# 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 235 of 718 · 35,885 cases

## Cases, newest first

- [NTSB CHI94LA069](https://openairdocs.org/ntsb/CHI94LA069.md): Plummer Supercat · Stafford, KS · Accident · Serious injuries · Limited investigation · Final report · Jan 23, 1994 · UNREG · Substantial damage
  > The pilot's failure to refuel the airplane prior to fuel exhaustion, and his failure to maintain airspeed resulting in an aerodynamic stall. His inadequate training was a factor in the accident.
- [NTSB CHI94FA067](https://openairdocs.org/ntsb/CHI94FA067.md): Piper PA-28-181 · Waseca, MN · Accident · 4 fatal · Field investigation · Final report · Jan 23, 1994 · N4510N · Destroyed
  > Continued VFR flight by the non-instrument rated pilot into instrument meteorological conditions (IMC), and his failure to maintain sufficient altitude (or clearance) above the ground. Factors related to the accident were: an inaccurate weather forecast by…
- [NTSB CHI94LA068](https://openairdocs.org/ntsb/CHI94LA068.md): Piper PA-32RT-300T · Newberry, MI · Accident · No injuries · Limited investigation · Final report · Jan 22, 1994 · N39505 · Destroyed
  > an engine fire which started as the result of an oil leak around the engine oil filter.
- [NTSB MIA94LA052](https://openairdocs.org/ntsb/MIA94LA052.md): Cessna 152 · Osprey, FL · Accident · No injuries · Limited investigation · Final report · Jan 21, 1994 · N68411 · Substantial damage
  > Unsuitable terrain encountered during the forced landing following fatigue failure of the crankshaft during cruise flight.
- [NTSB ATL94LA041](https://openairdocs.org/ntsb/ATL94LA041.md): Cessna T210N · Hayesville, NC · Accident · No injuries · Limited investigation · Final report · Jan 20, 1994 · N6191N · Substantial damage
  > The fatigue failure of no. 2 exhaust valve which resulted from excessive heat and wear to the valve stem. A factor was the dark night.
- [NTSB SEA94FA051](https://openairdocs.org/ntsb/SEA94FA051.md): Cessna 140 · Lopez, WA · Accident · 1 fatal · Field investigation · Final report · Jan 18, 1994 · N77190 · Substantial damage
  > The pilot/owner's improper installation of the oil temperature sensing bulb, the total loss of all engine oil, and the shearing of a connecting rod cap.
- [NTSB BFO94LA027](https://openairdocs.org/ntsb/BFO94LA027.md): Cessna 425 · London, KY · Accident · Serious injuries · Limited investigation · Final report · Jan 18, 1994 · N303MC · Substantial damage
  > Loss of engine power due to fuel contamination.
- [NTSB MIA94LA056](https://openairdocs.org/ntsb/MIA94LA056.md): Piper PA-28-180 · Boynton Beach, FL · Accident · No injuries · Limited investigation · Final report · Jan 17, 1994 · N2338T · Destroyed
  > Partial loss of engine power for undetermined reasons.
- [NTSB MIA94LA054](https://openairdocs.org/ntsb/MIA94LA054.md): Robinson R22B · Gurabo, PR · Accident · No injuries · Limited investigation · Final report · Jan 16, 1994 · N193HC · Substantial damage
  > Complete separation of one of the two vee-belts, and complete separation of 1/2 of the remaining belt. Contributing to the accident was the dark night condition and unsuitable terrain encountered during the autorotative landing.
- [NTSB BFO94LA026](https://openairdocs.org/ntsb/BFO94LA026.md): Bellanca 8KCAB · Middletown, OH · Accident · No injuries · Limited investigation · Final report · Jan 16, 1994 · N41826 · Substantial damage
  > A frozen oil line resulting in the starvation of oil to the engine and subsequent loss of engine power. A related factor was the unsuitable terrain for a forced landing.
