# NTSB investigations: Maneuvering

NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports.

Page 21 of 377 · 18,850 cases

## Cases, newest first

- [NTSB ERA20LA330](https://openairdocs.org/ntsb/ERA20LA330.md): Piper PA25 · Floral City, FL · Accident · 1 fatal · Class 3 · Limited · Final report · Sep 23, 2020 · N6106Z · Destroyed
  > The pilot’s failure to see and avoid a tree while flying towards the rising sun during an aerial application flight, which resulted in a collision with the tree and a subsequent loss of airplane control.
- [NTSB ERA20LA333](https://openairdocs.org/ntsb/ERA20LA333.md): Ayres S2R · Jackson, TN · Accident · No injuries · Class 3 · Limited · Final report · Sep 22, 2020 · N3298M · Substantial damage
  > The pilot’s failure to adequately monitor his fuel supply, resulting in fuel exhaustion, a total loss of engine power, and a forced landing.
- [NTSB ERA20LA329](https://openairdocs.org/ntsb/ERA20LA329.md): Cessna 182 · Lincolnton, GA · Accident · 1 fatal · Class 3 · Limited · Final report · Sep 22, 2020 · N2601Q · Substantial damage
  > The pilot's loss of airplane control while maneuvering at a low altitude.
- [NTSB CEN20LA407](https://openairdocs.org/ntsb/CEN20LA407.md): Quicksilver MX II · Marengo, IN · Accident · Serious injuries · Class 3 · Limited · Final report · Sep 21, 2020 · UNREG · Substantial damage
  > A loss of engine power due to carburetor icing. Contributing to the accident was the pilot’s decision to operate the airplane in conditions conducive to carburetor icing without a carburetor heating system, contrary to the engine manufacturer’s guidance.
- [NTSB CEN20WA409](https://openairdocs.org/ntsb/CEN20WA409.md): Pitts S1 · Kulmbach, Germany · Accident · 1 fatal · Class 5 · Foreign · Sep 20, 2020 · N25LM · Destroyed
- [NTSB WPR20WA329](https://openairdocs.org/ntsb/WPR20WA329.md): Robinson R44 · Rooibok-Kraal, South Africa · Accident · No injuries · Class 5 · Foreign · Sep 19, 2020 · ZS-RKZ · Substantial damage
- [NTSB CEN20LA400](https://openairdocs.org/ntsb/CEN20LA400.md): Safari S · Red Bud, IL · Accident · 1 fatal · Class 3 · Limited · Final report · Sep 19, 2020 · N60WD · Destroyed
  > A loss of control for reasons that could not be determined.
- [NTSB WPR20LA330](https://openairdocs.org/ntsb/WPR20LA330.md): Cessna 172 · Stanley, ID · Accident · Minor injuries · Class 4 · Limited · Final report · Sep 13, 2020 · N52700 · Substantial damage
  > The pilot's failure to maintain terrain clearance after flying into the wrong canyon in mountainous terrain which resulted in a collision with trees and terrain.
- [NTSB CEN20LA389](https://openairdocs.org/ntsb/CEN20LA389.md): Champion 8KCAB · Groton, SD · Accident · 2 fatal · Class 3 · Limited · Final report · Sep 13, 2020 · N83DH · Substantial damage
  > The pilot’s loss of airplane control during a low-altitude aerobatic maneuver.
- [NTSB ERA20LA316](https://openairdocs.org/ntsb/ERA20LA316.md): Vans RV6 · Melbourne, FL · Accident · Minor injuries · Class 3 · Limited · Final report · Sep 11, 2020 · N196DJ · Substantial damage
  > A total loss of engine power for reasons that could not be determined based on the available evidence.
- [NTSB WPR20LA331](https://openairdocs.org/ntsb/WPR20LA331.md): Bell 206 · Randle, WA · Accident · Serious injuries · Class 4 · Limited · Final report · Sep 9, 2020 · N91TA · Destroyed
  > The pilot's failure to maintain clearance from a tree while conducting an external load operation.
