NTSB investigations, 2013
216 cases where the phase of flight was Maneuvering.
Cases per year
| 1964 | 415 |
|---|---|
| 1965 | 419 |
| 1966 | 366 |
| 1967 | 410 |
| 1968 | 394 |
| 1969 | 360 |
| 1970 | 330 |
| 1971 | 384 |
| 1972 | 359 |
| 1973 | 407 |
| 1974 | 410 |
| 1975 | 407 |
| 1976 | 480 |
| 1977 | 443 |
| 1978 | 433 |
| 1979 | 384 |
| 1980 | 377 |
| 1981 | 374 |
| 1982 | 416 |
| 1983 | 476 |
| 1984 | 462 |
| 1985 | 402 |
| 1986 | 357 |
| 1987 | 357 |
| 1988 | 349 |
| 1989 | 313 |
| 1990 | 307 |
| 1991 | 350 |
| 1992 | 309 |
| 1993 | 315 |
| 1994 | 322 |
| 1995 | 320 |
| 1996 | 279 |
| 1997 | 262 |
| 1998 | 259 |
| 1999 | 267 |
| 2000 | 281 |
| 2001 | 257 |
| 2002 | 241 |
| 2003 | 263 |
| 2004 | 224 |
| 2005 | 212 |
| 2006 | 203 |
| 2007 | 222 |
| 2008 | 234 |
| 2009 | 208 |
| 2010 | 222 |
| 2011 | 250 |
| 2012 | 236 |
| 2013 | 216 |
| 2014 | 199 |
| 2015 | 217 |
| 2016 | 177 |
| 2017 | 201 |
| 2018 | 187 |
| 2019 | 197 |
| 2020 | 165 |
| 2021 | 186 |
| 2022 | 186 |
| 2023 | 191 |
| 2024 | 165 |
| 2025 | 145 |
| 2026 | 90 |
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 year(c.\"eventDate\") = 2013
AND c.\"mKey\" IN (SELECT case_mkey FROM case_phases WHERE main = 450)
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 year(c."eventDate") = 2013
AND c."mKey" IN (SELECT case_mkey FROM case_phases WHERE main = 450)
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 WPR14LA080Accident · Minor injuriesLimited investigationFinal reportCessna 172N · Pacoima, CAThe flight instructor’s inadequate compensation for the gusting crosswind conditions during landing, which resulted in a loss of airplane control.NTSB WPR14FA078Accident · 2 fatalField investigationFinal reportCessna 172K · Fresno, CAThe pilot’s failure to maintain adequate clearance from trees while on approach, which subsequently led to a loss of airplane control. Also causal was the pilot’s continued operation of the airplane at night with a diagnosed medical condition that degraded…NTSB WPR14WA072Accident · 1 fatalForeign investigationHughes 369E · Lake Ross, New Zealand, New ZealandOn December 15, 2013, at 0400 universal coordinated time, a Hughes 369E, ZK-HNA, collided with terrain under unknown circumstances near Lake Ross, South Island, New Zealand. The flight was operated by Milford Helicopters under the pertinent civil regulations…NTSB CEN14FA084Accident · 3 fatalField investigationFinal reportPiper PA 24-250 · Collbran, COThe pilot’s failure to maintain adequate airspeed while maneuvering at a low altitude, which resulted in an aerodynamic stall/spin and subsequent impact with terrain.NTSB WPR14LA062Accident · No injuriesLimited investigationFinal reportHiller UH 12E · Chowchilla, CAThe failure of the torsional drive coupling, which resulted in a loss of drive to the main rotor system during low-altitude flight.NTSB ERA14LA057Accident · 1 fatalLimited investigationFinal reportPiper PA-28-161 · Elkmont, ALA stuck exhaust valve, which resulted in a total loss of engine power at low altitude. Contributing to the accident were the pilot’s decision to fly at a low altitude, which reduced his forced landing options when the loss of engine power occurred; and poor…NTSB CEN14FA072Accident · 1 fatalField investigationFinal reportBiesemeier David I Smyth Sidewinder · Boulder, COThe pilot’s abrupt maneuver, which exceeded the structural limits of the left wing and resulted in its in-flight separation.NTSB CEN14LA056Accident · 1 fatalLimited investigationFinal reportPearson Jon M Dragonfly · Anahuac, TXThe incorrect installation by the pilot, who was not a certificated mechanic or repairman, of the main rotor head bearing block, which resulted in the in-flight separation of the rotor head.NTSB CEN14LA066Accident · No injuriesLimited investigationFinal reportQuad City Challenger I · Winsted, MNThe pilot’s failure to maintain airspeed while maneuvering for a precautionary landing after the light sport airplane started vibrating, which led to an inadvertent aerodynamic stall.NTSB WPR14CA048Accident · No injuriesData collectionFinal reportMaule MX 7-235 · San Ynez, CAThe pilot's failure to maintain terrain clearance while maneuvering at low altitude in hilly terrain.NTSB CEN14FA046Accident · 1 fatalField investigationFinal reportMitsubishi MU 2B-25 · Owasso, OKThe pilot's loss of airplane control during a known one-engine-inoperative condition. The reasons for the loss of control and engine shutdown could not be determined because the airplane was not equipped with a crash-resistant recorder and postaccident…NTSB CEN14LA048Accident · Minor injuriesLimited investigationFinal reportEurocopter Deutschland EC135P1 · Shreveport, LAThe mechanic's improper installation of the antitorque pedals, which resulted in an in-flight loss of helicopter control.NTSB WPR14FA044Accident · 3 fatalField investigationFinal reportCessna U206F · Donnelly, IDThe pilot's failure to maintain clearance from terrain while maneuvering in likely low-ceiling and low-visibility conditions in mountainous terrain.NTSB WPR14CA041Accident · No injuriesData collectionFinal reportBell 206B · Superior, MTThe pilot's failure to maintain aircraft control while maneuvering during a long-line operation.NTSB CEN14FA034Accident · 3 fatalField investigationFinal reportPiper PA 23-250 · Caledonia, MNThe pilot's loss of control for reasons that could not be determined because the postaccident airplane examination did not reveal any anomalies that would have precluded normal operation.NTSB WPR14FA037Accident · 1 fatalField investigationFinal reportMusick Lancair 235 · McMinnville, ORThe pilot's failure to maintain airplane control while intentionally performing maneuvers in an effort to troubleshoot a landing gear malfunction.NTSB CEN14FA024Accident · 1 fatalField investigationFinal reportBellanca 14-19-3A · Boerne, TXA defective exhaust system that allowed carbon monoxide to enter the cabin and impair the pilot, rendering him unable to control the airplane.NTSB ERA14CA032Accident · No injuriesData collectionFinal reportBeech V35B · Palm Coast, FLAn inadvertent collision with a black vulture.NTSB CEN14WA060Accident · No injuriesClass 5 · ForeignRobinson R22 - Alpha · Torreilles, FranceOn October 26, 2013, at 1226 UTC, a Robinson R22 helicopter, French registration, F-GPKA, collided with the terrain during an autorotation following a loss of power in Torreilles, France. The pilot and passenger were not injured. The helicopter was…NTSB WPR14WA034Accident · 2 fatalForeign investigationLancair Legacy · Shepparton, AustraliaOn October 25, 2013 about 1410 local time, an amateur built Lancair Legacy airplane, Australian registration VH-ICZ, collided with terrain near Shepparton, Australia. The airplane sustained substantial damage and the pilot and passenger were fatally injured.…NTSB WPR14WA029Accident · 1 fatalForeign investigationPZL Okecie M18 · Ulladulla, AustraliaOn October 24, 2013 about 1000 local time, a PZL M18A Dromader aircraft, Australian registration VH-TZJ, collided with terrain near Ulladulla, Australia. The airplane was substantially damaged and the pilot was fatally injured. The airplane was operated as an…NTSB WPR14WA032Accident · 1 fatalForeign investigationCessna 182 - Q · Mount Hotham, AustraliaOn October 23, 2013 about 1130 local time, a Cessna 182Q airplane, Australian registration VH-KKM, collided with terrain near Mount Hotham, Australia. The airplane sustained substantial damage and the pilot was fatally injured. The