- [NTSB BFO94LA025](https://openairdocs.org/ntsb/BFO94LA025.md): Beech 33 · Poughkeepsie, NY · Accident · No injuries · Limited investigation · Final report · Jan 16, 1994 · N930T · Substantial damage
  > The partial loss of engine power due to undetermined reasons. Related to the accident was the lack of suitable terrain to complete a successful forced landing.
- [NTSB ATL94GA038](https://openairdocs.org/ntsb/ATL94GA038.md): Hughes 269C · Atlanta, GA · Accident · Serious injuries · Final report · Jan 16, 1994 · N8994F · Substantial damage
  > The inadvertent closing of the fuel shutoff valve by the pilot. A factor in the accident was the failure of the pilot to maintain rotor RPM during the autorotation.
- [NTSB BFO94LA024](https://openairdocs.org/ntsb/BFO94LA024.md): Cessna P210N · New Castle, DE · Accident · Serious injuries · Limited investigation · Final report · Jan 15, 1994 · N5088W · Substantial damage
  > Loss of partial engine power due to undetermined reasons.
- [NTSB LAX94LA094](https://openairdocs.org/ntsb/LAX94LA094.md): Cessna 140 · Warner Springs, CA · Accident · Minor injuries · Limited investigation · Final report · Jan 14, 1994 · N140KT · Substantial damage
  > a loss of engine power for undetermined reasons.
- [NTSB MIA94LA051](https://openairdocs.org/ntsb/MIA94LA051.md): Robinson R-22 · Miami, FL · Accident · No injuries · Limited investigation · Final report · Jan 13, 1994 · N931KC · Destroyed
  > The pilot-in-command's improper supervision of an unqualified pilot while maneuvering at a low altitude. This resulted in a loss in rotor rpm due to improper flight control input (upward collective pitch), and subsequent in-flight collision with terrain.
- [NTSB CHI94LA062](https://openairdocs.org/ntsb/CHI94LA062.md): Piper PA-28-236 · Highland, IN · Accident · No injuries · Limited investigation · Final report · Jan 13, 1994 · N8117Z · Substantial damage
  > An electrical system failure due to a fractured alternator mounting lug. Factors related to the accident were the rough terrain, and decreasing visibility due to snow and darkness.
- [NTSB FTW94LA063](https://openairdocs.org/ntsb/FTW94LA063.md): Piper PA-34-200 · Vacherie, LA · Accident · Minor injuries · Limited investigation · Final report · Jan 7, 1994 · N1063U · Substantial damage
  > Was fuel exhaustion engine power loss due to the pilot's failure to refuel. A factor was the lack of suitable terrain available for the forced landing.
- [NTSB MIA94MA048](https://openairdocs.org/ntsb/MIA94MA048.md): Beech B90 · Okeechobee, FL · Accident · 10 fatal · Major investigation · Final report · Jan 5, 1994 · N230TW · Destroyed
  > The pilot's improper remedial action concerning a right engine power anomaly, and his failure to maintain adequate airspeed during go-around from an aborted precautionary landing, which resulted in a loss of aircraft control and an uncontrolled descent.…
- [NTSB MIA94LA046](https://openairdocs.org/ntsb/MIA94LA046.md): Piper PA-32R-301 · Live Oak, FL · Accident · Minor injuries · Limited investigation · Final report · Jan 4, 1994 · N8331U · Substantial damage
  > The improper use of the fuel selector by the pilot-in-command by switching to an empty fuel tank. Contributing to the accident was the pilot's failure to switch back to a tank with fuel.
- [NTSB LAX94LA090](https://openairdocs.org/ntsb/LAX94LA090.md): Bell 206B · Coolidge Dam, AZ · Accident · 1 fatal · Limited investigation · Final report · Jan 4, 1994 · N771GM · Destroyed
  > the pilot's selection of a cruise altitude insufficient to ensure adequate obstacle clearance and his inadequate visual lookout. A factor in the accident was the inconspicuousness of the power lines.
