# 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 239 of 718 · 35,885 cases

## Cases, newest first

- [NTSB SEA93FA179](https://openairdocs.org/ntsb/SEA93FA179.md): Cessna 172N · Lake Fork, ID · Accident · 1 fatal · Field investigation · Final report · Aug 21, 1993 · N75644 · Destroyed
  > Poor judgment of the pilot by flying while under the influence of alcohol and a drug, his continued flight into an area of adverse weather, and his failure to maintain adequate clearance (or altitude) from mountainous terrain. Factors related to the accident…
- [NTSB CHI93DEP04](https://openairdocs.org/ntsb/CHI93DEP04.md): Jordi, Ronald H. Challenger II · Plymouth, WI · Accident · No injuries · Final report · Aug 21, 1993 · N771RH · Substantial damage
  > the loss of engine power for undetermined reason(s).
- [NTSB ATL93LA146](https://openairdocs.org/ntsb/ATL93LA146.md): Cessna 150H · Monroe, NC · Accident · No injuries · Limited investigation · Final report · Aug 21, 1993 · N6933S · Substantial damage
  > Was the pilot's failure to determine actual fuel consumption enroute. A factor was inadequate supervision by the instructor pilot.
- [NTSB ATL93LA145](https://openairdocs.org/ntsb/ATL93LA145.md): Bellanca 17-30A · Hilton Head Is, SC · Accident · Minor injuries · Limited investigation · Final report · Aug 21, 1993 · N104CB · Substantial damage
  > A loss of engine power for undetermined reasons.
- [NTSB NYC93LA164](https://openairdocs.org/ntsb/NYC93LA164.md): Grumman American AA-5B · Westerly, RI · Accident · Serious injuries · Limited investigation · Final report · Aug 20, 1993 · N1547R · Destroyed
  > The loss of engine power for undetermined reasons, and the subsequent forced landing and collision with soft terrain.
- [NTSB NYC93LA163](https://openairdocs.org/ntsb/NYC93LA163.md): Cessna 172 · Hope Valley, RI · Accident · No injuries · Limited investigation · Final report · Aug 19, 1993 · N9845J · Substantial damage
  > The engine failure as the result of ingestion of pieces of carburetor into the cylinders, and the subsequent forced landing and nose over during the landing roll after encountering soft terrain.
- [NTSB LAX93LA330](https://openairdocs.org/ntsb/LAX93LA330.md): Piper PA-28-180 · Showlow, AZ · Accident · No injuries · Limited investigation · Final report · Aug 19, 1993 · N9533J · Substantial damage
  > A total loss of engine power due to a separation of the mixture control balljoint assembly at the carburetor mixture arm and subsequent forced landing.
- [NTSB LAX93LA329](https://openairdocs.org/ntsb/LAX93LA329.md): Piper PA-34-220 · Pacific Ocean (Pacific Ocean) · Accident · No injuries · Limited investigation · Final report · Aug 19, 1993 · N1232H · Destroyed
  > The loss of oil pressure to both engines for undetermined reasons.
- [NTSB ANC93FA152](https://openairdocs.org/ntsb/ANC93FA152.md): De Havilland DHC-3 · Nikabuna Lake, AK · Accident · Minor injuries · Field investigation · Final report · Aug 19, 1993 · N321KA · Destroyed
  > Fluid, fuel starvation as a result of the pilot-in-command's improper in-flight planning/decision. A factor in the accident was the operator's inadequate flight time and fuel upload record keeping.
- [NTSB SEA93FA178](https://openairdocs.org/ntsb/SEA93FA178.md): Enstrom F-28C · Seattle, WA · Accident · No injuries · Field investigation · Final report · Aug 18, 1993 · N86198 · Substantial damage
  > Shorted magneto condensers. Factors include a hidden obstruction in the landing area, and a reduction in rotor RPM from attempting to avoid the obstruction.
