# 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 241 of 718 · 35,885 cases

## Cases, newest first

- [NTSB DEN93LA072](https://openairdocs.org/ntsb/DEN93LA072.md): Cessna 150M · Haswell, CO · Accident · No injuries · Limited investigation · Final report · Jul 1, 1993 · N704QR · Substantial damage
  > Failure of the student pilot to maintain control of the aircraft during landing roll. Factors were: alternator failure, failure of the student pilot to follow procedures and directives, and failure of the student pilot to perform fuel consumption calculations.
- [NTSB BFO93FA129](https://openairdocs.org/ntsb/BFO93FA129.md): Piper PA-28-180 · California, MD · Accident · 1 fatal · Field investigation · Final report · Jul 1, 1993 · N5291L · Destroyed
  > The pilot initiating VFR flight in instrument meteorological conditions. Factors which contributed to the accident were: the pilot's failure to obtain a weather briefing, his lack of sleep, and the existing weather conditions.
- [NTSB ATL93FA120](https://openairdocs.org/ntsb/ATL93FA120.md): Piper PA-28-140 · Clayton, AL · Accident · 1 fatal · Field investigation · Final report · Jul 1, 1993 · N5473S · Substantial damage
  > Inadequate maintenance and inspection of the carburetor by maintenance personnel.
- [NTSB FTW93LA201](https://openairdocs.org/ntsb/FTW93LA201.md): Mooney M20J · Spring, TX · Accident · Minor injuries · Limited investigation · Final report · Jun 30, 1993 · N3740H · Substantial damage
  > The pilot's improperly planned approach and the resultant overshoot of the intended landing area. Factors were the partial power loss due to internal corrosion, and the inadvertent stall.
- [NTSB ATL93LA119](https://openairdocs.org/ntsb/ATL93LA119.md): Waco ATO · Alma, GA · Accident · Minor injuries · Limited investigation · Final report · Jun 30, 1993 · N13918 · Substantial damage
  > The failure of the aircraft engine master rod bearing.
- [NTSB FTW93LA198](https://openairdocs.org/ntsb/FTW93LA198.md): Cessna 172G · Fort Worth, TX · Accident · No injuries · Limited investigation · Final report · Jun 29, 1993 · N3987L · Substantial damage
  > The power loss for undetermined reasons. Factors were the lack of suitable terrain for the forced landing and the inadvertent stall.
- [NTSB NYC93LA128](https://openairdocs.org/ntsb/NYC93LA128.md): Enstrom F-28A · Ironton, OH · Accident · No injuries · Limited investigation · Final report · Jun 27, 1993 · N9555 · Substantial damage
  > The loss of engine power for undetermined reasons. The lack of suitable terrain for the forced landing was a factor.
- [NTSB LAX93LA268](https://openairdocs.org/ntsb/LAX93LA268.md): Cessna 172 · Danville, CA · Accident · Minor injuries · Limited investigation · Final report · Jun 27, 1993 · N2791U · Substantial damage
  > The pilot's poor fuel consumption calculations. Contributing to this accident was the downsloping terrain.
- [NTSB LAX93LA267](https://openairdocs.org/ntsb/LAX93LA267.md): Ryan ST-A · Fresno, CA · Accident · No injuries · Limited investigation · Final report · Jun 26, 1993 · N14987 · Substantial damage
  > The pilot's failure to maintain directional control. Contributing to this accident was the partial loss of power for undetermined reasons, the high runway vegetation, and the left quartering tailwind.
- [NTSB CHI93LA226](https://openairdocs.org/ntsb/CHI93LA226.md): Cessna 172C · West Chicago, IL · Accident · Minor injuries · Limited investigation · Final report · Jun 26, 1993 · N1441Y · Substantial damage
  > the pilot's improper use of carburetor heat. Conditions conducive to the formation of carburetor ice was a factor.
- [NTSB DEN93LA069](https://openairdocs.org/ntsb/DEN93LA069.md): Irving Siewert Osprey GP-4 · Canon City, CO · Accident · 1 fatal · Limited investigation · Final report · Jun 25, 1993 · N85Z · Destroyed
  > Failure by the pilot/builder to follow construction specifications and the use of improper materials during construction of the aircraft.
- [NTSB ATL93LA116](https://openairdocs.org/ntsb/ATL93LA116.md): Grumman G164A · Brundidge, AL · Accident · No injuries · Limited investigation · Final report · Jun 25, 1993 · N48584 · Substantial damage
  > The broken carburetor accelerator pump piston rivet which lodged under the needle valve, allowed the float chamber to flood with fuel, and the engine to quit. The lack of suitable terrain for a forced landing was a factor.
