# NTSB investigations: Enroute

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 36 of 718 · 35,883 cases

## Cases, newest first

- [NTSB GAA21WA171](https://openairdocs.org/ntsb/GAA21WA171.md): Bell 412 · Ejea de los Caballeros, Spain · Accident · Class 5 · Foreign · Jul 11, 2021 · EC-MTS · Substantial damage
- [NTSB CEN21LA316](https://openairdocs.org/ntsb/CEN21LA316.md): Cessna 172F · Eagle Butte, SD · Accident · No injuries · Class 3 · Limited · Final report · Jul 11, 2021 · N5340R · Substantial damage
  > A total loss of engine power due to the fatigue failure of the No. 6 connecting rod.
- [NTSB WPR21FA266](https://openairdocs.org/ntsb/WPR21FA266.md): Beech C90 · Wikieup, AZ · Accident · 2 fatal · Class 3 · Field · Final report · Jul 10, 2021 · N3688P · Destroyed
  > The failure and separation of the left wing’s outboard section due to a fatigue crack in the lower spar cap. Contributing to the accident was the operator’s decision to repair the wing spar instead of replacing it as recommended by the aircraft manufacturer.…
- [NTSB GAA21WA172](https://openairdocs.org/ntsb/GAA21WA172.md): Douglas DC3 · Restrepo, Colombia · Accident · 3 fatal · Class 5 · Foreign · Jul 8, 2021 · HK-2820 · Destroyed
- [NTSB ENG21WA046](https://openairdocs.org/ntsb/ENG21WA046.md): Boeing 737 · Enroute, Germany · Incident · No injuries · Class 5 · Foreign · Jul 7, 2021 · EI-STM · No damage
- [NTSB DCA21WA180](https://openairdocs.org/ntsb/DCA21WA180.md): Boeing 737 · Ballarat, Australia · Incident · No injuries · Class 5 · Foreign · Jul 6, 2021 · VH-XMO · No damage
- [NTSB DCA21LA176](https://openairdocs.org/ntsb/DCA21LA176.md): Airbus A321-231 · Miami, FL · Accident · Serious injuries · Class 4 · Limited · Final report · Jul 5, 2021 · N156AN · No damage
  > an inadvertent encounter with convective turbulence.
- [NTSB GAA21WA168](https://openairdocs.org/ntsb/GAA21WA168.md): Boeing A75N1(PT17) · Luneburg, Germany · Accident · No injuries · Class 5 · Foreign · Jul 4, 2021 · N429AB · Substantial damage
- [NTSB CEN21FA305](https://openairdocs.org/ntsb/CEN21FA305.md): Hawker Beechcraft G36 · Aspen, CO · Accident · 2 fatal · Class 3 · Field · Final report · Jul 4, 2021 · N36JJ · Destroyed
  > The pilot’s failure to navigate through mountainous terrain, which resulted in controlled flight into terrain.
- [NTSB CEN21FA304](https://openairdocs.org/ntsb/CEN21FA304.md): Focke-Wulf FWP-149D · Killeen, TX · Accident · 1 fatal · Class 3 · Field · Final report · Jul 4, 2021 · N9145 · Destroyed
  > The total loss of engine power due to a fatigue failure of a crankshaft counterweight mounting lobe, which resulted in a counterweight separation and catastrophic secondary damage to the engine drivetrain. Contributing to the accident was the mislabeled…
- [NTSB CEN21LA321](https://openairdocs.org/ntsb/CEN21LA321.md): Swann Lynn J Seawind 3000 · Charlevoix, MI · Accident · No injuries · Class 4 · Limited · Final report · Jul 3, 2021 · N8UU · Destroyed
  > The loss of engine power for undetermined reasons based on available evidence.
- [NTSB GAA21WA163](https://openairdocs.org/ntsb/GAA21WA163.md): Piper PA-32-260 · Leogane, Haiti · Accident · 6 fatal · Class 5 · Foreign · Jul 2, 2021 · N8694N · Destroyed
- [NTSB CEN21FA300](https://openairdocs.org/ntsb/CEN21FA300.md): Beech 35-33 · Roff, OK · Accident · 2 fatal · Class 3 · Field · Final report · Jul 2, 2021 · N302Z · Destroyed
  > The pilot’s loss of airplane control due to spatial disorientation during low-level nighttime flight.
