NTSB investigations, AZ
585 cases where the phase of flight was Maneuvering.
Cases per year
| 1964 | 12 |
|---|---|
| 1965 | 10 |
| 1966 | 11 |
| 1967 | 10 |
| 1968 | 11 |
| 1969 | 16 |
| 1970 | 11 |
| 1971 | 13 |
| 1972 | 9 |
| 1973 | 9 |
| 1974 | 10 |
| 1975 | 11 |
| 1976 | 15 |
| 1977 | 12 |
| 1978 | 16 |
| 1979 | 8 |
| 1980 | 20 |
| 1981 | 15 |
| 1982 | 15 |
| 1983 | 25 |
| 1984 | 9 |
| 1985 | 18 |
| 1986 | 10 |
| 1987 | 10 |
| 1988 | 7 |
| 1989 | 12 |
| 1990 | 8 |
| 1991 | 22 |
| 1992 | 10 |
| 1993 | 6 |
| 1994 | 10 |
| 1995 | 13 |
| 1996 | 5 |
| 1997 | 9 |
| 1998 | 5 |
| 1999 | 6 |
| 2000 | 6 |
| 2001 | 5 |
| 2002 | 11 |
| 2003 | 11 |
| 2004 | 8 |
| 2005 | 10 |
| 2006 | 10 |
| 2007 | 7 |
| 2008 | 6 |
| 2009 | 5 |
| 2010 | 10 |
| 2011 | 8 |
| 2012 | 7 |
| 2013 | 6 |
| 2014 | 8 |
| 2015 | 3 |
| 2016 | 8 |
| 2017 | 2 |
| 2018 | 5 |
| 2019 | 6 |
| 2020 | 3 |
| 2021 | 5 |
| 2022 | 2 |
| 2023 | 2 |
| 2024 | 5 |
| 2025 | 2 |
| 2026 | 5 |
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\" = 'AZ' AND c.\"eventCountry\" = 'USA'
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 c."eventStateOrRegion" = 'AZ' AND c."eventCountry" = 'USA'
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 WPR27LA018Accident · Serious injuriesClass 4 · LimitedInvestigation openChristen Industries Pitts S-2B · Yuma, AZNTSB WPR26LA150Accident · No injuriesClass 3 · LimitedPreliminary reportCessna 150G · Phoenix, AZOn April 8, 2026, about 1033 mountain standard time, a Cessna 150G, N4714X, was substantially damaged when it was involved in an accident near Phoenix, Arizona. The flight instructor and student pilot were not injured. The airplane was being operated as a…NTSB WPR26LA123Accident · Serious injuriesClass 4 · LimitedFinal reportBrunner Donald G Kitfox · Rock Crossing, AZAn encounter with a downdraft while maneuvering at a low altitude, which resulted in an impact with terrain.NTSB WPR26FA098Accident · 2 fatalClass 3 · FieldPreliminary reportBell 407 · Flagstaff, AZOn February 4, 2026, at 2216 mountain standard time, a Bell 407 helicopter, N56AZ, was substantially damaged when it was involved in an accident near Flagstaff, Arizona. The pilot and tactical flight officer (TFO) were fatally injured. The helicopter was…NTSB WPR26FA074Accident · 4 fatalClass 3 · FieldPreliminary reportMD Helicopters 369FF · Superior, AZOn January 2, 2026, at about 1100 mountain standard time, an MD Helicopters MD369FF helicopter, N3502P, was substantially damaged when it impacted a highline/slackline near Superior, Arizona. The pilot and three passengers were fatally injured. The helicopter…NTSB WPR25FA253Accident · 1 fatalClass 3 · FieldPreliminary reportPitts S-1T · Goodyear, AZOn August 12, 2025, about 1019 mountain standard time, a Pitts S-1T, N51HC, was substantially damaged when it was involved in an accident near Goodyear, Arizona. The pilot was fatally injured. The airplane was operated as a Title 14 Code of Federal…NTSB WPR25LA209Accident · No injuriesClass 4 · LimitedFinal reportPipistrel Alpha Trainer · Colorado City, AZThe pilot’s exceedance of the airplane’s never-exceed speed (VNE) during maneuvering, which resulted in the in-flight separation of the left flaperon.NTSB WPR25LA052Accident · No injuriesClass 3 · LimitedPreliminary reportBeech 35-33 · Willcox, AZOn December 1, 2024, about 1300 mountain standard time, a Beech 35-33, N109V, was substantially damaged when it was involved in an accident near Willcox, Arizona. The pilot was not injured. The airplane was operated as a Title 14 Code of Federal Regulations…NTSB WPR25LA008Accident · No injuriesClass 3 · LimitedPreliminary reportPiper PA-36-285 · Marana, AZOn October 8, 2024, about 0745 mountain standard time, a Piper PA-36-285, N9928P, was substantially damaged when it was involved in