburg, SDThe pilot not maintaining aircraft control in cruise flight leading to his inadvertent spiral. A factor was the pilot's in-flight encounter with moderate to heavy rain.NTSB CHI03LA133Accident · 1 fatalLimited investigationFinal reportAir & Space 18A · South Shore, SDThe pilot's failure to maintain clearance from the terrain. The pilot's lack of experience, the rain, the dark night, the low ceiling, and the rising terrain were contributing factors to the accident.NTSB CHI02FA288Accident · 4 fatalField investigationFinal reportBell 206L-1 · Doland, SDPilot spatial disorientation while flying in dark night conditions, resulting in a loss of aircraft control; and the company's inadequate remedial actions after identifying the pilot's night flying deficiency over areas without lighted references. A factor to…NTSB CHI01FA113Accident · 3 fatalField investigationFinal reportBeech 95-B55 · Norris, SDThe pilot encountering instrument meteorological conditions and his subsequent loss of control of the airplane.NTSB CHI01LA086Accident · No injuriesLimited investigationFinal reportCessna 310Q · Mitchell, SDThe pilot disregarded the aircraft limitation placard, and attempted flight into known adverse weather after receiving a hazardous weather advisory. Factors to the accident were the ice-covered cockpit windshield, the ice-covered runway, and the snowbank.NTSB CHI01LA053Accident · No injuriesLimited investigationFinal reportCessna 150M · New Underwood, SDThe pilot's inadequate planning and preparation, which resulted in fuel exhaustion. A factor relating to this accident was the plowed field.NTSB CHI00FA265Accident · 3 fatalField investigationFinal reportCessna 340A · Mission, SDthe aircraft control not maintained by the pilot. A contributing factor was pilot fatigue.NTSB DCA00MA005Accident · 6 fatalClass 1 · MajorFinal reportLearjet 35 · Aberdeen, SDIncapacitation of the flight crewmembers as a result of their failure to receive supplemental oxygen following a loss of cabin pressurization, for undetermined reasons.NTSB CHI99LA355Accident · Minor injuriesLimited investigationFinal reportPiper PA-28-181 · Hermosa, SDthe pilot's improper fuel management, improper in-flight decision and the precautionary landing. Factors relating to this accident were the pilot's inadequate preflight planning and the fence post.NTSB CHI99FA089Accident · 2 fatalField investigationFinal reportPiper PA-18-150 · Belle Fourche, SDinadequate preflight planning/preparation, refueling not performed, and aircraft control not maintained by the pilot. The inadvertent stall by the pilot was an additional cause. Fuel exhaustion was a contributing factor.NTSB CHI98LA307Accident · No injuriesLimited investigationFinal reportCessna 150L · Philip, SDthe fuel exhaustion due to the pilot's inadequate preflight inspection. A factor was the soft field.NTSB CHI98LA235Accident · 1 fatalLimited investigationFinal reportPiper PA-22-108 · Spearfish, SDthe pilots improper preflight planning, which failed to detect the fuel selector positioned on the left fuel tank, which had insufficient fuel, resulting in fuel starvation, and the loss of engine power.NTSB CHI98LA120Accident · 2 fatalLimited investigationFinal reportRodgers Raven · Brandt, SDThe pilot's failure to maintain adequate airspeed which resulted in an inadvertent stall. A factor contributing to this accident was the pilot's lack of experience in the airplane.NTSB CHI98LA109Accident · Minor injuriesLimited investigationFinal reportCessna 180 · Whitewood, SDfailure of the pilot to maintain clearance from obstructions (wires) during an approach for a precautionary landing. Factors associated with the accident were: the pilot's inadequate evaluation of the weather conditions, low ceilings, icing conditions, and…NTSB CHI98LA104Accident · No injuriesLimited investigationFinal reportMooney M20C · White River, SDthe pilot's delay in applying carburetor heat. A factor associated with the accident was the low altitude at which the pilot was flying which limited his landing site selections when the loss of power occurred.NTSB CHI97FAMS3Accident · 1 fatalMissing aircraftFinal reportGrumman American AA-5 · Lower Brule, SDundetermined due to the accident airplane not being available for examination.