- [NTSB CHI93LA224](https://openairdocs.org/ntsb/CHI93LA224.md): Boeing 757-222 · Baraboo, WI · Accident · Serious injuries · Limited investigation · Final report · Jun 24, 1993 · N579UA · No damage
  > an encounter with moderate turbulence in the clouds.
- [NTSB ATL93LA115](https://openairdocs.org/ntsb/ATL93LA115.md): Cessna 172 · Statesville, NC · Accident · No injuries · Limited investigation · Final report · Jun 24, 1993 · N7817X · Substantial damage
  > The improper use of carburetor heat by the pilot. A factor in the accident was the carburetor icing conditions.
- [NTSB ANC93LA101](https://openairdocs.org/ntsb/ANC93LA101.md): Grumman American AA5A · Comet Mine, AK · Accident · No injuries · Limited investigation · Final report · Jun 24, 1993 · N9765U · Substantial damage
  > Loss of engine power for undetermined reasons. A factor in the accident was the unsuitable terrain on which an emergency landing could be made successfully.
- [NTSB CHI93LA219](https://openairdocs.org/ntsb/CHI93LA219.md): Beech B19 · Victoria, MN · Accident · No injuries · Limited investigation · Final report · Jun 23, 1993 · N2157W · Substantial damage
  > The loss of engine power due to a jammed carburetor float and the inability of the pilot to maintain clearance during the emergency landing.
- [NTSB LAX93LA264](https://openairdocs.org/ntsb/LAX93LA264.md): Piper PA-38-112 · Camarillo, CA · Accident · No injuries · Limited investigation · Final report · Jun 21, 1993 · N9539T · Substantial damage
  > Fuel exhaustion due to the inadequate preflight fuel consumption planning, the inadequate en route fuel consumption calculations, and the failure of the pilot to stop en route for fuel.
- [NTSB LAX93LA263](https://openairdocs.org/ntsb/LAX93LA263.md): Sill/Thomas Long EZ · Lone Pine, CA · Accident · Minor injuries · Limited investigation · Final report · Jun 20, 1993 · N977ST · Substantial damage
  > the failure of the number four cylinder exhaust valve due to excessive heat exposure and lack of maintenance.
- [NTSB CHI93LA217](https://openairdocs.org/ntsb/CHI93LA217.md): Cessna P210 · Pulaski, IL · Accident · No injuries · Limited investigation · Final report · Jun 20, 1993 · N4813P · Substantial damage
  > the pilot's improper fuel tank selection resulting in fuel starvation. A factor in the accident is the soft emergency landing surface.
- [NTSB CHI93LA215](https://openairdocs.org/ntsb/CHI93LA215.md): Cessna 150J · Wilton, ND · Accident · No injuries · Limited investigation · Final report · Jun 20, 1993 · N60454 · Substantial damage
  > Failure of the engine-driven fuel pump. A factor was the pilot's failure to select the auxiliary fuel pump.
- [NTSB NYC93LA120](https://openairdocs.org/ntsb/NYC93LA120.md): Beech 35 · Palmer, MA · Accident · Minor injuries · Limited investigation · Final report · Jun 19, 1993 · N8664Q · Substantial damage
  > The loss of engine power for undetermined reasons. A factor was lack of suitable terrain for the forced landing.
- [NTSB CHI93LA216](https://openairdocs.org/ntsb/CHI93LA216.md): Grumman AA-5A · Malden, MO · Accident · No injuries · Limited investigation · Final report · Jun 19, 1993 · N9941U · Substantial damage
  > A broken mixture control cable resulting in fuel starvation.
- [NTSB ANC93LA100](https://openairdocs.org/ntsb/ANC93LA100.md): Cessna 180 · Merrill Pass, AK · Accident · No injuries · Limited investigation · Final report · Jun 19, 1993 · N7627A · Substantial damage
  > The pilot-in-command's inadequate fuel calculations.
- [NTSB NYC93LA117](https://openairdocs.org/ntsb/NYC93LA117.md): Cessna 182Q · Holbrook, NY · Accident · Minor injuries · Limited investigation · Final report · Jun 18, 1993 · N735CA · Destroyed
  > The engine failure as the result of a fractured crankshaft due to metal fatigue.
- [NTSB ANC93LA096](https://openairdocs.org/ntsb/ANC93LA096.md): Piper PA-32-300 · Juneau, AK · Accident · Minor injuries · Limited investigation · Final report · Jun 18, 1993 · N30505 · Substantial damage
  > The pilot continuing VFR flight into instrument meteorological conditions. Factors which contributed to the accident were: the mountainous terrain, the cloudy weather conditions in the pass, the pilot becoming disoriented, his lack of familiarity with the…
- [NTSB NYC93FA115](https://openairdocs.org/ntsb/NYC93FA115.md): Enstrom F28C · Gordon, KY · Accident · 1 fatal · Field investigation · Final report · Jun 17, 1993 · N200NH · Destroyed
  > The pilot's failure to see and avoid the wire.