an accident near Marana, Arizona. The pilot was not injured. The airplane was operated as a Title 14 Code of Federal…NTSB WPR24LA243Accident · No injuriesClass 3 · LimitedFinal reportMcdonnell Douglas Helicopter 369E · Cottonwood, AZThe pilot’s low-speed, high-power maneuvering in high density altitude and near maximum gross weight, which resulted in an uncommanded right yaw due to a loss of tail rotor effectiveness and a subsequent hard landing.NTSB WPR24FA185Accident · 1 fatalClass 3 · FieldFinal reportRans S-12XL Airaile · Picacho Peak, AZThe pilot’s decision to conduct a low-altitude flight in mountainous terrain and his subsequent loss of airplane control after encountering mechanical turbulence, which resulted in an impact with the terrain.NTSB WPR24FA072Accident · 4 fatalClass 3 · FieldFinal reportKubicek BB85Z · Eloy, AZThe pilot’s decision to open the rapid deflation valve during flight as a means of descending, which resulted in the deflation of the envelope and hard impact with terrain.NTSB WPR23FA223Accident · 2 fatalClass 3 · FieldFinal reportCompagnie Daher TB 30 Epsilon · Apache Junction, AZThe pilot’s controlled flight into the mountainous terrain due to diminished depth perception as a result of the shadowing effect from the sun’s position. Contributing to the accident was the decision by all three pilots to fly low altitude around the…NTSB WPR23LA107Accident · Minor injuriesClass 3 · LimitedFinal reportBell OH-58A · Yuma, AZA total loss of engine power for reasons that could not be determined.NTSB WPR22LA107Accident · No injuriesClass 4 · LimitedFinal reportRoss Jonathan RV-8 · Pinon, AZThe pilot's failure to maintain clearance from power lines during low-level flight.NTSB WPR22FA100Accident · 1 fatalClass 3 · FieldFinal reportMoynihan Richard D Vans RV-7A · White Hills, AZThe pilot’s improper aerobatic maneuver leading to an airspeed that exceeded the airplane’s design limits, which resulted in rudder flutter and an in-flight breakup.NTSB WPR22FA012Accident · 1 fatalClass 3 · FieldFinal reportRockwell 112 · Three Points, AZThe pilot’s failure to maintain proper airspeed while maneuvering, which resulted in the exceedance of the airplane’s critical angle of attack and the airplane entering an aerodynamic stall.NTSB WPR21LA359Accident · Minor injuriesClass 4 · LimitedFinal reportRobinson Helicopter R44 II · Phoenix, AZThe student pilot's failure to maintain helicopter control while making a clearing turn which resulted in a hard landing.NTSB WPR21FA175Accident · 2 fatalClass 3 · FieldFinal reportSwearingen SA226-T(B) · Winslow, AZThe loss of engine power to the right engine for reasons that could not be determined. Contributing to the accident was the pilot’s failure to maintain control of the airplane.NTSB WPR21LA166Accident · 2 fatalClass 3 · LimitedFinal reportCessna 140 · Williams, AZThe pilot’s loss of control due to spatial disorientation shortly after takeoff in night visual meteorological conditions.NTSB WPR21LA093Accident · No injuriesClass 4 · LimitedFinal reportMcdonnell Douglas Helicopter 369E · Queen Creek, AZThe pilot's uncoordinated flight control inputs while entering a hover, which lead to a loss of aircraft control which resulted in the left skid making contact with the ground, causing the helicopter to roll on its side.NTSB WPR20LA147Accident · No injuriesClass 3 · LimitedFinal reportCessna 172 · Tucson, AZThe pilot improper fuel management, which resulted in running the left fuel tank empty and a subsequent total loss of engine power due to fuel starvation.NTSB WPR20LA144Accident · No injuriesClass 3 · LimitedFinal reportMooney M20J · Phoenix, AZA total loss of engine power due to oil starvation for reasons that could not be determined due to a lack of available evidence, which resulted