# 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 238 of 718 · 35,885 cases

## Cases, newest first

- [NTSB MIA93FA198](https://openairdocs.org/ntsb/MIA93FA198.md): Socata TB 10 · Aguadilla, PR · Accident · 3 fatal · Field investigation · Final report · Sep 19, 1993 · N104F · Destroyed
  > In flight encounter with a level ii thunderstorm and flight into known advese weather by the pilot in command. Contributing to the accident was failure of the pilot in command to obtain a preflight weather briefing.
- [NTSB CHI93LA365](https://openairdocs.org/ntsb/CHI93LA365.md): Grumman AA5B · Aurora, IL · Accident · No injuries · Limited investigation · Final report · Sep 18, 1993 · N55VL · Substantial damage
  > the fatigue failure and separation of a portion of propeller blade during cruise flight. Related factors are the damage to the flat face of the blade, and inadequate maintenance inspection of the propeller.
- [NTSB BFO93FA178](https://openairdocs.org/ntsb/BFO93FA178.md): Maule M-4-210C · Staunton, VA · Accident · 1 fatal · Field investigation · Final report · Sep 18, 1993 · N2026U · Destroyed
  > Inadequate preflight by the pilot which resulted in inadequate altitude to clear the embankment during the initial climb. Factors in this accident were a tailwind on takeoff and rising terrain at the departure end of the grass airstrip.
- [NTSB LAX93LA356](https://openairdocs.org/ntsb/LAX93LA356.md): Cessna 182A · Oracle, AZ · Accident · Serious injuries · Limited investigation · Final report · Sep 17, 1993 · N6336B · Substantial damage
  > Failure of the crankshaft due to fatigue.
- [NTSB CHI93LA368](https://openairdocs.org/ntsb/CHI93LA368.md): Kewley KR2 · Carbondale, IL · Accident · Minor injuries · Limited investigation · Final report · Sep 17, 1993 · N25DK · Substantial damage
  > Improper planning/decision by the pilot, which resulted in fuel exhaustion due to lack of fuel.
- [NTSB MIA93LA196](https://openairdocs.org/ntsb/MIA93LA196.md): Sukhoi SU-26M · Natchez, MS · Accident · Minor injuries · Limited investigation · Final report · Sep 16, 1993 · N26CY · Substantial damage
  > The pilot-in-command's failure to accurately calculate fuel consumption resulting in total loss of engine power due to fuel exhaustion while approaching the destination airport.
- [NTSB LAX93LA354](https://openairdocs.org/ntsb/LAX93LA354.md): Cessna 152 · Hesperia, CA · Accident · No injuries · Limited investigation · Final report · Sep 16, 1993 · N49813 · Substantial damage
  > The pilot in command not maintaining a proper glidepath. Factors pertaining to this accident were: the pilot in command not obtaining a weather forecast for the return flight, and the lack of total experieince in night flying.
- [NTSB CHI93LA364](https://openairdocs.org/ntsb/CHI93LA364.md): Cessna 172P · Fieldon, IL · Accident · No injuries · Limited investigation · Final report · Sep 16, 1993 · N52502 · Substantial damage
  > Partial failure (deterioration) of the #1 piston pin plug, which resulted in contamination of the lubricating system and failure of the #3 connecting rod.
- [NTSB ATL93LA159](https://openairdocs.org/ntsb/ATL93LA159.md): Boeing 757-232 · Atlanta, GA · Accident · Serious injuries · Limited investigation · Final report · Sep 16, 1993 · N627DL · No damage
  > Was the pilot's inaccurate evaluation of weather conditions which resulted in the flight entering an area of turbulence.
- [NTSB BFO93IA175](https://openairdocs.org/ntsb/BFO93IA175.md): Boeing 757-200ER · Jamaica, NY · Incident · No injuries · Incident investigation · Final report · Sep 13, 1993 · N757NA · No damage
  > The failure of the left hydraulic pressure switch, which caused the left yaw damper module to become inoperative resulting in uncommanded rudder movements during flight.
- [NTSB CHI93LA359](https://openairdocs.org/ntsb/CHI93LA359.md): Cessna 172F · Indianapolis, IN · Accident · No injuries · Limited investigation · Final report · Sep 12, 1993 · N5678R · Substantial damage
  > The failure of the left magneto, which resulted in a partial loss of engine power.
- [NTSB CHI93LA357](https://openairdocs.org/ntsb/CHI93LA357.md): Boeing A75N1 · Springfield, MO · Accident · Serious injuries · Limited investigation · Final report · Sep 12, 1993 · N54941 · Substantial damage
  > the disconnection of the primer supply line at the fuel strainer.