- [NTSB LAX93LA327](https://openairdocs.org/ntsb/LAX93LA327.md): Air Tractor AT-301 · Dos Palos, CA · Accident · No injuries · Limited investigation · Final report · Aug 18, 1993 · N2330V · Substantial damage
  > The failure of the master rod which resulted in a complete loss of engine power and subsequent forced landing. The irrigation ditch was a factor in this accident.
- [NTSB FTW93IA242](https://openairdocs.org/ntsb/FTW93IA242.md): Canadair CL-600-2B16 · San Antonio, TX · Incident · No injuries · Incident investigation · Final report · Aug 17, 1993 · N392PT · No damage
  > The fracture of the rudder quadrant due to stress corrosion. A factor was the manufacturer's improper selection of material.
- [NTSB MIA93LA175](https://openairdocs.org/ntsb/MIA93LA175.md): Rotec Engineering Rotec Rally 3 · Jay, FL · Accident · Serious injuries · Limited investigation · Final report · Aug 16, 1993 · N145RE · Substantial damage
  > Failure of the pilot in command to maintain airspeed (vs), inadvertent stall/mush by the pilot in command, and altitude insufficient for recovery. Contributing to the accident was lack of total experience by the pilot in command and in flight encounter with…
- [NTSB FTW93LA240](https://openairdocs.org/ntsb/FTW93LA240.md): Cessna 177B · Houston, TX · Accident · No injuries · Limited investigation · Final report · Aug 16, 1993 · N34689 · Substantial damage
  > Engine power loss due to fuel exhaustion for undetermined reasons. Factors were the pilot's failure to monitor and recalculate fuel consumption en route and the lack of suitable terrain onto which the forced landing could have been executed.
- [NTSB ANC93LA150](https://openairdocs.org/ntsb/ANC93LA150.md): Aeronca 11AC · Galena, AK · Accident · No injuries · Limited investigation · Final report · Aug 16, 1993 · N86361 · Substantial damage
  > The loss of engine power for undetermined reasons. A factor was the lack of suitable terrain on which to make a forced landing.
- [NTSB NYC93LA156](https://openairdocs.org/ntsb/NYC93LA156.md): Cessna 177A · Lawrence, MA · Accident · Minor injuries · Limited investigation · Final report · Aug 15, 1993 · N30393 · Substantial damage
  > The improper installation of the battery box cover by maintenance personnel.
- [NTSB NYC93LA155](https://openairdocs.org/ntsb/NYC93LA155.md): Cessna 150G · Lyndonville, VT · Accident · Serious injuries · Limited investigation · Final report · Aug 15, 1993 · N2807S · Substantial damage
  > An inadvertent stall of the airplane as a result of the pilot's failure to maintain adequate airspeed and improper use of the carburetor heat and flaps during takeoff which degraded aircraft performance.
- [NTSB LAX93LA323](https://openairdocs.org/ntsb/LAX93LA323.md): Hughes 369D · Chico, CA · Accident · Minor injuries · Limited investigation · Final report · Aug 15, 1993 · N8606F · Substantial damage
  > the observer's failure to properly secure stowed items in the rear compartment prior to takeoff and the resultant foreign object damage to the tail rotor system which precluded the pilot from maintaining directional control.
- [NTSB ANC93LA147](https://openairdocs.org/ntsb/ANC93LA147.md): Cessna 185 · Point Barrow, AK · Accident · No injuries · Limited investigation · Final report · Aug 14, 1993 · N20752 · Substantial damage
  > Fuel exhaustion as a result of the pilot in command's not refueling. A factor in the accident was the operator/management inadequate flight following and operational control over the flight.
- [NTSB ANC93LA146](https://openairdocs.org/ntsb/ANC93LA146.md): Piper PA-31-350 · Nome, AK · Accident · No injuries · Limited investigation · Final report · Aug 14, 1993 · N6SF · Destroyed
  > Fuel exhaustion due to the pilot in commands improper preflight planning/preparation.
- [NTSB LAX93FA318](https://openairdocs.org/ntsb/LAX93FA318.md): Robinson R-22 Beta · Honolulu, HI · Accident · 2 fatal · Field investigation · Final report · Aug 11, 1993 · N4017J · Destroyed
  > A divergence of the main rotor from its normal plane of rotation for an undetermined reason(s) which resulted in rotor contact with the airframe.