- [NTSB ERA20LA306](https://openairdocs.org/ntsb/ERA20LA306.md): Thrush S2R-H80 · Hawkinsville, GA · Accident · Serious injuries · Class 4 · Limited · Final report · Sep 3, 2020 · N30529 · Substantial damage
  > The pilot's failure to maintain clearance from an antenna tower while maneuvering during an agricultural application flight while flying directly toward the sun.
- [NTSB ERA20CA300](https://openairdocs.org/ntsb/ERA20CA300.md): Cessna 182 · Millington, MD · Accident · No injuries · Class 4 · Data collection · Final report · Aug 30, 2020 · N3707U · Substantial damage
  > The pilot’s misidentification of a corn field for the destination airport’s runway, and a subsequent aerodynamic stall at low altitude while attempting to land.
- [NTSB ERA20LA299](https://openairdocs.org/ntsb/ERA20LA299.md): Cessna 172 · Weston, FL · Accident · No injuries · Class 3 · Limited · Final report · Aug 27, 2020 · N65645 · Substantial damage
  > A total loss of engine power due to the failure of the Nos. 1 and 3 connecting rods from lack of lubrication.
- [NTSB ERA20CA298](https://openairdocs.org/ntsb/ERA20CA298.md): Vans RV6 · Milton, DE · Accident · Minor injuries · Class 4 · Data collection · Final report · Aug 27, 2020 · N628JB · Substantial damage
  > The pilot and owner’s failure to adequately communicate and establish an understanding of who was flying the airplane, and their failure to take timely action to avoid a collision with terrain.
- [NTSB ANC20LA083](https://openairdocs.org/ntsb/ANC20LA083.md): Eurocopter AS350 · Ninilchik, AK · Accident · Minor injuries · Class 3 · Limited · Final report · Aug 25, 2020 · N160SH · Substantial damage
  > A loss of engine power for an undetermined reason.
- [NTSB CEN20LA357](https://openairdocs.org/ntsb/CEN20LA357.md): Air Tractor AT802 · Dell, AR · Accident · 1 fatal · Class 3 · Limited · Final report · Aug 21, 2020 · N759FA · Substantial damage
  > The pilot’s failure to maintain airspeed while maneuvering at low altitude, which resulted in an aerodynamic stall and collision with terrain.
- [NTSB WPR20LA280](https://openairdocs.org/ntsb/WPR20LA280.md): Arrow-Falcon Exporters UH-1H · Coalinga, CA · Accident · 1 fatal · Class 3 · Limited · Final report · Aug 19, 2020 · N711GH · Destroyed
  > The pilot’s inability to maintain control of the helicopter due to a hydraulic system failure for reasons that could not be fully determined due to the thermal destruction from the postimpact fire.
- [NTSB CEN20CA347](https://openairdocs.org/ntsb/CEN20CA347.md): Grumman G164 · Scottsbluff, NE · Accident · Minor injuries · Class 4 · Data collection · Final report · Aug 18, 2020 · N48416 · Substantial damage
  > The pilot’s loss of visual reference during agricultural low-level flight, resulting in collision with power lines.
- [NTSB WPR20WA281](https://openairdocs.org/ntsb/WPR20WA281.md): Robinson R22 · McArthur River Mine, Australia · Accident · No injuries · Foreign investigation · Aug 16, 2020 · VH-YMU · Substantial damage
- [NTSB WPR20CA274](https://openairdocs.org/ntsb/WPR20CA274.md): Uskoski Ridge Runner IV · Vancouver, WA · Accident · Minor injuries · Class 4 · Data collection · Final report · Aug 14, 2020 · N11752 · Substantial damage
  > The pilot’s failure to maintain airplane control while maneuvering to land which resulted in an aerodynamic stall at a low altitude, which the pilot was unable to recover from.