- [NTSB NYC94LA045](https://openairdocs.org/ntsb/NYC94LA045.md): Cessna 206A · Williamsburg, VA · Accident · No injuries · Limited investigation · Final report · Jan 3, 1994 · N776P · Substantial damage
  > an exhaust valve failure that created a hole in the piston, which allowed the complete loss of engine oil, resulting in the subsequent forced landing.
- [NTSB MIA94LA045](https://openairdocs.org/ntsb/MIA94LA045.md): Cessna 150E · Raymond, MS · Accident · Minor injuries · Limited investigation · Final report · Jan 2, 1994 · N3089J · Substantial damage
  > The pilot-in-command's delay in identifying carburetor ice and improper use of carburetor heat.
- [NTSB FTW94LA061](https://openairdocs.org/ntsb/FTW94LA061.md): Hughes 369HS · Mason, TX · Accident · Serious injuries · Limited investigation · Final report · Jan 1, 1994 · N7092Q · Destroyed
  > Loss of aircraft control for an undetermined reason.
- [NTSB FTW94FA059](https://openairdocs.org/ntsb/FTW94FA059.md): Cessna 177RG · La Veta, CO · Accident · Serious injuries · Field investigation · Final report · Jan 1, 1994 · N53049 · Destroyed
  > The pilot's improper inflight decision to enter a mountain pass at an inadequate altitude, causing the aircraft's climb performance to be exceeded. Factors were turbulence and downdrafts.
- [NTSB MIA94LA047](https://openairdocs.org/ntsb/MIA94LA047.md): Piper PA-28-161 · Vicksburg, MS · Accident · No injuries · Limited investigation · Final report · Dec 31, 1993 · N5192W · Substantial damage
  > The pilot did not maintain the proper glidepath. Failure of the electrical system and inadequate maintenance by company maintenance personnel were factors in the accident.
- [NTSB MIA94LA042](https://openairdocs.org/ntsb/MIA94LA042.md): Cessna 150F · Lantana, FL · Accident · Minor injuries · Limited investigation · Final report · Dec 31, 1993 · N8532G · Substantial damage
  > The pilot-in-command's failure to obtain emergency assistance after becoming temporarily lost, resulting in total loss of engine power due to fuel exhaustion. Contributing to the accident was the dispatch of the student on the cross-country flight by the CFI…
- [NTSB FTW94FA057](https://openairdocs.org/ntsb/FTW94FA057.md): Cessna 177RG · Van Horn, TX · Accident · 3 fatal · Field investigation · Final report · Dec 29, 1993 · N1527H · Destroyed
  > The pilot exceeded the design stress limits of the aircraft after a loss of control which resulted from VFR flight into instrument meteorological conditions. Factors were the weather, the pilot's lack of instrument training and experience, and his failure to…
- [NTSB LAX94LA083](https://openairdocs.org/ntsb/LAX94LA083.md): Rotorway EXEC-90 · Scottsdale, AZ · Accident · Minor injuries · Limited investigation · Final report · Dec 28, 1993 · N7456T · Destroyed
  > A failure of the pilot-in-command to adequately conduct a preflight inspection and properly secure a fuselage cowling panel that struck a tail rotor blade, resulting in a subsequent failure of the tail rotor drive system. Factors in this accident were an…
- [NTSB ATL94LA034](https://openairdocs.org/ntsb/ATL94LA034.md): Piper PA-28-181 · Greer, SC · Accident · Minor injuries · Limited investigation · Final report · Dec 27, 1993 · N4320X · Substantial damage
  > The pilot's inadequate in-flight planning in determining fuel requirements for the flight.
- [NTSB ATL94LA033](https://openairdocs.org/ntsb/ATL94LA033.md): Piper PA-28-181 · N. Myrtle Beach, SC · Accident · No injuries · Limited investigation · Final report · Dec 27, 1993 · N2205Z · Substantial damage
  > The pilot's improper inflight decision in that he failed to refuel the aircraft prior to exhausting the fuel supply. A factor was the soft terrain at the forced landing site.