- [NTSB FTW93LA236](https://openairdocs.org/ntsb/FTW93LA236.md): Beech F35 · Mena, AR · Accident · No injuries · Limited investigation · Final report · Aug 11, 1993 · N5064B · Substantial damage
  > The inflight separation of the ruddervator as result of improper balancing.
- [NTSB LAX93LA317](https://openairdocs.org/ntsb/LAX93LA317.md): Cessna 150 · Julian, CA · Accident · Serious injuries · Limited investigation · Final report · Aug 10, 1993 · N45552 · Destroyed
  > The pilot's poor inflight decision in selecting an altitude insufficient to ensure adequate terrain clearance.
- [NTSB CHI93LA315](https://openairdocs.org/ntsb/CHI93LA315.md): Cessna 152 · Montgomery, IL · Accident · No injuries · Limited investigation · Final report · Aug 10, 1993 · N102CF · Substantial damage
  > The pilot became disoriented resulting in loss of engine power due to fuel exhaustion. The dark night light condition was a factor.
- [NTSB FTW93LA234](https://openairdocs.org/ntsb/FTW93LA234.md): Cessna 177B · Grand Prairie, TX · Accident · No injuries · Limited investigation · Final report · Aug 9, 1993 · N34293 · Substantial damage
  > Loss of engine power due to fuel starvation as a result of a leaking fuel line. The fuel line was not the correct part as a result of a misidentification by Cessna.
- [NTSB FTW93FA235](https://openairdocs.org/ntsb/FTW93FA235.md): Mooney M20C · Big Lake, TX · Accident · 1 fatal · Field investigation · Final report · Aug 9, 1993 · N5672Q · Destroyed
  > The pilot's failure to maintain terrain clearance.
- [NTSB DEN93FA101](https://openairdocs.org/ntsb/DEN93FA101.md): Thunder and Colt 240A · Woody Creek, CO · Accident · Serious injuries · Field investigation · Final report · Aug 8, 1993 · N748TC · Substantial damage
  > An inflight encounter with high winds which required a precautionary landing.
- [NTSB DEN93FA100](https://openairdocs.org/ntsb/DEN93FA100.md): Cameron N-145 · Woody Creek, CO · Accident · 6 fatal · Field investigation · Final report · Aug 8, 1993 · N4141D · Substantial damage
  > Failure by the pilot in command to maintain proper altitude and visual lookout. A factor was high wind.
- [NTSB SEA93LA174](https://openairdocs.org/ntsb/SEA93LA174.md): Brauch Glasair · Blanding, UT · Accident · 2 fatal · Limited investigation · Final report · Aug 7, 1993 · N365WB · Destroyed
  > The loss of engine power resulting from inadequate maintenance inspection by the pilot, a leak from loose fuel system line fittings, and fuel exhaustion. A factor relating to the accident was the rough/uneven terrain.
- [NTSB NYC93FA145](https://openairdocs.org/ntsb/NYC93FA145.md): Curtiss-Wright Travel AIR 4000 · Marlboro, NJ · Accident · 2 fatal · Field investigation · Final report · Aug 7, 1993 · NC365M · Destroyed
  > The loss of engine power for undetermined reasons, and the pilot's failure to maintain adequate airspeed, which resulted in an inadvertent stall and inflight collision with the terrain.
- [NTSB ATL93LA142](https://openairdocs.org/ntsb/ATL93LA142.md): WM. D. Butterill Mustang M1 · Wadesboro, NC · Accident · 1 fatal · Limited investigation · Final report · Aug 7, 1993 · CFYSJ · Substantial damage
  > The pilot's intentional flight into IMC without the proper instrumentation, which resulted in the pilot's loss of aircraft control, and in flight breakup of the airplane.