- [NTSB NYC93IA184](https://openairdocs.org/ntsb/NYC93IA184.md): Boeing 747-200 · New York, NY · Incident · No injuries · Incident investigation · Final report · Sep 11, 1993 · N17025 · Minor damage
  > The improper installation of the fairing by company maintenance personnel, resulting in the infligh separation of the fairing in flight.
- [NTSB CHI93LA360](https://openairdocs.org/ntsb/CHI93LA360.md): Beech 35 · Marshfield, MO · Accident · Minor injuries · Limited investigation · Final report · Sep 11, 1993 · N650V · Substantial damage
  > fuel exhaustion due to the failure of the fuel tank selector valve handle which prohibited the pilot from switching to a tank containing fuel.
- [NTSB CHI93LA356](https://openairdocs.org/ntsb/CHI93LA356.md): Cessna 150H · Crescent, IA · Accident · No injuries · Limited investigation · Final report · Sep 11, 1993 · N23205 · Substantial damage
  > Improper in-flight planning/decision by the pilot, after encountering unfavorable winds and a low fuel level, which resulted in fuel exhaustion. The unfavorable wind was a related factor.
- [NTSB BFO93LA171](https://openairdocs.org/ntsb/BFO93LA171.md): Piper PA-28-180 · Byfield, MA · Accident · Minor injuries · Limited investigation · Final report · Sep 11, 1993 · N4898T · Destroyed
  > Loss of engine power during climb for undetermined reasons.
- [NTSB ATL93LA157](https://openairdocs.org/ntsb/ATL93LA157.md): Air Tractor AT301 · Deatsville, AL · Accident · No injuries · Limited investigation · Final report · Sep 11, 1993 · N36613 · Substantial damage
  > Was a crack in no.3 cylinder head which resulted in the loss of engine power.
- [NTSB ANC93FA173](https://openairdocs.org/ntsb/ANC93FA173.md): Cessna 180 · Cooper Landing, AK · Accident · Serious injuries · Field investigation · Final report · Sep 11, 1993 · N7541K · Substantial damage
  > The separation of the throttle arm from the thorttle shaft, the failure of the maintenance personnel to comply with the airworthiness directive, and the company management's failure to adequately ensure compliance with the airworthiness directives.
- [NTSB SEA93LA197](https://openairdocs.org/ntsb/SEA93LA197.md): Piper PA-28-181 · Merrill, OR · Accident · Minor injuries · Limited investigation · Final report · Sep 10, 1993 · N6114J · Substantial damage
  > Fuel exhaustion and inadequate inflight planning/decision.
- [NTSB CHI93LA355](https://openairdocs.org/ntsb/CHI93LA355.md): Piper PA-28-181 · Davison, MI · Accident · Minor injuries · Limited investigation · Final report · Sep 10, 1993 · N38602 · Substantial damage
  > Improper planning/decision by the pilot, which resulted in inadequate fuel and fuel exhaustion.
- [NTSB BFO93FA167](https://openairdocs.org/ntsb/BFO93FA167.md): Piper PA-32RT-300T · Marshall, VA · Accident · 2 fatal · Field investigation · Final report · Sep 10, 1993 · N2207B · Destroyed
  > An inadequate annual inspection of the airplane and non-compliance with airworthiness directives by company maintenance personnel.
- [NTSB ATL93FA155](https://openairdocs.org/ntsb/ATL93FA155.md): Beech F35 · Jackson, TN · Accident · 2 fatal · Field investigation · Final report · Sep 10, 1993 · N3886B · Substantial damage
  > The improper use of old auto fuel for the refueling of the aircraft. Factors in the accident were the deterioration of the octane in the auto fuel being used in the aircraft and the delayed decision by the pilot to choose a suitable area and execute a forced…
- [NTSB BFO93LA164](https://openairdocs.org/ntsb/BFO93LA164.md): Cessna 402B · Eau Claire, PA · Accident · No injuries · Limited investigation · Final report · Sep 8, 1993 · N4504B · Substantial damage
  > The separation of the number four cylinder on the airplane's left engine for undetermined reasons. A factor in the accident was the rough/uneven terrain.
- [NTSB LAX93LA345](https://openairdocs.org/ntsb/LAX93LA345.md): Cessna 172G · Avalon, CA · Accident · No injuries · Limited investigation · Final report · Sep 6, 1993 · N4143L · Destroyed
  > the oil starvation related failure of the number 1 and 2 connecting rods due to improper torque of the crankcase through bolts at the number 2 cylinder, which allowed fretting of the bearing surfaces and the resulting closure of the oil ports. The under…
- [NTSB BFO93LA163](https://openairdocs.org/ntsb/BFO93LA163.md): Piper PA-28-161 · Stowe, VT · Accident · Minor injuries · Limited investigation · Final report · Sep 6, 1993 · N6911C · Destroyed
  > The pilot's improper in-flight planning/decision. A related factor in the accident was: the partial loss of engine power for an undetermined reason.