- [NTSB CEN20LA339](https://openairdocs.org/ntsb/CEN20LA339.md): Czech Sport Sportcruiser · Gober, TX · Accident · Serious injuries · Class 3 · Limited · Final report · Aug 14, 2020 · N467SC · Substantial damage
  > The student pilot’s improper recovery from a power-off stall. Contributing to the accident was the flight instructor’s failure to properly monitor the student pilot during the stall recovery.
- [NTSB WPR20CA266](https://openairdocs.org/ntsb/WPR20CA266.md): Aviat A-1C-200 · Grover, WY · Accident · Serious injuries · Class 4 · Data collection · Final report · Aug 10, 2020 · N298WY · Substantial damage
  > The pilot’s inability to regain airplane control after a pilot-induced spin conducted during a flight test, which resulted in a collision with terrain.
- [NTSB GAA21WA004](https://openairdocs.org/ntsb/GAA21WA004.md): Vans RV7 · Little Bassetts Farm, Bentwood, United Kingdom · Accident · No injuries · Class 5 · Foreign · Aug 9, 2020 · G-CGJN · Substantial damage
- [NTSB CEN20LA330](https://openairdocs.org/ntsb/CEN20LA330.md): Robinson R44 · Logan, IA · Accident · Serious injuries · Class 3 · Limited · Final report · Aug 8, 2020 · N89LA · Substantial damage
  > The failure of the lower actuator bearing support brackets, which resulted in the misalignment of the clutch actuator, a loss of belt tension on the main rotor drive system, and a subsequent forced landing.
- [NTSB CEN20LA328](https://openairdocs.org/ntsb/CEN20LA328.md): Bell 206 · Marathon, TX · Accident · 3 fatal · Class 3 · Limited · Final report · Aug 8, 2020 · N284S · Destroyed
  > The in-flight loss of helicopter control for reasons that could not be determined based on the available evidence.
- [NTSB WPR20LA258](https://openairdocs.org/ntsb/WPR20LA258.md): Cessna T210 · Hanna, UT · Accident · Serious injuries · Class 3 · Limited · Final report · Aug 7, 2020 · N761RG · Substantial damage
  > The pilot’s failure to maintain sufficient airspeed after a partial loss of power for undetermined reasons, which resulted in an exceedance of the airplane’s critical angle of attack and an aerodynamic stall from which the pilot could not recover.
- [NTSB WPR20LA257](https://openairdocs.org/ntsb/WPR20LA257.md): Sportine Aviacija LAK17 · Lake Port, CA · Accident · 1 fatal · Class 3 · Limited · Final report · Aug 7, 2020 · N290MH · Substantial damage
  > The pilot’s exceedance of the glider’s critical angle of attack during flight, which resulted in an aerodynamic stall and subsequent impact with terrain.
- [NTSB ERA20LA277](https://openairdocs.org/ntsb/ERA20LA277.md): Piper PA28 · St. Agatha, ME · Accident · Minor injuries · Class 3 · Limited · Final report · Aug 5, 2020 · N7213W · Substantial damage
  > The failure of the crankshaft gear alignment dowel due to fatigue crack propagation and overstress, which resulted in a partial loss of engine power.
- [NTSB CEN20CA334](https://openairdocs.org/ntsb/CEN20CA334.md): Hughes 369 · Delia, KS · Accident · No injuries · Class 4 · Data collection · Final report · Aug 5, 2020 · N104SU · Substantial damage
  > Foreign object damage sustained to the main rotor blades due to aerial tree trimming.
- [NTSB WPR20CA253](https://openairdocs.org/ntsb/WPR20CA253.md): Robert D Carr Jr Cavalon · Upper Lake, CA · Accident · Serious injuries · Class 4 · Data collection · Final report · Aug 4, 2020 · N635BC · Substantial damage
  > The pilot’s distraction and failure to maintain adequate airspeed during a low altitude maneuver, which resulted in a loss of aircraft control and collision with terrain.
