# Final NTSB investigations: Uncontrolled descent

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 1 of 44 · 2,183 cases

## Latest cases

- [NTSB CEN24LA197](https://openairdocs.org/ntsb/CEN24LA197.md): Cessna U206 · Butler, MO · Accident · Serious injuries · Class 4 · Limited · Final report · May 25, 2024 · N29173 · Destroyed
  > The jumper’s unintentional deployment of his emergency parachute and subsequent impact with the airplane’s horizontal stabilizer.
- [NTSB DCA24LA200](https://openairdocs.org/ntsb/DCA24LA200.md): Aergility Atlis 1 · Dunnellon, FL · Accident · No injuries · Class 4 · Limited · Final report · May 24, 2024 · N237KG · Substantial damage
  > An intermittent electrical failure that switched two motor controllers off, resulting in a loss of hover capability and impact with the ground.
- [NTSB ERA22FA262](https://openairdocs.org/ntsb/ERA22FA262.md): Enstrom F28 · Greenville, OH · Accident · 2 fatal · Class 3 · Field · Final report · Jun 7, 2022 · N600TA · Substantial damage
  > An impact with terrain for undetermined reasons.
- [NTSB ERA21LA322](https://openairdocs.org/ntsb/ERA21LA322.md): Diamond DA42 · Hiddenite, NC · Accident · No injuries · Class 3 · Limited · Final report · Aug 9, 2021 · N906ER · Substantial damage
  > The flight instructor’s inability to stop the descent following a practice emergency descent for reasons that could not be determined.
- [NTSB DCA19LA154](https://openairdocs.org/ntsb/DCA19LA154.md): Aurora PAV · Manassas, VA · Accident · No injuries · Limited investigation · Final report · Jun 4, 2019 · N83AU · Substantial damage
  > a loss of hover lift thrust provided by the eight lift motors due to a false on-ground rotor speed reduction command, resulting from excessive vibration.
- [NTSB WPR19LA112](https://openairdocs.org/ntsb/WPR19LA112.md): Air Tractor AT502 · Morganza, LA · Accident · Serious injuries · Class 3 · Limited · Final report · Apr 16, 2019 · N599LA · Substantial damage
  > A loss of aircraft control due to the separation of the elevator pushrod attachment bolt.
- [NTSB WPR19LA027](https://openairdocs.org/ntsb/WPR19LA027.md): Piper PA28 · Presidio, TX · Accident · No injuries · Class 3 · Limited · Final report · Nov 14, 2018 · N1715J · Substantial damage
  > The student pilot’s loss of control at low altitude during a forced landing, which resulted in impact with terrain and substantial damage to the right wing. A contributing factor in the accident was the loss of engine power for undetermined reasons.
- [NTSB ERA16FA194](https://openairdocs.org/ntsb/ERA16FA194.md): Jihlavan Airplanes Sro KP 5 ASA · Rhoadesville, VA · Accident · 2 fatal · Field investigation · Final report · May 24, 2016 · N440JM · Destroyed
  > The pilots' loss of control that necessitated the activation of the parachute system and the airplane manufacturer's inadequate design of the front parachute anchor attachment structure, which resulted in a failure of the parachute after it was deployed in…
- [NTSB ERA16FA001](https://openairdocs.org/ntsb/ERA16FA001.md): Piper PA32R · Westminster, SC · Accident · 4 fatal · Field investigation · Final report · Oct 2, 2015 · N782TM · Destroyed
  > The pilot's loss of airplane control for reasons that could not be determined based on the available information.
- [NTSB GAA15CA053](https://openairdocs.org/ntsb/GAA15CA053.md): Aero SP Z O O AT 4 LSA · Colorado Springs, CO · Accident · Minor injuries · Data collection · Final report · Apr 30, 2015 · N344UA · Substantial damage
  > The pilot's decision to perform aerobatic maneuvers in an airplane not certified for aerobatic flight, which resulted in a loss of control and collision with terrain.
