NTSB investigations, 2015
165 cases where the phase of flight was Initial climb.
Cases per year
| 1962 | 3 |
|---|---|
| 1963 | 4 |
| 1964 | 505 |
| 1965 | 555 |
| 1966 | 582 |
| 1967 | 587 |
| 1968 | 577 |
| 1969 | 582 |
| 1970 | 552 |
| 1971 | 541 |
| 1972 | 507 |
| 1973 | 482 |
| 1974 | 556 |
| 1975 | 543 |
| 1976 | 521 |
| 1977 | 556 |
| 1978 | 566 |
| 1979 | 502 |
| 1980 | 505 |
| 1981 | 499 |
| 1982 | 490 |
| 1983 | 507 |
| 1984 | 466 |
| 1985 | 418 |
| 1986 | 394 |
| 1987 | 380 |
| 1988 | 368 |
| 1989 | 348 |
| 1990 | 351 |
| 1991 | 324 |
| 1992 | 306 |
| 1993 | 307 |
| 1994 | 292 |
| 1995 | 289 |
| 1996 | 244 |
| 1997 | 272 |
| 1998 | 266 |
| 1999 | 239 |
| 2000 | 221 |
| 2001 | 219 |
| 2002 | 200 |
| 2003 | 227 |
| 2004 | 210 |
| 2005 | 204 |
| 2006 | 180 |
| 2007 | 202 |
| 2008 | 212 |
| 2009 | 173 |
| 2010 | 162 |
| 2011 | 177 |
| 2012 | 193 |
| 2013 | 122 |
| 2014 | 130 |
| 2015 | 165 |
| 2016 | 141 |
| 2017 | 149 |
| 2018 | 155 |
| 2019 | 146 |
| 2020 | 112 |
| 2021 | 166 |
| 2022 | 161 |
| 2023 | 163 |
| 2024 | 143 |
| 2025 | 134 |
| 2026 | 104 |
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\") = 2015
AND c.\"mKey\" IN (SELECT case_mkey FROM case_phases WHERE main = 350)
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") = 2015
AND c."mKey" IN (SELECT case_mkey FROM case_phases WHERE main = 350)
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 WPR16LA043Accident · Serious injuriesClass 3 · LimitedFinal reportAerostar Acft Corp Of Texas M20F · Nogales, AZThe airplane’s impact with a hillside shortly after takeoff for reasons that could not be determined.NTSB ERA16LA078Accident · Serious injuriesLimited investigationFinal reportPiper PA-46 · Corinth, MSThe pilot's inadequate preflight inspection and his subsequent failure to maintain airplane control, which resulted in an access door opening after takeoff, and the airplane exceeding its critical angle of attack and experiencing an aerodynamic stall.NTSB ERA16LA077Accident · Serious injuriesLimited investigationFinal reportBeech A36 · Myerstown, PAThe pilot's failure to maintain control of the airplane during climbout due to his distraction with raising the landing gear.NTSB ANC16LA010Accident · No injuriesLimited investigationFinal reportRobinson Helicopter R44 II · Valdez, AKThe overhaul facility’s improper and excessive use of an approved lubricant during overhaul of the fuel injection servo, which resulted in a disruption of fuel flow and a total loss of engine power.NTSB WPR16LA039Accident · No injuriesLimited investigationFinal reportMooney M20E · Corona, CAA partial loss of engine power during initial climb for reasons that could not be determined based on available information. Contributing to the accident was the pilot’s decision to conduct the takeoff with observed engine deficiencies.NTSB ERA16LA068Accident · 1 fatalLimited investigationFinal reportMccorkle Robert B Rans S-12 Airaile · Benton, TNThe pilot's failure to maintain airplane control during the initial climb, which resulted in the airplane exceeding its critical angle of attack and an aerodynamic stall/spin.NTSB ERA16LA065Accident · No injuriesClass 3 · LimitedFinal reportDehavilland Tiger Moth DH 82A · Modena, NYA partial loss of engine power due to a stuck No. 1 cylinder exhaust valve.NTSB CEN16LA061Accident · Minor injuriesLimited investigationFinal reportGlobe GC 1B · Lake Elmo, MNA loss of engine power due to the carburetor’s primary venturi, fuel nozzle, or both separating after takeoff.NTSB ERA16LA062Accident · No injuriesLimited investigationFinal reportBeech D35 · Vine Grove, KYThe pilot’s failure to ensure that the fuel selector was properly positioned before takeoff, which resulted in the subsequent total loss of engine power due to fuel starvation.NTSB ERA16LA061Accident · Minor injuriesLimited investigationFinal reportPiper PA-24 · Millville, NJThe total loss of engine power during initial climb for reasons that could not be determined because postaccident examination of the engine revealed