- [NTSB WPR21FA258](https://openairdocs.org/ntsb/WPR21FA258.md): Cessna 172R · Missoula, MT · Accident · 2 fatal · Class 3 · Field · Final report · Jul 1, 2021 · N2388L · Substantial damage
  > The pilot’s failure to maintain airspeed and exceedance of the airplane’s critical angle of attack, which resulted in an aerodynamic stall at an altitude too low for recovery.
- [NTSB ERA21LA307](https://openairdocs.org/ntsb/ERA21LA307.md): Cessna 150 · Carrollton, AL · Accident · No injuries · Class 4 · Limited · Final report · Jul 1, 2021 · N561QL · Substantial damage
  > The pilot’s incorrect preflight planning and poor in-flight planning, resulting in fuel exhaustion. Contributing to the damage was the inadvertent encounter with a hole during the forced landing.
- [NTSB GAA21WA190](https://openairdocs.org/ntsb/GAA21WA190.md): Cabri G2 · Lostallo, Switzerland · Accident · No injuries · Class 5 · Foreign · Jun 26, 2021 · HB-ZPU · Substantial damage
- [NTSB DCA21LA164](https://openairdocs.org/ntsb/DCA21LA164.md): Airbus A321-231 · New Orleans, LA · Accident · Serious injuries · Class 4 · Limited · Final report · Jun 25, 2021 · N926UW · No damage
  > An inadvertent encounter with severe turbulence during cruise flight that caused a flight attendant to fall and fracture his ankle.
- [NTSB CEN21FA290](https://openairdocs.org/ntsb/CEN21FA290.md): American AA-1A · Cleburne, TX · Accident · 2 fatal · Class 3 · Field · Final report · Jun 24, 2021 · N9261L · Destroyed
  > The canopy moving fully open during flight, which resulted in the pilot’s distraction and a subsequent aerodynamic stall/spin and loss of control.
- [NTSB GAA21WA159](https://openairdocs.org/ntsb/GAA21WA159.md): Beech 36 · Neubrandenburg, Germany · Accident · No injuries · Class 5 · Foreign · Jun 22, 2021 · D-ENET · Substantial damage
- [NTSB ERA21FA263](https://openairdocs.org/ntsb/ERA21FA263.md): Cirrus SR22 · Mercer, TN · Accident · 1 fatal · Class 3 · Field · Final report · Jun 21, 2021 · N333LZ · Substantial damage
  > A partial loss of engine power due to foreign object debris contamination of the left turbocharger wastegate. Contributing to the accident was the pilot’s failure to divert to the nearest airport.
- [NTSB WPR21LA235](https://openairdocs.org/ntsb/WPR21LA235.md): HPH Glasflugel · Winthrop, WA · Accident · Minor injuries · Class 4 · Limited · Final report · Jun 20, 2021 · N974CQ · Substantial damage
  > The glider’s encounter with atmospheric conditions where the lift was not sufficient to maintain flight.
- [NTSB CEN21LA287](https://openairdocs.org/ntsb/CEN21LA287.md): Grumman G164 · Sedgwick, AR · Accident · No injuries · Class 3 · Limited · Final report · Jun 20, 2021 · N62375 · Substantial damage
  > The total loss of engine power due to the failure and disengagement of the torque sensor assembly front spur gear from its splined shouldered shaft due to a loose self-locking nut.
- [NTSB WPR21FA231](https://openairdocs.org/ntsb/WPR21FA231.md): Piper PA-28-140 · Rush Valley, UT · Accident · 2 fatal · Class 3 · Field · Final report · Jun 18, 2021 · N6323R · Substantial damage
  > The pilot’s misidentification of a mountain pass at night, which resulted in controlled flight into terrain. Contributing to the accident were the pilot’s overconfidence based on her previous aviation experience and fatigue due to both the time of the flight…
- [NTSB CEN21LA278](https://openairdocs.org/ntsb/CEN21LA278.md): Cessna 152 · Bridgeport, TX · Accident · No injuries · Class 4 · Limited · Final report · Jun 17, 2021 · N68851 · Substantial damage
  > The pilot’s inaccurate estimate of the fuel level during his preflight inspection, which resulted in fuel exhaustion during cruise flight and a total loss of engine power.
- [NTSB CEN21LA276](https://openairdocs.org/ntsb/CEN21LA276.md): Autogyro Cavalon · Collinsville, TX · Accident · No injuries · Class 3 · Limited · Final report · Jun 16, 2021 · N46JS · Substantial damage
  > The total loss of engine power due to the failure of both fuel pumps, which resulted in fuel starvation. The reason for the failure of both fuel pumps could not be determined based on available evidence.