- [NTSB GAA20WA151](https://openairdocs.org/ntsb/GAA20WA151.md): Cessna 182 · Steiermark, Austria · Accident · Serious injuries · Class 5 · Foreign · Aug 2, 2020 · OE-DON · Substantial damage
- [NTSB ERA20LA271](https://openairdocs.org/ntsb/ERA20LA271.md): American AA 5 · Dunnellon, FL · Accident · 1 fatal · Class 3 · Limited · Final report · Aug 1, 2020 · N7192L · Substantial damage
  > A total loss of engine power due to fuel starvation as a result of improper installation and inspection of the airplane’s fuel system. Contributing to the accident was the pilot’s lack of certification and knowledge in aircraft maintenance.
- [NTSB ERA20LA270](https://openairdocs.org/ntsb/ERA20LA270.md): Piper PA31 · Sumter, SC · Accident · Minor injuries · Class 3 · Limited · Final report · Aug 1, 2020 · C-GXKS · Substantial damage
  > The pilot’s fuel mismanagement during flight, which resulted in a total loss of engine power from both engines due to fuel starvation.
- [NTSB WPR20WA248](https://openairdocs.org/ntsb/WPR20WA248.md): Robinson R44 · Steam Plains, Australia · Accident · Serious injuries · Foreign investigation · Jul 31, 2020 · VH-HNF · Substantial damage
  > The government of Australia has notified the NTSB of an accident involving a Robinson R44 helicopter that occurred on July 31, 2020. The NTSB has appointed a U.S. Accredited Representative to assist the government of Australia's investigation under the…
- [NTSB WPR20LA247](https://openairdocs.org/ntsb/WPR20LA247.md): Bell OH58A · Holtville, CA · Accident · Minor injuries · Class 3 · Limited · Final report · Jul 31, 2020 · N901XV · Substantial damage
  > The total loss of engine power due to the decoupling of the engine's turbine and compressor sections, which resulted from improper maintenance.
- [NTSB WPR20LA245](https://openairdocs.org/ntsb/WPR20LA245.md): Cessna 337 · Ennis, MT · Accident · 1 fatal · Class 3 · Limited · Final report · Jul 30, 2020 · N337V · Substantial damage
  > The pilot-in-command’s failure to maintain sufficient airspeed while attempting an evasive maneuver from a boxed canyon, which resulted in an aerodynamic stall/spin and impact with mountainous terrain. Contributing to the accident was the pilot-in-command’s…
- [NTSB CEN20LA309](https://openairdocs.org/ntsb/CEN20LA309.md): Cessna A188 · Corsica, SD · Accident · 1 fatal · Class 3 · Limited · Final report · Jul 27, 2020 · N53163 · Destroyed
  > The pilot’s exceedance of the airplane’s critical angle of attack, which resulted in an aerodynamic stall and loss of control.
- [NTSB CEN20CA312](https://openairdocs.org/ntsb/CEN20CA312.md): Air Tractor AT 602 · Tiro, OH · Accident · No injuries · Class 4 · Data collection · Final report · Jul 27, 2020 · N602FH · Substantial damage
  > The pilot's failure to maintain clearance while attempting to fly under power lines during an aerial application pass.
- [NTSB CEN20CA311](https://openairdocs.org/ntsb/CEN20CA311.md): Air Tractor AT 401 · Burlington, CO · Accident · Minor injuries · Class 4 · Data collection · Final report · Jul 27, 2020 · N9190Q · Substantial damage
  > The pilot’s failure to maintain clearance from guy-wires during low-altitude agricultural operations.
- [NTSB WPR20LA239](https://openairdocs.org/ntsb/WPR20LA239.md): Vans RV7 · Henefer, UT · Accident · Minor injuries · Class 3 · Limited · Final report · Jul 26, 2020 · N514BS · Substantial damage
  > The total loss of engine power due to the separation of the idler gear shaft bolts as a result of improper installation, which allowed for the idler gear to become disengaged.