- [NTSB FTW93LA191](https://openairdocs.org/ntsb/FTW93LA191.md): Cessna 150L · Navasota, TX · Accident · Minor injuries · Limited investigation · Final report · Jun 16, 1993 · N11069 · Substantial damage
  > Partial power loss due to left magneto fluctuating due to loose coil. A factor was the lack of suitable terrain for the forced landing
- [NTSB MIA93LA143](https://openairdocs.org/ntsb/MIA93LA143.md): Hughes 369HS · Orlando, FL · Accident · Minor injuries · Limited investigation · Final report · Jun 15, 1993 · N500RT · Substantial damage
  > Unsuitable terrain encountered during the autorotative forced landing. Contributing to the accident was total loss of engine power due to seizure of the compressor impeller following failure of the no.2 bearing for undetermined reasons.
- [NTSB ATL93IA111](https://openairdocs.org/ntsb/ATL93IA111.md): Sikorsky S-76A · Cullman, AL · Incident · No injuries · Incident investigation · Final report · Jun 15, 1993 · N110AL · No damage
  > The failure of company maintenance personnel to properly inspect the tail rotor control cable at the last 750 hour inspection, and the subsequent total failure of the cable due to wear.
- [NTSB NYC93IA113](https://openairdocs.org/ntsb/NYC93IA113.md): Short Brothers SD3-60-200 · Atlantic City, NJ · Incident · No injuries · Incident investigation · Final report · Jun 14, 1993 · N711HJ · No damage
  > A malfunction of the cargo fire warning system which resulted in a false alarm.
- [NTSB CHI93LA212](https://openairdocs.org/ntsb/CHI93LA212.md): Enstrom F-28C · Buckner, MO · Accident · Serious injuries · Limited investigation · Final report · Jun 14, 1993 · N51717 · Substantial damage
  > The nut backing off the connecting rod bolt resulting in rod failure. A factor involved in this accident was the lack of suitable terrain for the pilot in command to make a run on landing.
- [NTSB SEA93LA129](https://openairdocs.org/ntsb/SEA93LA129.md): Cessna T210K · Forest Grove, OR · Accident · Minor injuries · Limited investigation · Final report · Jun 13, 1993 · N8120G · Substantial damage
  > Loss of engine power due to fuel exhaustion, resulting from inadequate preflight planning/preparation by the PIC.
- [NTSB LAX93LA247](https://openairdocs.org/ntsb/LAX93LA247.md): Tucker Thorp T18C · So. Lake Tahoe, CA · Accident · 2 fatal · Limited investigation · Final report · Jun 13, 1993 · N794PT · Destroyed
  > A total loss of engine power for undetermined reasons, and the failure of the pilot to maintain control of the aircraft while maneuvering at a low altitude.
- [NTSB FTW93LA188](https://openairdocs.org/ntsb/FTW93LA188.md): Reims Cessna FA 150K · Willis, TX · Accident · No injuries · Limited investigation · Final report · Jun 13, 1993 · N922SZ · Substantial damage
  > Loss of partial engine power due to stuck exhaust valve and exhaust and intake valve binding with carbon buildup. A factor was the lack of suitable terrain
- [NTSB ANC93IA093](https://openairdocs.org/ntsb/ANC93IA093.md): Cessna 206 · Portage, AK · Incident · No injuries · Incident investigation · Final report · Jun 13, 1993 · N4672U · Minor damage
  > The failure of the number two cylinder connecting rod bearing due to the shifting of the bearing within its journal race which produced an oil starvation/thermal distress event.
- [NTSB LAX93LA254](https://openairdocs.org/ntsb/LAX93LA254.md): Cessna 150L · Yucaipa, CA · Accident · No injuries · Limited investigation · Final report · Jun 12, 1993 · N19507 · Substantial damage
  > the flight instructor's selection of unsuitable terrain for the forced landing demonstration. A factor in the accident was the high density altitude existing at the time of the mishap.
- [NTSB DEN93LA068](https://openairdocs.org/ntsb/DEN93LA068.md): Cessna 172N · Livermore, CO · Accident · No injuries · Limited investigation · Final report · Jun 11, 1993 · N4829E · Substantial damage
  > A partial power loss when the rocker box for one cylinder disengaged. A factor was: unsuitable terrain for a forced landing.