in impact with terrain during a subsequent forced landing.NTSB WPR20FA079Accident · 1 fatalClass 3 · FieldFinal reportPiper PA28 · Payson, AZThe pilot's decision to fly into a canyon with rising terrain, and his subsequent loss of aircraft control while maneuvering away from rising terrain.NTSB GAA20CA039Accident · No injuriesData collectionFinal reportZenair CH 701 · Safford, AZThe in-flight separation of a propeller blade for reasons that could not be determined based on the available evidence, which resulted in an off-airport landing on soft sand and the separation of main landing gear. Contributing to the accident was the pilot’s…NTSB WPR20LA004Accident · Minor injuriesClass 3 · LimitedFinal reportGlaser Dirks DG500 · Marana, AZThe pilots’ exceedance of the glider’s never-exceed speed (VNE) during recovery from an intentional aerobatic maneuver, which resulted in a failure of the right-wing air brake control drive, asymmetrical air brake deployment, and a subsequent hard landing.NTSB WPR19LA218Accident · No injuriesClass 3 · LimitedFinal reportExtra EA300 · Mesa, AZThe flight instructor’s operation of the airplane outside of the manufacturer’s limitations, which resulted in fuel starvation and a partial loss of engine power. Contributing to the accident was an inoperative electric fuel boost pump.NTSB WPR19LA220Accident · No injuriesClass 3 · LimitedFinal reportPiper PA 30 · Phoenix, AZThe failure of the landing gear due to the nose gear being positioned to the far right during retraction, which caused the nose gear to jam upon retraction.NTSB WPR19FA109Accident · 2 fatalClass 3 · FieldFinal reportBell 206 · Fort McDowell, AZThe separation of the main rotor head from the mast as a result of a sudden displacement of the cyclic stick during a low-G maneuver, leading to mast bumping. Contributing to the accident were the unsecure positioning of the flight test engineer’s laptop…NTSB WPR19TA061Accident · Serious injuriesClass 3Final reportBell 206 · Yuma, AZThe pilot's failure to maintain clearance from power transmission wires while flying at low altitude in nighttime conditions.NTSB WPR19TA037Accident · Minor injuriesClass 3Final reportScottish Series 100 MDL 101 · Lake Pleasant, AZImpact with a lake for undetermined reasons.NTSB WPR18LA181Accident · Minor injuriesClass 3 · LimitedFinal reportCessna 172S · Phoenix, AZA total loss of engine power due to crankshaft failure as the result of a subsurface fatigue crack.NTSB WPR18FA178Accident · 1 fatalClass 2 · FieldFinal reportSchempp-Hirth Standard Cirrus · Aguila, AZThe pilot's exceedance of the glider's critical angle of attack while attempting a thermal climb at low altitude, which resulted in an aerodynamic stall/spin at an altitude that precluded recovery.NTSB WPR18LA152Accident · No injuriesClass 3 · LimitedFinal reportMcdonnell Douglas Heli 369FF · Wikieup, AZA vibration of the helicopter for reasons that could not be determined based on the available information, which resulted in a forced landing and the main rotor contacting the tailboom.NTSB WPR18LA140Accident · No injuriesClass 3 · LimitedFinal reportBell OH 58C · Yuma, AZA partial loss of engine power during an aerial application flight due to thermal damage to the 1st stage gas producer turbine nozzle and an irregular fuel spray pattern due to carbon buildup of the fuel nozzle. Contributing to the accident was maintenance…NTSB WPR17FA213Accident · 2 fatalField investigationFinal reportCessna 172L · Perkinsville, AZThe pilot's decision to fly into a canyon during wind conditions conducive to turbulence and downdrafts, and his subsequent loss of aircraft control while maneuvering in the canyon. Contributing to the accident was the pilot's limited canyon flying experience.NTSB WPR17LA068Accident · No