airplane was operated as a…NTSB ERA14FA010Accident · 3 fatalField investigationFinal reportEurocopter AS 350 B3 · Somerville, TNThe pilot’s inadvertent encounter with night, instrument meteorological conditions while responding to an obstacle alert, resulting in an in-flight loss of helicopter control.NTSB ERA14WA036Accident · 2 fatalForeign investigationPiper PA-34-200 · Marica, BrazilOn October 21, 2013, about 1840 universal coordinated time (UTC), a Piper PA-34-200, Brazilian registration PT-KGK, while on a local training flight, impacted in a lagoon, after a loss of control, in Marica Municipality – State of Rio de Janeiro, Brazil. The…NTSB CEN14FA019Accident · 1 fatalField investigationFinal reportPiper PA 28-140 · Talihina, OKThe pilot’s lack of weather planning and his continued flight into an area of known rain with reduced visibility and his subsequent failure to maintain clearance with trees.NTSB CEN14FA014Accident · 2 fatalField investigationFinal reportPiper PA 32R-301 · Huntsville, ARThe noninstrument-rated pilot’s continued flight into an area of known rain with reduced visibility and his failure to maintain airplane control while maneuvering the airplane after entering these conditions.NTSB CEN14CA039Accident · Minor injuriesData collectionFinal reportWohaska John Parsons Stiles Gyro · Festus, MOThe pilot's improper propeller adjustment, which resulted in decreased performance and a loss of aircraft control.NTSB WPR14WA030Accident · 1 fatalForeign investigationAyres S2R · Wave Rock, AustraliaOn October 18, 2013 about 1500 local time, an Ayres S2R airplane, Australian registration VH-JAY, collided with terrain near Wave Rock, Australia. The airplane was destroyed and the pilot was fatally injured. The airplane was operated as an agricultural…NTSB WPR14CA016Accident · No injuriesData collectionFinal reportChampion 7ECA · Willows, CAThe pilot's failure to maintain sufficient altitude while flying low over a field which resulted in a loss of aircraft control and collision with terrain.NTSB WPR14LA014Accident · No injuriesLimited investigationFinal reportBell Helicopter Textron 206L 1 · Seeley, CAThe total loss of engine power due to the failure of the No. 4 bearing.NTSB WPR14FA012Accident · 2 fatalField investigationFinal reportMooney M20E · Julian, CAThe pilot’s failure to maintain clearance from terrain while maneuvering to avoid clouds in mountainous terrain.NTSB CEN14LA003Accident · Serious injuriesLimited investigationFinal reportKenneth M Franz Ultra PUP · Belleville, TXThe pilot’s failure to maintain adequate airspeed and his exceedance of the airplane's critical angle-of-attack while turning back to the airport instead of landing straight ahead following a partial loss of engine power, which resulted in an aerodynamic…NTSB WPR14LA008Accident · 1 fatalLimited investigationFinal reportMcdonnell Douglas Heli 369 · Paducah, TXThe pilot’s failure to maintain clearance from a power transmission line tower while maneuvering to pick up a rope in gusting wind conditions.NTSB WPR14LA007Accident · 3 fatalLimited investigationFinal reportPiper PA32 - 300 · Tinian IslandThe pilot’s failure to maintain terrain clearance while maneuvering at low altitude in dark night conditions.NTSB ERA14LA008Accident · Minor injuriesLimited investigationFinal reportCessna 172 - F · Gainesville, FLA total loss of engine power for reasons that could not be determined because a postaccident engine examination and test run revealed no anomalies.NTSB WPR14LA005Accident · 4 fatalLimited investigationFinal reportCessna 340A · Paulden, AZThe pilot’s failure to maintain sufficient altitude to clear a radio tower while maneuvering at low altitude and his decision to make a high-speed, low pass