- [NTSB CEN15FA141](https://openairdocs.org/ntsb/CEN15FA141.md): Richard Lacourse Wheeler Express · Kersey, CO · Accident · 2 fatal · Field investigation · Final report · Feb 11, 2015 · N564ER · Destroyed
  > The pilot's failure to maintain airplane control during an off-airport forced landing following a total loss of engine power for reasons that could not be determined during postaccident examination of the engine. Contributing to the accident was the pilots'…
- [NTSB WPR13FA116](https://openairdocs.org/ntsb/WPR13FA116.md): Cessna 172S · Minden, NV · Accident · 1 fatal · Field investigation · Final report · Feb 7, 2013 · N328SP · Destroyed
  > The pilot’s failure to maintain airplane control while maneuvering over mountainous terrain.
- [NTSB ERA13FA101](https://openairdocs.org/ntsb/ERA13FA101.md): Piper PA-30 · Jasper, AL · Accident · 3 fatal · Field investigation · Final report · Jan 2, 2013 · N7700Y · Destroyed
  > The student pilot’s poor judgment to take a multiengine airplane for which he did not have experience or permission to operate and depart into night instrument meteorological conditions, which resulted in a loss of airplane control and impact with terrain.
- [NTSB CEN12FA251](https://openairdocs.org/ntsb/CEN12FA251.md): Cirrus Design SR22 · Newcomerstown, OH · Accident · 1 fatal · Field investigation · Final report · Apr 21, 2012 · N110EB · Substantial damage
  > The pilot’s loss of airplane control in instrument meteorological conditions due to his distraction by electrical system anomalies, which resulted in an uncontrolled descent. The reason for the electrical system anomalies could not be determined.
- [NTSB ERA12CA137](https://openairdocs.org/ntsb/ERA12CA137.md): Robinson Helicopter R22 Beta · St Petersburg, FL · Accident · No injuries · Data collection · Final report · Jan 6, 2012 · N8066U · Substantial damage
  > The flight instructor's delayed remedial action during the pilot-receiving-instruction's practice autorotation that developed a high rate of descent. Contributing to the accident was the pilot-receiving-instruction's improper control inputs during the…
- [NTSB CEN12FA108](https://openairdocs.org/ntsb/CEN12FA108.md): Piper PA-32-260 · Bryan, TX · Accident · 5 fatal · Field investigation · Final report · Dec 20, 2011 · N3590T · Substantial damage
  > The pilot’s inadvertent encounter with severe weather, which resulted in the airplane’s left wing failing in positive overload. Contributing to the accident was the pilot’s reliance on outdated weather information that he received on his in-cockpit…
- [NTSB WPR12FA044](https://openairdocs.org/ntsb/WPR12FA044.md): Mooney M20M · Pomona, CA · Accident · 1 fatal · Field investigation · Final report · Nov 18, 2011 · N741SB · Substantial damage
  > The pilot’s failure to maintain sufficient altitude to clear obstructions while maneuvering on the base leg of the traffic pattern for landing.
- [NTSB ANC11CA058](https://openairdocs.org/ntsb/ANC11CA058.md): Aviat A-1B · Palmer, AK · Accident · Serious injuries · Data collection · Final report · Jul 6, 2011 · N949AK · Substantial damage
  > The pilot's decision to fly at a low altitude in mountainous terrain and weather conditions conducive to downdrafts.
- [NTSB WPR11FA155](https://openairdocs.org/ntsb/WPR11FA155.md): Muse KR2 · Newberry Springs, CA · Accident · 1 fatal · Field investigation · Final report · Mar 7, 2011 · N122B · Substantial damage
  > The airplane’s encounter with severe turbulence, which resulted in the in-flight breakup of the airplane. Contributing to the accident was the pilot’s inadequate preflight planning.
- [NTSB CEN11CA003](https://openairdocs.org/ntsb/CEN11CA003.md): Cessna 310J · St. Johns, MI · Accident · Minor injuries · Data collection · Final report · Oct 1, 2010 · N3051L · Substantial damage
  > The failure by the pilot to attain/maintain a climb rate for undetermined reasons during a go-around.