- [NTSB CEN20LA306](https://openairdocs.org/ntsb/CEN20LA306.md): Air Tractor AT502 · Grant, NE · Accident · 1 fatal · Class 3 · Limited · Final report · Jul 25, 2020 · N502KJ · Substantial damage
  > The pilot’s exceedance of the airplane’s critical angle of attack while maneuvering during an agricultural flight, which resulted in an aerodynamic stall and a loss of control at too low of an altitude to recover. Contributing to the accident was the pilot’s…
- [NTSB CEN20CA310](https://openairdocs.org/ntsb/CEN20CA310.md): Champion 7GCBC · Angola, IN · Accident · Minor injuries · Class 4 · Data collection · Final report · Jul 25, 2020 · N86614 · Substantial damage
  > The pilot's failure to maintain control of the airplane during a low-level pass, resulting in the airplane exceeding its critical angle of attack that caused an aerodynamic stall and subsequent impact with terrain. Contributing to the accident was the pilot's…
- [NTSB WPR20LA235](https://openairdocs.org/ntsb/WPR20LA235.md): Mcdonnell Douglas 600 · Thompson Falls, MT · Accident · No injuries · Class 3 · Limited · Final report · Jul 21, 2020 · N208MP · Substantial damage
  > A partial loss of engine power for reasons that could not be determined based on available evidence.
- [NTSB WPR20LA228](https://openairdocs.org/ntsb/WPR20LA228.md): Md Helicopter 600 · San Andreas, CA · Accident · No injuries · Class 3 · Limited · Final report · Jul 20, 2020 · N745BW · Destroyed
  > The failure of the output shaft of the overrunning clutch inner race due to frictional overheating of the shaft, which resulted from the failure of the output bearing’s stainless-steel grease seal.
- [NTSB CEN20LA294](https://openairdocs.org/ntsb/CEN20LA294.md): Rockwell S2R · Harlan, IA · Accident · No injuries · Class 3 · Limited · Final report · Jul 20, 2020 · N1662S · Substantial damage
  > The fatigue fracture of the upper rudder hinge that resulted in a partial separation of the rudder from the airplane during a spray pass.
- [NTSB CEN20CA300](https://openairdocs.org/ntsb/CEN20CA300.md): Robinson R44 · Dickeyville, WI · Accident · No injuries · Class 4 · Data collection · Final report · Jul 20, 2020 · N570WH · Substantial damage
  > The pilot did not maintain clearance from wires during an aerial application flight.
- [NTSB WPR20LA224](https://openairdocs.org/ntsb/WPR20LA224.md): Hiller UH 12D · Mehama, OR · Accident · 1 fatal · Class 3 · Limited · Final report · Jul 17, 2020 · N2297W · Destroyed
  > An in-flight separation of a tail rotor blade due to fatigue cracking and overstress, which resulted in a loss of directional control and subsequent ground impact.
- [NTSB ANC20CA070](https://openairdocs.org/ntsb/ANC20CA070.md): Bell 206L-1 · Homer, AK · Accident · No injuries · Class 4 · Data collection · Final report · Jul 16, 2020 · N1432D · Substantial damage
  > The pilot's failure to see and avoid the boat's mast, which resulted in a main rotor blade strike. Contributing to the accident was the pilot's inadequate preflight planning by not having the boat's mast measured.
- [NTSB WPR20CA218](https://openairdocs.org/ntsb/WPR20CA218.md): Rans S6 · Richland, WA · Accident · No injuries · Class 4 · Data collection · Final report · Jul 12, 2020 · N644RS · Substantial damage
  > The pilot's inability to arrest a descent rate or maintain altitude after encountering a downdraft while maneuvering at low altitude near mountainous terrain that resulted in a hard landing.

Next page: https://openairdocs.org/ntsb-phases/450/cases.md?page=22

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
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."mKey" IN (SELECT case_mkey FROM case_phases WHERE main = 450)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-phases/450/cases?page=21

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain, except the copies of manufacturers’ service documents, which belong to their rights holders.