no anomalies that would have precluded normal operation.NTSB ERA16LA053Accident · Serious injuriesLimited investigationFinal reportPiper PA-32 · Opa Locka, FLMaintenance personnel's inadequate inspection of the exhaust system, which resulted in the escape of exhaust gases into the engine compartment and a subsequent total loss of engine power.NTSB ERA16LA051Accident · Serious injuriesLimited investigationFinal reportPiper PA28 · Lawrenceville, GAThe flight instructor's inadequate fuel management, which resulted in a total loss of engine power during initial climb due to fuel starvation and a subsequent forced landing.NTSB ERA16LA046Accident · No injuriesLimited investigationFinal reportMooney M20 · Fort Meade, MDA partial loss of engine power for reasons that could not be determined because postaccident examination of the engine revealed no mechanical malfunctions or failures that would have precluded normal operation.NTSB ERA16FA043Accident · 2 fatalField investigationFinal reportBeech A36TC · Orlando, FLThe pilot's failure to maintain adequate airspeed while turning to join the final approach leg of the airport traffic pattern with full airplane-nose-up trim, which resulted in the airplane exceeding its critical angle of attack and experiencing an…NTSB WPR16LA031Accident · No injuriesLimited investigationFinal reportCessna 210 · Coalinga, CAA partial loss of engine power during takeoff for reasons that could not be determined, because postaccident examination revealed no mechanical malfunctions or failures that would have precluded normal operation.NTSB ERA16WA047Accident · 2 fatalForeign investigationCessna 402B · Choco, ColombiaOn November 17, 2015, about 1550 coordinated universal time, a Cessna 402B, Colombian registration HK4981G, was destroyed when it descended and impacted the ground in a residential area, during takeoff from Acandi Airport (SKAD), Choco, Colombia. The pilot…NTSB ERA16LA041Accident · No injuriesLimited investigationFinal reportWoodrow Larry W Sonex · Morganton, NCThe pilot/owner’s inadequate maintenance inspection following a propeller strike, which resulted in the subsequent in-flight propeller separation due to propagation of fatigue cracks in the crankshaft.NTSB WPR16LA023Accident · No injuriesLimited investigationFinal reportThorp T 18 · Independence, ORA separation of the canopy mechanism during flight, which resulted in the pilot’s precautionary landing and the airplane’s subsequent collision with a fence post.NTSB CEN16LA033Accident · Serious injuriesLimited investigationFinal reportCessna 120 · Gonzales, LAMaintenance personnel’s improper installation of the carburetor during recent maintenance, including the omission of a required cotter pin, which resulted in a total loss of engine power.NTSB GAA16CA067Accident · Minor injuriesData collectionFinal reportTaylorcraft BC12 65 · New Lisbon, WIThe pilot's exceedance of the airplane's critical angle of attack, resulting in an inadvertent aerodynamic stall and impact with terrain.NTSB DCA16WA081Accident · No injuriesForeign investigationGulfstream G1159 · Kinshasa, Congo - KinshasaThe government of Democratic Republic of Congo (DRC) has notified the NTSB of an accident involving a Gulfstream G1159 airplane that occurred on November 01, 2015. The NTSB has appointed a U.S. Accredited Representative to assist the government of DRC's…NTSB CEN16LA025Accident · No injuriesLimited investigationFinal reportChampion 7ECA · Sheridan, ARThe partial loss of engine power due to carburetor icing.NTSB CEN16FA024Accident · 4 fatalField investigationFinal reportRaytheon A36 · Pottsville, ARThe pilot's failure to maintain a sufficient climb rate during departure in instrument meteorological conditions, which resulted in controlled flight into terrain.NTSB ERA16FA023Accident · 1 fatalField investigationFinal reportMooney M20M · Worcester, MAA total loss of engine power during the initial climb due to a fatigue failure of the engine's crankshaft. Contributing to the accident was the pilot's