- [NTSB ERA21FA253](https://openairdocs.org/ntsb/ERA21FA253.md): Vans RV6 · Buckingham, PA · Accident · 1 fatal · Class 3 · Field · Final report · Jun 15, 2021 · N74MS · Substantial damage
  > An exhaust system leak that resulted in failure of the oil quick drain, a loss of oil lubrication, an in-flight fire, and the pilot’s subsequent loss of airplane control.
- [NTSB ERA21LA250](https://openairdocs.org/ntsb/ERA21LA250.md): Diamond DA20 · Matthews, VA · Accident · Minor injuries · Class 3 · Limited · Final report · Jun 14, 2021 · N458MA · Substantial damage
  > The mechanic’s failure to properly secure the oil sump drain plug during a 100-hour maintenance inspection, which resulted in a total loss of engine power due to oil starvation.
- [NTSB GAA21WA144](https://openairdocs.org/ntsb/GAA21WA144.md): Lancair 360 · Neuenrade, Germany · Accident · No injuries · Class 5 · Foreign · Jun 13, 2021 · PH-GHR · Substantial damage
- [NTSB CEN21LA264](https://openairdocs.org/ntsb/CEN21LA264.md): Boeing B75N1 · Elwood, NE · Accident · No injuries · Class 3 · Limited · Final report · Jun 13, 2021 · N777JG · Substantial damage
  > The failure of the engine master rod, resulting in a total loss of engine power and a forced landing.
- [NTSB WPR21LA303](https://openairdocs.org/ntsb/WPR21LA303.md): Cessna 172S · Yelm, WA · Accident · No injuries · Class 3 · Limited · Final report · Jun 11, 2021 · N513WF · Substantial damage
  > A total loss of engine power for reasons that could not be determined based on the available evidence.
- [NTSB CEN21LA261](https://openairdocs.org/ntsb/CEN21LA261.md): Piper PA32 · Lafayette, CO · Accident · No injuries · Class 4 · Limited · Final report · Jun 11, 2021 · N3793W · Substantial damage
  > The flight crew’s improper fuel management that resulted in fuel starvation and the loss of engine power.
- [NTSB GAA21WA142](https://openairdocs.org/ntsb/GAA21WA142.md): Cessna 310 · RondonóPolis, Brazil · Accident · 4 fatal · Class 4 · Foreign · Jun 8, 2021 · PT-KCH · Substantial damage
- [NTSB DCA21WA152](https://openairdocs.org/ntsb/DCA21WA152.md): Boeing 737 · Kolkata, India · Accident · Serious injuries · Class 5 · Foreign · Jun 7, 2021 · VT-TGE · No damage
- [NTSB GAA21WA139](https://openairdocs.org/ntsb/GAA21WA139.md): Cessna 152 · Daleszyce, Poland · Incident · Class 5 · Foreign · Jun 6, 2021 · SP-DCM · No damage
- [NTSB CEN21LA251](https://openairdocs.org/ntsb/CEN21LA251.md): Kevin Lippert Zenith CH 750 · Montrose, CO · Accident · Minor injuries · Class 4 · Limited · Final report · Jun 5, 2021 · N902KL · Substantial damage
  > The loss of engine power due to fuel vapor lock.
- [NTSB WPR21LA224](https://openairdocs.org/ntsb/WPR21LA224.md): Cessna 172G · Washington, CA · Accident · No injuries · Class 3 · Limited · Final report · Jun 2, 2021 · N3871L · Substantial damage
  > A total loss of engine power during an enroute climb due to a stuck exhaust valve and multiple failed piston compression rings.
- [NTSB GAA21WA174](https://openairdocs.org/ntsb/GAA21WA174.md): Cessna 172 · Mitungyy-Meru, Kenya · Accident · 2 fatal · Class 5 · Foreign · May 31, 2021 · 5Y-CFE · Destroyed
- [NTSB WPR21LA220](https://openairdocs.org/ntsb/WPR21LA220.md): Piper PA-24 · Paris, ID · Accident · Serious injuries · Class 3 · Limited · Final report · May 29, 2021 · N6334P · Substantial damage
  > A total loss of engine power for reasons that could not be determined.
