NTSB investigations, 2010
222 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\") = 2010
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") = 2010
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 WPR11TA083Accident · No injuriesFinal reportQuest Kodiak 100 · Reedsport, ORThe pilot's failure to maintain clearance from power lines during a low-level aerial observation flight. Contributing to the accident was pilot's failure to review a route hazards map prior to initiating the flight.NTSB ERA11FA101Accident · 2 fatalField investigationFinal reportCessna 172H · Weyers Cave, VAThe inherent limitations of the see-and-avoid concept, which made it difficult for the helicopter pilot to see the airplane before the collision. Contributing to the accident was the airplane pilot’s non-standard entry to the airport traffic pattern, which,…NTSB CEN11FA130Accident · 1 fatalField investigationFinal reportCessna 210B · Loveland, COThe pilot's intentional flight into terrain.NTSB WPR11CA079Accident · No injuriesData collectionFinal reportMoyes Bailey Microlite · Newberg, ORThe pilot's improper recovery from a dive, which resulted in a loss of control.NTSB CEN11FA125Accident · 1 fatalField investigationFinal reportBeech C24R · Wheeling, ILThe installation of the wrong engine-driven fuel pump, which resulted in a loss of engine power during takeoff, and the pilot's subsequent decision to turn back toward the airport at an insufficient altitude to complete the maneuver. Contributing to the…NTSB WPR11FA078Accident · 1 fatalField investigationFinal reportAero Commander 680FL · Perris, CAThe pilot’s decision to continue visual flight into instrument meteorological conditions, which resulted in an in-flight collision with mountainous terrain.NTSB ERA11FA085Accident · 1 fatalField investigationFinal reportDiamond Aircraft Ind DA 40 · Pearlington, MSThe pilot’s controlled flight into terrain likely due to spatial disorientation, while flying over sparsely lighted terrain at night.NTSB ERA11CA087Accident · Minor injuriesData collectionFinal reportSchweizer SGS 1-23D · Aberdeen, MDThe pilot's loss of control during an intentional aerobatic maneuver (spin) resulting in a collision with trees.NTSB ERA11LA083Accident · Minor injuriesLimited investigationFinal reportBell 206B · Isom, KYThe pilot's failure to maintain clearance from a known wire hazard during an aerial observation flight.NTSB ERA11CA082Accident · Serious injuriesData collectionFinal reportBell 206L-3 · Canal Point, FLThe pilot's failure to maintain clearance from the ground while maneuvering at a low altitude. Contributing to the accident was the pilot’s fatigue.NTSB ERA11CA080Accident · No injuriesData collectionFinal reportRobinson Helicopter R44 · Canal Point, FLPilot fatigue due to lack of sleep resulting in incapacitation (falling asleep) and ground contact while maneuvering at a low altitude.NTSB WPR11CA072Accident · No injuriesData collectionFinal reportPiper PA-18-150 · Pullman, WAThe pilot's delayed application of carburetor heat while maneuvering, which resulted in a partial loss of engine power.NTSB WPR11LA070Accident · Minor injuriesLimited investigationFinal reportBellanca 7KCAB · Corona, CAThe total loss of engine power due to oil exhaustion as a result of a broken oil line.NTSB WPR11LA069Accident · 1 fatalLimited investigationFinal reportSabre Trike · Peoria, AZAn in-flight loss of control for undetermined reasons.NTSB CEN11LA090Accident · 1 fatalLimited investigationFinal reportSoutherland Freebird Litesport U · Decatur, ILThe pilot's reported inability to control his amateur-built airplane for undetermined reasons after the airplane inadvertently became airborne while conducting a high-speed taxi.NTSB ERA11FA074Accident · 1 fatalField investigationFinal reportBeech A36 · Theodore, ALThe pilot's failure to maintain aircraft control while maneuvering at night in deteriorating weather conditions due to spatial disorientation. Contributing to the accident was the pilot's failure to obtain a weather briefing.NTSB CEN11LA082Accident · 1 fatalLimited investigationFinal reportCessna 172M · Velma, OKThe pilot’s failure to maintain control of the airplane while maneuvering, which