- [NTSB CEN10LA492](https://openairdocs.org/ntsb/CEN10LA492.md): Infinity Infinity · Little Rock, AR · Accident · Serious injuries · Limited investigation · Final report · Aug 12, 2010 · N208FA · Substantial damage
  > The failure of the control lanyard for undetermined reasons.
- [NTSB WPR09LA032](https://openairdocs.org/ntsb/WPR09LA032.md): Universal Globe · Wallace, CA · Accident · 1 fatal · Limited investigation · Final report · Nov 7, 2008 · N80715 · Destroyed
  > The pilot's incapacitation during cruise for unknown reasons that resulted in a loss of aircraft control.
- [NTSB NYC08LA264](https://openairdocs.org/ntsb/NYC08LA264.md): Piper PA-32RT-300T · Palakta, FL · Accident · Minor injuries · Limited investigation · Final report · Aug 3, 2008 · N39758 · Substantial damage
  > The partial loss of engine power for undetermined reasons.
- [NTSB NYC08LA224](https://openairdocs.org/ntsb/NYC08LA224.md): Aero Vodochody Aero. Works L-29 Delfin · Millville, NJ · Accident · 2 fatal · Limited investigation · Final report · Jun 22, 2008 · N29DJ · Substantial damage
  > A total loss of engine power due to fuel starvation as a result of a clogged fuel filter that was not identified due to the pilot's inadequate preflight inspection.
- [NTSB SEA08LA072](https://openairdocs.org/ntsb/SEA08LA072.md): Wooters Lancair ES · Albany, OR · Accident · 3 fatal · Limited investigation · Final report · Feb 8, 2008 · N329BW · Substantial damage
  > The pilot-in-command's failure to maintain aircraft control while in cruise flight. Contributing to the accident were inadequate planning/decision, icing conditions, and continued flight into known icing conditions.
- [NTSB LAX08FA047](https://openairdocs.org/ntsb/LAX08FA047.md): Beechcraft V35B · Selma, CA · Accident · 1 fatal · Field investigation · Final report · Jan 18, 2008 · N4662M · Substantial damage
  > The pilot's failure to maintain control resulting in the in-flight break-up of the airplane due to aerodynamic overload. Contributing factors included the pilot's impairment due to multiple medical conditions and due to recent use of alcohol.
- [NTSB CHI07LA086](https://openairdocs.org/ntsb/CHI07LA086.md): Camair 480 · East Liberty, OH · Accident · 1 fatal · Limited investigation · Final report · Mar 8, 2007 · N209 · Destroyed
  > The uncontrolled descent for undetermined reasons.
- [NTSB CHI07FA046](https://openairdocs.org/ntsb/CHI07FA046.md): Rockwell International 114 · Jasper, TN · Accident · 2 fatal · Field investigation · Final report · Dec 26, 2006 · N55MB · Substantial damage
  > The pilot's inability to maintain altitude due to excessive airframe ice accretion, resulting in an in-flight collision with trees and terrain. Additional causes were the pilot's continued flight in icing conditions once they had been encountered, and his…
- [NTSB SEA07FA035](https://openairdocs.org/ntsb/SEA07FA035.md): Beech D95A · Gilroy, CA · Accident · 3 fatal · Field investigation · Final report · Dec 18, 2006 · N144PG · Destroyed
  > The certified flight instructor's failure to maintain directional control of the airplane and inadequate supervision of the flight, which resulted in a stall/spin.
- [NTSB LAX06TA234](https://openairdocs.org/ntsb/LAX06TA234.md): Let Super Blanik L-23 · Los Alamitos, CA · Accident · No injuries · Final report · Jul 11, 2006 · N381BA · Substantial damage
  > failure of the winch operator to maintain an adequate winch tow speed, resulting in a stall and hard landing.