injuriesLimited investigationFinal reportRobinson Helicopter R22 Beta · Holbrook, AZThe pilot’s failure to compensate for a loss of effective translational lift while turning from an upwind to a downwind condition at a low altitude and low airspeed, which resulted in a loss of helicopter control.NTSB WPR17LA020Accident · No injuriesLimited investigationFinal reportPiper PA 28-235 · Taylor, AZA total loss of engine power for reasons that could not be determined because postaccident examination revealed no anomalies that would have precluded normal operation.NTSB WPR17LA002Accident · Minor injuriesLimited investigationFinal reportTamarack Helicopters UH-1H · Gila Bend, AZThe separation of the 90° tail rotor gearbox assembly as a result of fatigue to the tail rotor gearbox input quill assembly attachment studs due to the helicopter experiencing highly repetitive agricultural flight profiles for which it was not designed.NTSB GAA16CA450Accident · No injuriesData collectionFinal reportAirbus AS350 · Peach Springs, AZThe pilot's failure to maintain clearance from terrain while hover taxiing backward, resulting in the tail striking terrain.NTSB GAA16CA372Accident · Minor injuriesData collectionFinal reportBell OH 58 · Surprise, AZWhile at a low altitude, the pilot's decision to do an abrupt descending right downwind turn which resulted in flying through his own vortices and an impact with terrain.NTSB WPR16FA112Accident · 2 fatalField investigationFinal reportNorth American AT 6 · Mesa, AZThe pilot's inability to return to the departure airport due to an unspecified in-flight emergency for reasons that could not be determined during a postaccident examination of the airplane.NTSB GAA16CA205Accident · Minor injuriesData collectionFinal reportBurkhart Grob Flugzeugbau G103 Twin Astir · Marana, AZThe glider's loss of lift as a result of unfavorable wind conditions for glider operations, consequently resulting in a collision with trees.NTSB WPR16LA079Accident · No injuriesLimited investigationFinal reportPiper PA 22-150 · Fountain Hills, AZA partial loss of engine power for reasons that could not be determined because postaccident examination did not reveal any anomalies that would have precluded normal operation.NTSB WPR16FA064Accident · 2 fatalField investigationFinal reportNorth American F51 · Maricopa, AZThe pilot’s failure to maintain airplane control while performing an acrobatic maneuver and his subsequent failure to recover from an inadvertent spin due to insufficient altitude.NTSB WPR16FA040Accident · 2 fatalField investigationFinal reportAirbus Helicopters AS350 · Superior, AZThe pilot's loss of helicopter control in mountainous terrain as the result of operating the helicopter outside the performance envelope of its hydraulic system and encountering the servo transparency phenomenon. Contributing to the accident was the pilot's…NTSB GAA15CA204Accident · Minor injuriesData collectionFinal reportAirbus AS350-B2 · Tucson, AZThe flight instructor's misperception of the helicopter's altitude in relation to the runway surface during a low altitude maneuver, resulting in ground impact.NTSB GAA15CA037Accident · No injuriesData collectionFinal reportJabiru Jabiru - SP · Surprise, AZThe pilot's inadequate fuel planning, which resulted in a total loss of engine power due to fuel exhaustion.NTSB WPR15LA048Accident · 1 fatalLimited investigationFinal reportAir Tractor AT 502B · Somerton, AZA loss of airplane control for reasons that could not be determined based on available evidence.NTSB WPR15TA027Accident · Serious injuriesFinal reportEurocopter AS 350 · Bisbee, AZFailure of maintenance personnel to ensure adequate torque of a pneumatic control pipe (P2) fitting, which resulted in a loss of engine power during low altitude flight maneuvers.