- [NTSB NYC94LA043](https://openairdocs.org/ntsb/NYC94LA043.md): Beech A-36-TC · Hillsboro, NH · Accident · No injuries · Limited investigation · Final report · Dec 26, 1993 · N3736F · Substantial damage
  > Loss of engine power for undetermined reasons.
- [NTSB NYC94LA044](https://openairdocs.org/ntsb/NYC94LA044.md): Mooney 20E · Linden, NJ · Accident · No injuries · Limited investigation · Final report · Dec 24, 1993 · N31617 · Substantial damage
  > The pilot's inadequate preflight inspection which failed to detect water-contaminated fuel and resulted in the loss of engine power.
- [NTSB FTW94LA053](https://openairdocs.org/ntsb/FTW94LA053.md): Brantly Helicopter B-2 · Giddings, TX · Accident · No injuries · Limited investigation · Final report · Dec 24, 1993 · N2111U · Substantial damage
  > The pilot's failure to maintain main rotor RPM. The weather conditions and delayed application of carburetor were factors in the accident.
- [NTSB FTW94FA052](https://openairdocs.org/ntsb/FTW94FA052.md): Piper PA-23-160 · Franktown, CO · Accident · Serious injuries · Field investigation · Final report · Dec 22, 1993 · N4382P · Destroyed
  > Was the pilot's disregard of forecast icing conditions and delayed application of carburetor heat, resulting in structural and induction icing. Factors were the icing conditions and unsuitable terrain for a forced landing.
- [NTSB CHI94LA056](https://openairdocs.org/ntsb/CHI94LA056.md): Piper PA-24-250 · Mcintosh, SD · Accident · 1 fatal · Limited investigation · Final report · Dec 22, 1993 · N8003P · Destroyed
  > was continued VFR flight into IMC and the failure to maintain clearance with the terrain. Factors associated with this accident were an inaccurate weather evaluation by the pilot, snow and the rising terrain.
- [NTSB CHI94LA057](https://openairdocs.org/ntsb/CHI94LA057.md): Cessna 182 · Centerville, IA · Accident · Serious injuries · Limited investigation · Final report · Dec 21, 1993 · N4791D · Substantial damage
  > the pilot's failure to refuel the airplane during the flight. Factors related to the accident were the inaccurate fuel consumption calculations for the airplane and the fence.
- [NTSB MIA94IA040](https://openairdocs.org/ntsb/MIA94IA040.md): Israel Aircraft Industries 1124 · Melbourne, FL · Incident · No injuries · Incident investigation · Final report · Dec 19, 1993 · N74JM · Minor damage
  > Was inadequate quality control by the engine manufacturer which resulted in failure of the second stage low pressure turbine disk due to a machining anomaly and reduced fatigue strength due to sub standard heat treat processing.
- [NTSB FTW94LA054](https://openairdocs.org/ntsb/FTW94LA054.md): Boeing A75N1 · Madisonville, TX · Accident · No injuries · Limited investigation · Final report · Dec 19, 1993 · N55133 · Substantial damage
  > The pilot's continued flight into adverse weather. Factors were weather conditions and collision with a sign.
- [NTSB FTW94LA051](https://openairdocs.org/ntsb/FTW94LA051.md): Cessna 182Q · Dalhart, TX · Accident · Serious injuries · Limited investigation · Final report · Dec 18, 1993 · N96591 · Substantial damage
  > The loss of engine power for undetermined reasons. A factor was the lack of suitable terrain for a forced landing.
- [NTSB LAX94LA074](https://openairdocs.org/ntsb/LAX94LA074.md): Piper PA-23-250 · Showlow, AZ · Accident · Minor injuries · Limited investigation · Final report · Dec 17, 1993 · N8769B · Substantial damage
  > the pilot's poorly planned approach, improper emergency procedures, and his failure to feather the propeller. The inoperative fuel selector valve was a factor in this accident.