- [NTSB NYC06CA140](https://openairdocs.org/ntsb/NYC06CA140.md): Cessna A185E · Turner, ME · Accident · No injuries · Data collection · Final report · Jun 6, 2006 · N185RW · Substantial damage
  > The pilot's failure to obtain the proper touchdown point, resulting in a runway undershoot, and substantial damage to the airplane.
- [NTSB DEN06LA016](https://openairdocs.org/ntsb/DEN06LA016.md): Abruzzo Grom-1 · Kendall, KS · Accident · Serious injuries · Limited investigation · Final report · Oct 2, 2005 · N96YD · Minor damage
  > the downdraft forcing the balloon into the power lines. A contrbuting factor was the clear air turbulence and the power lines.
- [NTSB DEN05CA138](https://openairdocs.org/ntsb/DEN05CA138.md): Robinson R44 II · Jackson, WY · Accident · No injuries · Data collection · Final report · Sep 9, 2005 · N944U · Substantial damage
  > the pilot's failure to maintain aircraft control during initial takeoff climb resulting in an uncontrolled descent and impact with terrain. A contributing factor was the pilot's encounter in settling with power.
- [NTSB CHI05CA120](https://openairdocs.org/ntsb/CHI05CA120.md): Brantly Helicopter B-2B · Lakeview, MI · Accident · No injuries · Data collection · Final report · May 20, 2005 · N2274U · Substantial damage
  > The dual student failed to maintain adequate rotor rpm during the practice autorotation and the instructor's delay in attempting remedial action. A factor associated with the accident was the soft terrain that was encountered.
- [NTSB ATL05CA030](https://openairdocs.org/ntsb/ATL05CA030.md): Mooney M20J · Statesville, NC · Accident · No injuries · Data collection · Final report · Nov 27, 2004 · N2201 · Substantial damage
  > the flight instructors improper use of the flight controls on rotation during a short field takeoff resulting in the airplane becoming airborne, stall, and collision with the ground. A factor in the accident was the instructors failure to brief procedures for…
- [NTSB ATL04CA170](https://openairdocs.org/ntsb/ATL04CA170.md): Cessna 172R · Atlanta, GA · Accident · Minor injuries · Data collection · Final report · Aug 28, 2004 · N26486 · Substantial damage
  > The intentional interuption of the flight controls in flight that resulted in a uncontrolled descent and collision with a fence.
- [NTSB SEA04CA122](https://openairdocs.org/ntsb/SEA04CA122.md): Robinson R22 Mariner · Hillsboro, OR · Accident · Minor injuries · Data collection · Final report · Jul 5, 2004 · N856HA · Substantial damage
  > The pilot's failure to maintain aircraft control resulting in an uncontrolled descent and subsequent roll over. Low altitude flight and the pilot's encounter with settling with power were contributing factors.
- [NTSB NYC04CA074](https://openairdocs.org/ntsb/NYC04CA074.md): Danbrook Corbin Jr Ace · Pittsgrove, NJ · Accident · No injuries · Data collection · Final report · Feb 13, 2004 · N823DP · Substantial damage
  > The pilot's improper flare and his failure to maintain adequate airspeed which resulted in a stall and a hard landing.
- [NTSB ATL04LA050](https://openairdocs.org/ntsb/ATL04LA050.md): Baker KR-2 · St. Marys, GA · Accident · Minor injuries · Limited investigation · Final report · Dec 21, 2003 · N93PC · Substantial damage
  > The pilot's failure to maintain airspeed during climb out which resulted in a stall and inflight collision with trees.
- [NTSB ATL03FA104](https://openairdocs.org/ntsb/ATL03FA104.md): Piper PA-44-180 · Battleboro, NC · Accident · 3 fatal · Field investigation · Final report · Jun 8, 2003 · N578TP · Substantial damage
  > The certified flight instructor's (CFI) failure to maintain flying speed that resulted in a stall/spin and the uncontrolled collision with the ground.