- [NTSB FTW93FA185](https://openairdocs.org/ntsb/FTW93FA185.md): Convair 440 · Greenville, TX · Accident · No injuries · Field investigation · Final report · Jun 9, 1993 · N580HH · Substantial damage
  > The pilot-in-command's failure to follow the published emergency procedures. Factors were engine fire warning system activating for undetermined reasons, and the resultant ac power loss when that engine was secured. The lack of recent expereince in type…
- [NTSB CHI93FA200](https://openairdocs.org/ntsb/CHI93FA200.md): Beech A-36 · Tony, WI · Accident · 2 fatal · Field investigation · Final report · Jun 9, 1993 · N236A · Destroyed
  > the pilot's decision to continue flight into known adverse weather and exceeded the design strees limits of the airplane. Factors associated with the accident were inadequate preflight planning/preparation, clouds, turbulence, icing conditions, and the lack…
- [NTSB LAX93IA245](https://openairdocs.org/ntsb/LAX93IA245.md): Boeing 757-222 · Los Angeles, CA · Incident · No injuries · Incident investigation · Final report · Jun 8, 1993 · N540UA · Minor damage
  > the inadvertent deployment of an overwing emergency excape slide due to the inadequate latching of the slide compartment door following access by maintenance personnel. A factor in the accident was the inadequate door closing procedure specified by the…
- [NTSB NYC93LA104](https://openairdocs.org/ntsb/NYC93LA104.md): Cessna 150J · West Caldwell, NJ · Accident · No injuries · Limited investigation · Final report · Jun 7, 1993 · N60186 · Substantial damage
  > The complete loss of engine power as a result of carburetor icing, the subsequent forced landing and impact with the terrain.
- [NTSB LAX93LA244](https://openairdocs.org/ntsb/LAX93LA244.md): Beech K-35 · Eureka, NV · Accident · 1 fatal · Limited investigation · Final report · Jun 6, 1993 · N672T · Destroyed
  > The pilot disregarding the advice that visual flight rules were not recommended; the pilot's inadequate weather evaluation along his route of flight; the pilot attempting flight into known adverse weather conditions; the pilot's loss of aircraft control due…
- [NTSB LAX93FA242](https://openairdocs.org/ntsb/LAX93FA242.md): Piper PA-23-150 · Diablo, CA · Accident · 2 fatal · Field investigation · Final report · Jun 6, 1993 · N522T · Destroyed
  > The pilot in command's continued flight into instrument meteorological conditions, and the improper in flight planning and decision making by the pilot.
- [NTSB CHI93LA197](https://openairdocs.org/ntsb/CHI93LA197.md): Cessna 210L · Indianola, IA · Accident · No injuries · Limited investigation · Final report · Jun 6, 1993 · N2267S · Substantial damage
  > A fatigue fracture of the crankshaft.
- [NTSB ATL93LA105](https://openairdocs.org/ntsb/ATL93LA105.md): Cessna 172D · Ridgeland, SC · Accident · Serious injuries · Limited investigation · Final report · Jun 6, 1993 · N50000 · Substantial damage
  > The pilot's improper use of carburetor heat, which resulted in a partial loss of engine power. Factors were the carburetor icing conditions, and the soft terrain at the forced landing site.
- [NTSB CHI93DEE01](https://openairdocs.org/ntsb/CHI93DEE01.md): Mark Streitz Skybolt · Joliet, IL · Accident · No injuries · Final report · Jun 5, 1993 · N94MS · Substantial damage
  > the failure of the number two connecting rod bolt.
- [NTSB NYC93LA099](https://openairdocs.org/ntsb/NYC93LA099.md): Bellanca 17-31 · Leesport, PA · Accident · Serious injuries · Limited investigation · Final report · Jun 4, 1993 · N73SM · Destroyed
  > The loss of engine power for undetermined reasons, which resulted in forced landing and collision with trees.
- [NTSB LAX93FA246](https://openairdocs.org/ntsb/LAX93FA246.md): Beech S35 · Lovelock, NV · Accident · 4 fatal · Field investigation · Final report · Jun 4, 1993 · N5865J · Destroyed
  > The pilot's continuation of VFR flight into instrument meteorological conditions. Factors which contributed to the accident were: the adverse weather conditions and mountainous terrain.
- [NTSB FTW93FA176](https://openairdocs.org/ntsb/FTW93FA176.md): Piper PA-36-285 · Texhoma, TX · Accident · 1 fatal · Field investigation · Final report · Jun 4, 1993 · N57592 · Destroyed
  > The pilot's flight into known adverse weather conditions. Factors were the weather, the dark night, the airplane's lack of flight and navigational equipment, and the pilot's lack of instrument training and experience.
- [NTSB CHI93LA192](https://openairdocs.org/ntsb/CHI93LA192.md): Aerospatiale ATR-72-212 · Chicago, IL · Accident · Serious injuries · Limited investigation · Final report · Jun 4, 1993 · N345AT · No damage
  > The pilot in command's improper in-flight planning/decision.

Next page: https://openairdocs.org/ntsb-phases/400/cases.md?page=242

## 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=241

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