- [NTSB LAX93LA346](https://openairdocs.org/ntsb/LAX93LA346.md): Cessna 150L · Chemehuevi Valy, CA · Accident · No injuries · Limited investigation · Final report · Sep 5, 1993 · N10669 · Substantial damage
  > A loss of engine power for undetermined reasons. A factor in the accident was the unsuitable nature of the terrain for the forced landing attempt.
- [NTSB FTW93LA257](https://openairdocs.org/ntsb/FTW93LA257.md): Beech C-45H · Fentress, TX · Accident · 1 fatal · Limited investigation · Final report · Sep 5, 1993 · N125MB · Minor damage
  > Inadvertent deployment of the skydiver's reserve parachute for undetermined reasons.
- [NTSB BFO93LA157](https://openairdocs.org/ntsb/BFO93LA157.md): Mooney M20C · Oak Grove, KY · Accident · Minor injuries · Limited investigation · Final report · Sep 5, 1993 · N78992 · Substantial damage
  > The pilot's innacurate preflight fuel consuption calculations and inadequate in-flight planning/decisions, which resulted in fuel exhaustion and subsequent loss of engine power. A factor related to the accident was: high obstructions in the emergency landing…
- [NTSB ATL93FA151](https://openairdocs.org/ntsb/ATL93FA151.md): Piper PA-32R-300 · Laurinburg, NC · Accident · 2 fatal · Field investigation · Final report · Sep 5, 1993 · N5339F · Destroyed
  > The pilot's VFR flight into instrument meteorological conditions (IMC), failure to maintain control of the aircraft after becoming spatially disoriented, and inadvertently exceeding the design stress limits of the aircraft. Factors related to the accident…
- [NTSB FTW93LA253](https://openairdocs.org/ntsb/FTW93LA253.md): Cessna 150H · Weatherford, TX · Accident · Serious injuries · Limited investigation · Final report · Sep 4, 1993 · N23192 · Substantial damage
  > Fuel exhaustion. Factors were: the pilot's failure to have the airplane serviced to capacity prior to departure, and his erroneous fuel consumption calculations.
- [NTSB FTW93LA272](https://openairdocs.org/ntsb/FTW93LA272.md): Coen Benson B8 · Aurora, CO · Accident · 1 fatal · Limited investigation · Final report · Sep 3, 1993 · UNREG · Destroyed
  > Fatigue failure of the center engine mount that altered the thrust and lift vectors.
- [NTSB SEA93LA189](https://openairdocs.org/ntsb/SEA93LA189.md): Cessna 150M · Missoula, MT · Accident · No injuries · Limited investigation · Final report · Sep 2, 1993 · N3305V · Destroyed
  > The loss of engine power from fuel exhaustion due to inadequate preflt planning/preparation by the PIC. A factor related to the accident was the rough/uneven terrain at the accident site.
- [NTSB SEA93FA187](https://openairdocs.org/ntsb/SEA93FA187.md): Cessna 180 · Cheyenne, WY · Accident · 3 fatal · Field investigation · Final report · Sep 2, 1993 · N3120C · Destroyed
  > Improper in-flight planning/decison by the pilot, which resulted in exceeding the design stress limits of the aircraft after encountering adverse weather. The weather conditions were related factors.
- [NTSB BFO93LA150](https://openairdocs.org/ntsb/BFO93LA150.md): Piper PA-24-250 · Caribou, ME · Accident · Minor injuries · Limited investigation · Final report · Sep 2, 1993 · N7507P · Substantial damage
  > Loss of engine power for undetermined reasons. Contributing to the accident was the unsuitable terrain.
- [NTSB CHI93LA345](https://openairdocs.org/ntsb/CHI93LA345.md): Beech P35 · Ottumwa, IA · Accident · No injuries · Limited investigation · Final report · Aug 31, 1993 · N8527M · Substantial damage
  > an oil leak in the oil filter adapter. A factor was landing in a crop field.
- [NTSB CHI93LA343](https://openairdocs.org/ntsb/CHI93LA343.md): Cessna T210N · Lake In The Hil, IL · Accident · No injuries · Limited investigation · Final report · Aug 31, 1993 · N6649N · Substantial damage
  > Chafing of a fuel system line.
- [NTSB ANC93LA170](https://openairdocs.org/ntsb/ANC93LA170.md): Cessna 185 · Hulahula River, AK · Accident · 1 fatal · Limited investigation · Final report · Aug 30, 1993 · N70087 · Destroyed
  > The pilot in command's attempted VFR flight into IMC conditions. Factors contributing to the accident were the high terrain and the obscuration.