failure to maintain control of the airplane, which resulted in an aerodynamic stall.NTSB ERA16RA021Accident · 10 fatalForeign investigationBeech 60 · Bogota, ColombiaOn October 18, 2015 at 2119 UTC, a Beechcraft B60, Colombian registration HK3917G, registered to and operated by Sky Hub Aviation, was destroyed during a collision with a building in Barrio El Lujan, Bogota, Colombia. The pilot, three passengers, and six…NTSB WPR16FA012Accident · 1 fatalField investigationFinal reportBucker Jungmeister BU 133 · Missoula, MTThe pilot’s failure to maintain adequate airspeed and his exceedance of the airplane’s critical angle of attack while executing a return to the runway after takeoff, which resulted in an aerodynamic stall/spin. Contributing to the accident was the pilot’s…NTSB ERA16LA014Accident · No injuriesLimited investigationFinal reportGross Michael E Stol CH 701 · Eufala, ALA partial loss of engine power during takeoff for reasons that could not be determined, because postaccident examination revealed no evidence of any preimpact mechanical malfunctions or failures. Also causal was the pilot's decision to continue the takeoff…NTSB CEN16FA013Accident · 2 fatalField investigationFinal reportCessna 421B · Hammond, LAThe loss of right engine power on takeoff due to maintenance personnel's failure to properly tighten the crankcase through-studs during cylinder replacement, which resulted in crankshaft fracture. Also causal were the pilot's failure to feather the propeller…NTSB ERA16FA005Accident · 1 fatalField investigationFinal reportPiper PA 38-112 · Jasper, GAThe student pilot's failure to accurately determine the airplane's fuel state, subsequent fuel exhaustion, and a total loss of engine power during initial climb. Contributing to the accident was the flight instructor's inadequate oversight of the student…NTSB ERA16LA003Accident · Serious injuriesClass 2 · LimitedFinal reportBeech S35 · Knoxville, TNThe pilot's inadequate preflight weather planning and his improper decision to attempt a visual flight rules flight in night instrument metrological conditions, which resulted in spatial disorientation and subsequent collision with terrain.NTSB ERA15FA378Accident · 1 fatalField investigationFinal reportPiper PA 30 · St. Petersburg, FLThe pilot's failure to maintain single-engine minimum controllable airspeed following a loss of right engine power during initial climb. Also causal was the loss of right engine power for reasons that could not be determined because examination of the…NTSB WPR15FA268Accident · Serious injuriesField investigationFinal reportCessna 150F · Port Townsend, WAThe loss of engine power due to the mechanic's inadequate tightening of the crankshaft gear retaining bolts during an engine overhaul, which resulted in fatigue failure of the bolts and the crankshaft gear dowel pin that allowed the crankshaft gear to…NTSB CEN15FA426Accident · 1 fatalField investigationFinal reportJones Ralph D Zodiac CH 601 HD · Ama, LAThe pilot's failure to maintain adequate airspeed and his exceedance of the airplane's critical angle of attack following a loss of engine power for reasons that could not be determined based on available evidence, which resulted in an aerodynamic stall and…NTSB CEN15FA425Accident · 1 fatalField investigationFinal reportCessna T310Q · Wichita, KSThe separation of the attachment hardware connecting the elevator trim tab pushrod to the elevator trim actuator, which resulted in the elevator trim tab jamming in a position outside the limits of normal travel and a subsequent loss of airplane control.NTSB CEN15FA422Accident · 2 fatalField investigationFinal reportPierce, Henry Bushby Mustang II · Granbury, TXThe pilot's exceedance of the airplane's critical angle of attack resulting in an aerodynamic stall and collision with terrain.NTSB ERA15LA373Accident · Minor injuriesLimited investigationFinal reportVanek Jim Sport Copter Vortex · Lake Wales, FLA loss of engine power due to a lean fuel/air mixture as a result of a disconnected