- [NTSB FTW94LA049](https://openairdocs.org/ntsb/FTW94LA049.md): Bellanca 8KCAB · Westcliffe, CO · Accident · Minor injuries · Limited investigation · Final report · Dec 17, 1993 · N5065G · Substantial damage
  > Was failure of the number two connecting rod bearing. A factor was unsuitable terrain for a forced landing.
- [NTSB SEA94LA041](https://openairdocs.org/ntsb/SEA94LA041.md): Cessna 150J · Tonasket, WA · Accident · No injuries · Limited investigation · Final report · Dec 16, 1993 · N61215 · Substantial damage
  > The pilot's failure to attain a proper touchdown point. Factors include an inadequate preflight, fuel exhaustion, and an icy landing area.
- [NTSB NYC94LA039](https://openairdocs.org/ntsb/NYC94LA039.md): Piper PA-46 · Wilkes-Barre, PA · Accident · No injuries · Limited investigation · Final report · Dec 15, 1993 · N92GP · Destroyed
  > was the loss of engine oil for undetermined reasons and the subsequent engine failure, resulting in a forced landing and collision with trees.
- [NTSB NYC94FA038](https://openairdocs.org/ntsb/NYC94FA038.md): Beech B36TC · Lost Creek, KY · Accident · 2 fatal · Field investigation · Final report · Dec 13, 1993 · N36CK · Destroyed
  > The loss of engine power for undetermined reasons and the failure of the pilot to maintain airspeed which resulted in an inadvertent stall and inflight collision with the terrain. A factor was the lack of suitable terrain for a forced landing.
- [NTSB CHI94LA054](https://openairdocs.org/ntsb/CHI94LA054.md): Piper PA-28R-200 · Lacon, IL · Accident · No injuries · Limited investigation · Final report · Dec 13, 1993 · N66CS · Substantial damage
  > The pilot misjudged the landing flare. Factors related to the accident were: the dark night, the pilot's lack of recent night experience, and the failure of the airplane's electrical system.
- [NTSB FTW94LA048](https://openairdocs.org/ntsb/FTW94LA048.md): Aero Commander 100-180 · El Paso, TX · Accident · No injuries · Limited investigation · Final report · Dec 12, 1993 · N3718X · Substantial damage
  > The pilot's inadvertent flight into clear air turbulence.
- [NTSB CHI94LA051](https://openairdocs.org/ntsb/CHI94LA051.md): Cessna 152 · Jackson, MO · Accident · No injuries · Limited investigation · Final report · Dec 12, 1993 · N757FH · Substantial damage
  > the failure of the pilot to refuel prior to fuel exhaustion.
- [NTSB LAX94LA075](https://openairdocs.org/ntsb/LAX94LA075.md): Bell 206B-III · Flagstaff, AZ · Accident · No injuries · Limited investigation · Final report · Dec 11, 1993 · N2773R · Substantial damage
  > The pilot's improper initiation of an emergency autorotation into unsuitable terrain and subsequent hard landing and rollover. A false annunciator indication, a failure of the N1 tach generator, the pilot's continued flight with a known aircraft defect, and…
- [NTSB CHI94LA049](https://openairdocs.org/ntsb/CHI94LA049.md): Cessna 152 · C0rnell, IL · Accident · No injuries · Limited investigation · Final report · Dec 11, 1993 · N6124P · Substantial damage
  > the pilot-in-command's misjudgment of fuel supply. A factor was fuel exhaustion.
- [NTSB ATL94FA030](https://openairdocs.org/ntsb/ATL94FA030.md): Beech M35 · Chapel Hill, NC · Accident · 3 fatal · Field investigation · Final report · Dec 11, 1993 · N9864R · Destroyed
  > The improper engine overhaul by maintenance personnel. A factor in the accident was the failure of the engine crankshaft.

Next page: https://openairdocs.org/ntsb-phases/400/cases.md?page=236

## 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=235

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