resulted in an inadvertent stall and subsequent impact with terrain. Contributing to the accident was the pilot's relative inexperience in pipeline patrols.NTSB WPR11LA056Accident · No injuriesLimited investigationFinal reportBell 407 · Riverdale, UTThe pilot's failure to maintain clearance from a highway marker sign while maneuvering.NTSB ERA11WA075Accident · 1 fatalForeign investigationPiper PA-25 · Tapurah City, BrazilOn November 18, 2010, about 1700 Universal Coordinated Time (UTC), a Piper PA-25-235, Brazilian registration PT-WOP, operated by Aeroagricola Boa Safra Ltda, lost control and crashed into trees during an agricultural flight at the Marape Farm, Tapurah City,…NTSB CEN11FA075Accident · 1 fatalField investigationFinal reportHawker-Beechcraft A36 · Oklahoma City, OKThe pilot’s loss of control of the airplane during night instrument meteorological conditions, likely due to spatial disorientation.NTSB WPR11FA050Accident · 2 fatalField investigationFinal reportDiamond Aircraft Ind DA20-C1 · Payson, UTThe pilots' failure to maintain adequate airspeed during a slow flight maneuver that resulted in a stall and spin, and the flight instructor’s delayed or improper remedial actions to recover from the spin. Contributing to the accident was the flight school’s…NTSB WPR11LA048Accident · Serious injuriesLimited investigationFinal reportMD Helicopter 369D · Salem, ORThe pilot’s failure to maintain clearance between the longline and trees, which resulted in the longline snagging a tree and then recoiling into the main rotor blades and a subsequent loss of helicopter control.NTSB ERA11CA059Accident · No injuriesData collectionFinal reportHiller-Rogerson Helicopter UH12E · Madison, FLThe pilot's encounter with a settling with power condition while he was performing slow, low-level, out-of- ground-effect flight maneuvers.NTSB WPR11FA047Accident · 1 fatalField investigationFinal reportBeech C35 · Enterprise, ORThe noninstrumented pilot’s inadequate weather planning, which resulted in his failure to maintain visual flight while maneuvering under low ceilings in rainy and foggy conditions and his subsequent failure to maintain clearance from mountainous terrain.NTSB ERA11LA056Accident · 1 fatalLimited investigationFinal reportCarlo Robert Quicksilver SPT 2S · Lajas, PRThe pilot’s failure to maintain adequate airspeed, which resulted in an aerodynamic stall and entry into a spin.NTSB CEN11LA069Accident · No injuriesLimited investigationFinal reportCessna 172R · Farmersburg, INA total loss of engine power for undetermined reasons.NTSB CEN11TA064Accident · Minor injuriesFinal reportPartenavia P.68 · Anthony, NMThe pilot's decision to conduct a low-level flight in mountainous terrain in an area where downdrafts were prevalent, resulting in the inadvertent loss of control and the collision with the terrain.NTSB WPR11CA041Accident · No injuriesData collectionFinal reportAviat A-1B · Heber City, UTThe pilot's failure to maintain clearance from the ground during low-level maneuvering in mountainous/hilly terrain.NTSB ERA11LA048Accident · 2 fatalLimited investigationFinal reportBean R E/R B Weld Glasair III · Winchester, TNThe pilot's inadvertent climb and entry into instrument meteorological conditions during a course reversal, which resulted in spatial disorientation and a loss of control.NTSB CEN11FA053Accident · 1 fatalField investigationFinal reportBell 206 · Meeker, COThe pilot's failure to maintain clearance from electrical power lines during the low-altitude flight.NTSB WPR11CA036Accident · Minor injuriesData collectionFinal reportAerostar Acft Corp Of Texas M20E · Seligman, AZThe pilot's failure to maintain clearance from terrain while maneuvering. Contributing to the accident was the pilot's inadequate preflight and in-flight planning.NTSB ERA11FA042Accident · 1 fatalField investigationFinal reportMD Helicopters 369E · Thomas, WVThe pilot's failure to clear the helicopter and its external load from surrounding structures and his failure to execute a timely release of the external load, which resulted in an inadvertent entanglement and collision with wires and terrain. Contributing to…NTSB WPR11FA029Accident · 3 fatalField investigationFinal