fuel primer line.NTSB WPR15LA266Accident · Serious injuriesLimited investigationFinal reportPiper PA 28 · Elko, NVThe pilot's failure to sufficiently lean the engine’s fuel-to-air mixture for the given density altitude, which resulted in reduced engine power output and the airplane’s inability to climb.NTSB WPR15IA263Incident · Minor injuriesIncident investigationFinal reportCessna T206H · Idaho Falls, IDAn in-flight fire during initial climb due to the separation of the engine's turbocharger wastegate overboard exhaust tailpipe. Contributing to the accident was the owner's decision to not comply with a service bulletin that addressed the tailpipe separation.NTSB GAA15CA268Accident · No injuriesData collectionFinal reportHelio H 395 · Bethel, AKThe pilot's failure to maintain a positive climb rate during takeoff initial climb, resulting in an uncontrolled descent and collision with trees and terrain.NTSB DCA15WA198Incident · No injuriesForeign investigationBoeing 777 · Miami, FLThe National Transportation Safety Board (NTSB) has delegated the investigation of an incident involving a Qatar Airways Boeing 777-300, that occurred on September 15, 2015, to the Civil Aviation Authority (CAA) of Qatar. The NTSB has appointed a U.S.…NTSB ANC15FA071Accident · 3 fatalField investigationFinal reportDehavilland DHC 3T · Iliamna, AKThe pilot's decision to depart in dark night, visual meteorological conditions over water, which resulted in his subsequent spatial disorientation and loss of airplane control. Contributing to the accident was the pilot's failure to determine the airplane's…NTSB ERA15LA358Accident · Serious injuriesLimited investigationFinal reportBellanca 7KCAB · Manteo, NCThe inadvertent lodging of the banner-tow cable between the right elevator and horizontal stabilizer after the pilot threw the grapple hook out the window, which resulted in the loss of pitch control and the airplane’s subsequent impact with water.NTSB ERA15FA353Accident · 1 fatalField investigationFinal reportAero Vodochody L39 · Oneida, TNThe pilot's failure to maintain airplane control following a partial loss of engine power during initial climb. The reason for the partial loss of engine power could not be determined due to extensive postimpact damage.NTSB ERA15FA348Accident · 1 fatalField investigationFinal reportAerofab Lake LA-4-250 · Somerset, NJThe pilot's attempted 180-degree return to the runway immediately after takeoff in dark night conditions, which resulted in collision with trees and terrain. Also causal was the pilot's inadequate preflight inspection, which resulted in a takeoff with…NTSB CEN15LA402Accident · Serious injuriesLimited investigationFinal reportViking Dragonfly · Freeport, ILThe airplane’s degraded climb performance due to its being over its maximum gross weight and a hole in the engine exhaust.NTSB CEN15LA404Accident · 1 fatalLimited investigationFinal reportCessna TR182 · Midland, TXThe partial loss of engine power for reasons that could not be determined based on the available evidence.NTSB WPR15FA256Accident · 2 fatalField investigationFinal reportPiper PA28 · Santee, CAThe pilots' failure to maintain airplane control following a partial loss of engine power after takeoff, which resulted in an aerodynamic stall. Contributing to the accident was the partial loss of engine power due to a failure of the right magneto.NTSB CEN15RA452Incident · No injuriesForeign investigationPiper PA28 · Bergen, NorwayimportNTSB CEN15LA392Accident · No injuriesLimited investigationFinal reportCessna T240 · Houston, TXThe total loss of engine power due to fuel starvation, which resulted from the pilot’s inadequate fuel management and the flight instructor’s failure to verify the fuel level and fuel selector position in flight.NTSB ERA15LA332Accident · Serious injuriesLimited investigationFinal reportLancair IV · Fort Lauderdale, FLThe mechanic's improper installation of the turbocharger assembly, which resulted in oil starvation and a subsequent total loss of the engine power.