- [NTSB WPR21FA211](https://openairdocs.org/ntsb/WPR21FA211.md): Textron 172S · Eden, UT · Accident · 2 fatal · Class 3 · Field · Final report · May 29, 2021 · N1727T · Destroyed
  > The flight instructor’s improper aeronautical decision-making, which led to an encounter with a downdraft at a low altitude in mountainous terrain and resulted in the instructor’s loss of airplane control and an impact with terrain.
- [NTSB ANC21LA043](https://openairdocs.org/ntsb/ANC21LA043.md): Cessna 182K · Cordova, AK · Accident · Minor injuries · Class 3 · Limited · Final report · May 29, 2021 · N2761Q · Substantial damage
  > An encounter with mountain wave turbulence and windshear that exceeded the climb capability of the airplane and resulted in impact with terrain.
- [NTSB DCA21WA142](https://openairdocs.org/ntsb/DCA21WA142.md): Boeing 737 · Barcelona, Spain · Incident · Class 5 · Foreign · May 28, 2021 · PH-BXF · 2 aircraft · No damage
- [NTSB CEN21LA241](https://openairdocs.org/ntsb/CEN21LA241.md): Pipistrel Alpha Trainer · Fort Collins, CO · Accident · Serious injuries · Class 3 · Limited · Final report · May 28, 2021 · N119JP · Substantial damage
  > A partial loss of engine power due to the failure of the throttle control cable, which resulted in the loss of control of the dual carburetor system. The cable failure was a result of improper soldering at the throttle cable input terminal on the splitter…
- [NTSB CEN21FA238](https://openairdocs.org/ntsb/CEN21FA238.md): Lancair Evolution · McDermott, OH · Accident · 2 fatal · Class 3 · Field · Final report · May 28, 2021 · N515DL · Destroyed
  > The pilot’s failure to recognize and avoid airframe icing conditions, which resulted in a loss of airplane performance and a subsequent loss of control and in-flight break-up.
- [NTSB ENG21WA027](https://openairdocs.org/ntsb/ENG21WA027.md): Boeing 737 · Beograd, Serbia · Incident · Class 5 · Foreign · May 27, 2021 · OO-JAO · Minor damage
- [NTSB GAA21WA133](https://openairdocs.org/ntsb/GAA21WA133.md): Robinson R22 · Hay South, Australia · Accident · 1 fatal · Class 5 · Foreign · May 26, 2021 · VH-KLY · Substantial damage
- [NTSB ERA21FA232](https://openairdocs.org/ntsb/ERA21FA232.md): Gulfstream American AA-5A · Crossville, TN · Accident · 1 fatal · Class 3 · Field · Final report · May 25, 2021 · N26889 · Destroyed
  > A partial loss of engine power due to carburetor icing, which resulted in a descent and impact with terrain. Contributing to the accident was the pilot’s failure to apply carburetor heat following the initial loss of engine power.
- [NTSB ERA21FA229](https://openairdocs.org/ntsb/ERA21FA229.md): Munson Roger J RV-8 · Van Cleve, KY · Accident · 1 fatal · Class 3 · Field · Final report · May 24, 2021 · N284RM · Destroyed
  > A loss of engine power due to loss of engine oil pressure.
- [NTSB WPR21LA205](https://openairdocs.org/ntsb/WPR21LA205.md): Boeing A75N1(PT17) · Ventura, CA · Accident · No injuries · Class 4 · Limited · Final report · May 23, 2021 · N87WF · Substantial damage
  > The partial loss of engine power, during cruise flight, due to the formation of carburetor ice, which resulted in a forced landing to an open field where the airplane nosed over.
- [NTSB ERA21LA228](https://openairdocs.org/ntsb/ERA21LA228.md): Robert Trembly JA20 Highlander · Central City, KY · Accident · Minor injuries · Class 4 · Limited · Final report · May 20, 2021 · N743BT · Substantial damage
  > The pilot’s failure to properly secure the left wing fuel cap before flight, which resulted in a loss of engine power due to fuel exhaustion.
- [NTSB ERA21LA222](https://openairdocs.org/ntsb/ERA21LA222.md): Mooney M20K · Dawson, GA · Accident · Serious injuries · Class 3 · Limited · Final report · May 20, 2021 · N9514R · Substantial damage
  > Maintenance personnel’s failure to properly secure the No. 4 connecting rod bolt nut with a cotter pin, resulting in a total loss of engine power.

Next page: https://openairdocs.org/ntsb-phases/400/cases.md?page=37

## 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 = 400)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-phases/400/cases?page=36

---
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.