reportCessna 340A · Morton, WAThe pilot’s failure to arrest the excessive rate of turn into the failed engine, which resulted in a loss of control and subsequent impact with terrain. Contributing to the accident was a partial loss of engine power for reasons that could not be determined…NTSB WPR11FA027Accident · 2 fatalField investigationFinal reportReed Glasair III SH-3R · Lake Mathews, CAThe pilot’s failure to maintain clearance from terrain while maneuvering at low altitude beneath a cloud layer.NTSB WPR11FA021Accident · 3 fatalField investigationFinal reportCirrus Design SR-22 · Agua Dulce, CAThe non-instrument-rated pilot's improper decision to continue the flight into instrument meteorological conditions, which resulted in spatial disorientation and loss of control.NTSB ERA11LA033Accident · No injuriesLimited investigationFinal reportRockwell International 112TC · Waynesboro, GAThe pilot’s deliberate exiting of the airplane by parachute while in flight following a reported flight control malfunction that could not be verified.NTSB ERA11FA021Accident · 1 fatalField investigationFinal reportSiai-Marchetti S.205/22R · Farmingdale, NYA loss of engine power during a low approach for undetermined reasons.NTSB WPR11LA016Accident · No injuriesLimited investigationFinal reportBell 206B · Auburn, CAThe pilot's failure to maintain clearance from a transmission line during flight.NTSB WPR11CA011Accident · Serious injuriesData collectionFinal reportRobinson Helicopter R22 Beta · Long Beach, CAThe student pilot's failure to maintain an adequate drift control and skid clearance from the ground and the CFI's inadequate supervision while hovering, resulting in dynamic rollover.NTSB CEN11CA017Accident · Serious injuriesData collectionFinal reportLuscombe 8D · Clarrisa, MNThe partial loss of engine power for undetermined reasons.NTSB WPR11FA005Accident · 2 fatalField investigationFinal reportCessna 172 · Panguitch, UTThe pilot's decision to conduct a low-level flight into a canyon in windy conditions at a high density altitude, which resulted in a collision with trees and terrain.NTSB CEN11LA012Accident · 1 fatalLimited investigationFinal reportNewmann Edward W Challenger II · Easton, KSThe pilot’s failure to maintain control of the airplane for undetermined reasons.NTSB CEN11CA011Accident · Minor injuriesData collectionFinal reportCessna 175C · Humphrey, ARThe pilot’s failure to maintain clearance from a static wire while maneuvering at a low altitude.NTSB ERA11WA008Accident · 9 fatalForeign investigationCessna 402 · Nassau, BahamasOn October 5, 2010, about 1236 Atlantic standard time, a Cessna 402C, Bahamian registration C6-NLH, registered to and operated by Lebocruise Air Limited, crashed into Lake Killarney shortly after takeoff from the Lynden Pindling International Airport (MYNN),…NTSB CEN10LA566Accident · Minor injuriesLimited investigationFinal reportHolmes Gary Don Rutan LONG-EZ · Yellow Springs, OHThe loss of engine power for undetermined reasons.NTSB WPR10WA484Accident · 1 fatalForeign investigationChampion 8KCAB · Bandung, Indonesia, IndonesiaOn September 24, 2010, at 0312 universal coordinated time, an American Champion Super Decathlon 8KCAB, PK-NZP, collided with terrain while performing an inverted aerobatic maneuver at low altitude during an air show at Husein Sastranegara Airport, Bandung,…NTSB ERA10TA501Accident · Minor injuriesFinal reportEurocopter AS-350 · Covington, GAThe flight instructor's loss of control of the helicopter during the intentional demonstration of a low speed, hydraulics-off maneuver, that was warned against in the helicopter manufacturer's flight manual.NTSB ERA10LA499Accident · Serious injuriesLimited investigationFinal reportBell OH-58A · Taylorsville, MSA total loss of engine power while maneuvering at low altitude for undetermined reasons.NTSB WPR10CA466Accident · Minor injuriesData collectionFinal reportHiller UH-12E · Mecca, CAThe pilot's failure to maintain clearance from an obstacle while maneuvering.NTSB CEN10CA553Accident · Serious injuriesData collectionFinal reportGulfstream-Schweizer A/C Gulfstream AM G-164B · Blessing, TXThe pilot's failure to maintain clearance from wires while maneuvering.