over the gun club.NTSB WPR14CA003Accident · No injuriesData collectionFinal reportAir Tractor AT 402B · Wellton, AZThe pilot’s distracted attention and failure to maintain sufficient altitude to clear terrain while maneuvering in dark night conditions.NTSB CEN14CA017Accident · No injuriesData collectionFinal reportRobinson R22 - Beta · Chicago, ILThe flight instructor's failure to take remedial action in a timely manner.NTSB WPR13LA429Accident · Minor injuriesLimited investigationFinal reportTexas Helicopter OH-13E/M74 · Santa Maria, CAThe pilot's inadequate monitoring of the environment and failure to maintain clearance from transmission wires during a low-altitude maneuver.NTSB ERA13LA434Accident · 1 fatalLimited investigationFinal reportTimothy J Cowper Pitts Special S-1E · Edinburg, NYThe pilot’s failure to maintain adequate airspeed during low-altitude maneuvering, which resulted in the airplane exceeding its critical angle-of-attack and experiencing an aerodynamic stall.NTSB WPR13LA420Accident · 1 fatalLimited investigationFinal reportMiller RV6 · Williams, CAThe pilot's improper decision to fly at a low altitude, which resulted in his failure to maintain clearance from power lines.NTSB ERA13FA424Accident · 1 fatalField investigationFinal reportBrown Robert K RV7A · Hamilton Township, NJThe pilot's improper aerobatic maneuver that resulted in a loss of control, exceedance of the airplane's design limitations, and a subsequent in-flight breakup of the airplane.NTSB WPR13WA415Accident · 2 fatalForeign investigationLancair 360 - NO Series · Shenyang, ChinaOn September 17, 2013 about 0523 Universal Time, an experimental amateur-built Lancair, Canadian registration C-FXCK, collided with terrain while maneuvering near Shenyang, Liaoning Province, China. The airplane was participating in an aerobatic exhibition…NTSB WPR13FA411Accident · 1 fatalField investigationFinal reportBell UH 1B · Detroit, ORThe fatigue failure of the upper two tailboom attachment points, which resulted in the tailboom separating from the fuselage during logging operations. Contributing to the accident was poor maintenance throughout the helicopter’s operational life.NTSB WPR13LA407Accident · No injuriesLimited investigationFinal reportMooney M20J · Lund, NVThe pilot’s failure to monitor the environment, which led to a collision with power lines during climbout. Contributing to the accident was the loss of engine power during low-altitude flight for reasons that could not be determined because postaccident…NTSB CEN13WA548Accident · 3 fatalForeign investigationRobinson R44 · Wygonin, PolandOn September 13, 2013, about 0750 coordinated universal time, a Robinson R44 II helicopter, SP-WNP, impacted terrain near Wygonin, Poland. A postimpact fire ensued. The pilot and two passengers were fatally injured and the helicopter was destroyed. The flight…NTSB CEN13CA550Accident · No injuriesData collectionFinal reportPiper PA-28-161 · Princeton, MNAn in-flight collision with a bald eagle.NTSB WPR13CA425Accident · No injuriesData collectionFinal reportCessna M337B · Spanish Fork, UTThe pilot's failure to properly manage fuel which resulted in fuel exhaustion and subsequent loss of power to the forward engine.NTSB ANC13FA095Accident · 1 fatalField investigationFinal reportZenith 701 · Big Lake, AKThe pilot's failure to maintain adequate airspeed while maneuvering at a low altitude, which resulted in a stall and subsequent spin from which he could not recover.NTSB WPR13FA400Accident · 1 fatalField investigationFinal reportCantrell LW Challenger II SP · Prineville, ORThe in-flight failure of the left elevator control torque tube. Contributing to the accident was the improper assembly of the elevator control torque tubes.