- [NTSB ATL03FA041](https://openairdocs.org/ntsb/ATL03FA041.md): Piper PA-24-250 · Florence, SC · Accident · 3 fatal · Field investigation · Final report · Feb 6, 2003 · N5587P · Destroyed
  > The pilot experienced spatial disorientation, which resulted in a loss of control and the subsequent collision with the ground. A factors was dark night and clouds.
- [NTSB FTW03FA064](https://openairdocs.org/ntsb/FTW03FA064.md): Beech BE-58 · Egypt, AR · Accident · 1 fatal · Field investigation · Final report · Dec 24, 2002 · N5TV · Destroyed
  > The pilot's inadvertent flight into severe icing conditions. A contributing factor was the pilot's inadequate preflight planning.
- [NTSB DEN02LA109](https://openairdocs.org/ntsb/DEN02LA109.md): Sabian Rans S-12XL · Mexican Hat, UT · Accident · 2 fatal · Limited investigation · Final report · Sep 22, 2002 · N725ST · Destroyed
  > the pilot's inadequate in-flight planning and decision making (flying up a canyon with insufficient altitude) which resulted in an inadvertent stall/mush, and the pilot's failure to follow the proper emergency procedures for activating his Ballistic Recovery…
- [NTSB CHI02FA172](https://openairdocs.org/ntsb/CHI02FA172.md): Cessna 182A · Foster City, MI · Accident · 1 fatal · Field investigation · Final report · Jun 17, 2002 · N5034D · Destroyed
  > The incapacitation of the pilot. A contributing factor was the pilot and medical examiner providing false information on the pilot's medical applications.
- [NTSB CHI02LA121](https://openairdocs.org/ntsb/CHI02LA121.md): Yoder GP-4 · Mount Pleasant, MI · Accident · 2 fatal · Limited investigation · Final report · May 5, 2002 · N59JY · Destroyed
  > The inadvertent stall/spin by the pilot-in-command.
- [NTSB IAD01FA097](https://openairdocs.org/ntsb/IAD01FA097.md): Cessna 150 · Mcgaheysville, VA · Accident · 2 fatal · Field investigation · Final report · Aug 14, 2001 · N63351 · Substantial damage
  > The flight instructor's failure to recover from a spin for undetermined reasons.
- [NTSB NYC01LA191](https://openairdocs.org/ntsb/NYC01LA191.md): Mooney M20J · East Greenwich, NJ · Accident · No injuries · Limited investigation · Final report · Jul 28, 2001 · N246JC · Substantial damage
  > The pilot's premature liftoff which resulted in an inadvertent stall.
- [NTSB MIA01LA181](https://openairdocs.org/ntsb/MIA01LA181.md): Floback Lancair 4 · Kissimmee, FL · Accident · 1 fatal · Limited investigation · Final report · Jul 11, 2001 · N720BF · Destroyed
  > the failure of the pilot to maintain airspeed, which resulted in an inadvertent stall/spin, and subsequent impact with the terrain.
- [NTSB NYC01FA089](https://openairdocs.org/ntsb/NYC01FA089.md): Cessna 182Q · Dixon, KY · Accident · 1 fatal · Field investigation · Final report · Mar 24, 2001 · N4752N · Destroyed
  > The pilot's failure to maintain adequate clearance while maneuvering, which resulted in an in-flight collision with trees.
- [NTSB DCA01MA017](https://openairdocs.org/ntsb/DCA01MA017.md): Beech 200 · Strasburg, CO · Accident · 10 fatal · Class 1 · Major · Final report · Jan 27, 2001 · N81PF · Destroyed
  > The pilot’s spatial disorientation resulting from his failure to maintain positive manual control of the airplane with the available flight instrumentation. Contributing to the cause of the accident was the loss of a.c. electrical power during instrument…

Next page: https://openairdocs.org/ntsb-phases/650/cases.md?status=final&page=2

## 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."completionStatus" = 'Completed'
  AND c."mKey" IN (SELECT case_mkey FROM case_phases WHERE main = 650)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-phases/650/cases?status=final

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