- [NTSB NYC93FA177](https://openairdocs.org/ntsb/NYC93FA177.md): Mitsubishi MU-2B-40 · S. Charleston, WV · Accident · Minor injuries · Field investigation · Final report · Aug 29, 1993 · N965MA · Destroyed
  > was improper emergency procedures by the pilot which resulted in the shutdown of an operative engine, following a power loss due to a failed torque sensor in the other engine, which resulted in a total power loss approach, landing, and overrun.
- [NTSB FTW93LA247](https://openairdocs.org/ntsb/FTW93LA247.md): Piper PA-28-140 · Grand Prairie, TX · Accident · Minor injuries · Limited investigation · Final report · Aug 29, 1993 · N471FT · Substantial damage
  > The fuel exhaustion induced power loss, the pilot's miscalculation of the amount of fuel required for the flight, and his failure to refuel. Factors were the dark night conditions and the lack of suitable terrain onto which a forced landing could be executed.
- [NTSB NYC93LA176](https://openairdocs.org/ntsb/NYC93LA176.md): Champion Citabria 7-GCBC · Fire Island, NY · Accident · Minor injuries · Limited investigation · Final report · Aug 28, 1993 · N5029L · Substantial damage
  > Failure of the #4 cylinder valve stem.
- [NTSB FTW93LA248](https://openairdocs.org/ntsb/FTW93LA248.md): Piper PA-28-151 · Tulsa, OK · Accident · No injuries · Limited investigation · Final report · Aug 28, 1993 · N41377 · Destroyed
  > The loss of engine power and engine fire for undetermined reasons.
- [NTSB MIA93FA184](https://openairdocs.org/ntsb/MIA93FA184.md): Reher, Kent O. RV 6 · Grand Ridge, FL · Accident · 1 fatal · Field investigation · Final report · Aug 27, 1993 · N220KM · Destroyed
  > Undetermined.
- [NTSB CHI93LA339](https://openairdocs.org/ntsb/CHI93LA339.md): Cessna 172L · Curryville, MO · Accident · No injuries · Limited investigation · Final report · Aug 27, 1993 · N25BK · Substantial damage
  > Improper preflight planning and procedures by the pilot-in-command which resulted in fuel exhaustion.
- [NTSB LAX93FA333](https://openairdocs.org/ntsb/LAX93FA333.md): Aero Commander 690A · Bishop, CA · Accident · No injuries · Field investigation · Final report · Aug 26, 1993 · N706KC · Substantial damage
  > a loss of control and upset due to an inadequate adjustment of the ailerons and aileron trim tab by company maintenance personnel that resulted in a partial failure of the right horizontal stabilizer.
- [NTSB MIA93FA183](https://openairdocs.org/ntsb/MIA93FA183.md): Cessna 402C · Andytown, FL · Accident · Serious injuries · Field investigation · Final report · Aug 25, 1993 · N206RH · Substantial damage
  > The failure of the pilot to feather the propeller when the engine lost power, and his failure to follow the emergency procedure checklist. Contributing to the accident was the inadequate design of the fuel tank float valves which allowed for excessive wear…
- [NTSB NYC93LA171](https://openairdocs.org/ntsb/NYC93LA171.md): Cessna 172 · Phillips, ME · Accident · No injuries · Limited investigation · Final report · Aug 22, 1993 · N90441 · Substantial damage
  > The pilot's inadequate preflight and inflight decision which resulted in fuel exhaustion and the loss of engine power.
- [NTSB NYC93LA170](https://openairdocs.org/ntsb/NYC93LA170.md): Cessna 177B · Skaneateles, NY · Accident · Serious injuries · Limited investigation · Final report · Aug 22, 1993 · N20128 · Substantial damage
  > The improper installation of the engine oil filter, and the subsequent loss of oil and engine power, resulting in forced landing and collsion with trees.
- [NTSB NYC93FA169](https://openairdocs.org/ntsb/NYC93FA169.md): Beech F35 · Medford, NJ · Accident · 2 fatal · Field investigation · Final report · Aug 22, 1993 · N3804B · Substantial damage
  > The pilot's failure to select a fuel tank that contained fuel, and perform the emergency procedure to restart the engine, which resulted in fuel starvation and the loss of engine power. Factors are the pilot's lack of total experience and his inadequate…
- [NTSB CHI93LA335](https://openairdocs.org/ntsb/CHI93LA335.md): Cessna 150J · Rochester, IN · Accident · No injuries · Limited investigation · Final report · Aug 22, 1993 · N74GT · Substantial damage
  > the commercial pilot's inadequate preflight planning/preparation.
- [NTSB SEA93LA180](https://openairdocs.org/ntsb/SEA93LA180.md): Beech C23 · Lakeview, OR · Accident · No injuries · Limited investigation · Final report · Aug 21, 1993 · N6547R · Substantial damage
  > A fractured exhaust valve. The rough terrain was a factor.

Next page: https://openairdocs.org/ntsb-phases/400/cases.md?page=239

## 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=238

---
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.