- [NTSB DEN93FA099](https://openairdocs.org/ntsb/DEN93FA099.md): Piper PA-32-300 · Delight, AR · Accident · 6 fatal · Field investigation · Final report · Aug 6, 1993 · N479KC · Destroyed
  > The failure of the vacuum pump, and an inoperative turn coordinator. Factors which contributed to the accident were: the pilot's loss of control of the airplane as a result of spatial disorientation, the pilot exceeding the design stress limits of the…
- [NTSB CHI93LA313](https://openairdocs.org/ntsb/CHI93LA313.md): Cessna 150M · Blue Rapids, KS · Accident · No injuries · Limited investigation · Final report · Aug 6, 1993 · N714LZ · Substantial damage
  > the loss of engine power for an undetermined reason.
- [NTSB MIA93LA171](https://openairdocs.org/ntsb/MIA93LA171.md): Piper PA-18-150 · Cape Canaveral, FL · Accident · Minor injuries · Limited investigation · Final report · Aug 5, 1993 · N7540 · Substantial damage
  > Loss of engine power for an undetermined reason.
- [NTSB CHI93DEE04](https://openairdocs.org/ntsb/CHI93DEE04.md): Darst KR-1 · Oregon, IL · Accident · 1 fatal · Final report · Aug 5, 1993 · N585D · Destroyed
  > the partial separation of the elevator control cable.
- [NTSB FTW93LA228](https://openairdocs.org/ntsb/FTW93LA228.md): Bell 206B · Pearland, TX · Accident · No injuries · Limited investigation · Final report · Aug 4, 1993 · N16814 · Substantial damage
  > Pilot's failure to maintain proper rotor RPM, the delayed flare, and improper touchdown. Factors were total failure of the power turbine due to oil starvation to the #8 bearing assembly.
- [NTSB CHI93DEP03](https://openairdocs.org/ntsb/CHI93DEP03.md): Kit Fox IV · Green Bay, WI · Accident · No injuries · Final report · Aug 4, 1993 · N127RF · Substantial damage
  > the improper modification of the fuel system by the pilot-in-command. A factor was bockage of the fuel system screen.
- [NTSB ANC93FA134](https://openairdocs.org/ntsb/ANC93FA134.md): Piper PA-32R-300 · Atigun Pass, AK · Accident · 1 fatal · Field investigation · Final report · Aug 4, 1993 · N477JC · Destroyed
  > The pilot-in-command's intentional VFR flight into instrument meteorological conditions and his unfamiliarity with the geographical area. Factors were the rain and fog.
- [NTSB NYC93LA141](https://openairdocs.org/ntsb/NYC93LA141.md): Gera Nieuport II · Somerville, NJ · Accident · Minor injuries · Limited investigation · Final report · Aug 3, 1993 · N44030 · Substantial damage
  > The loss of engine power for undetermined reasons.
- [NTSB NYC93FA140](https://openairdocs.org/ntsb/NYC93FA140.md): Piper PA-28-181 · Provincetown, MA · Accident · 2 fatal · Field investigation · Final report · Aug 3, 1993 · N2093A · Destroyed
  > The pilot initiating VFR flight into instrument meteorological conditions resulting in spatial disorientation and loss of aircraft control. During his attempt to regain control of the aircraft the pilot exceeded the design stress limits resulting in wing…
- [NTSB FTW93LA226](https://openairdocs.org/ntsb/FTW93LA226.md): Sukane KR-2 · Clines Corners, NM · Accident · Serious injuries · Limited investigation · Final report · Aug 3, 1993 · N88PS · Destroyed
  > The pilot's inadvertent VFR flight into IMC and failure to maintain proper altitude. Factors were fog, rain, and the pilot's failure to obtain a weather brief.
- [NTSB DEN93LA096](https://openairdocs.org/ntsb/DEN93LA096.md): Cessna 152 · Timpson, TX · Accident · Minor injuries · Limited investigation · Final report · Aug 3, 1993 · N4816B · Substantial damage
  > The pilot in command's failure to refuel resulting in fuel exhustion. Factors were: the lack of suitable terrain for the forced landing, and dark night light conditions.
- [NTSB DEN93FA097](https://openairdocs.org/ntsb/DEN93FA097.md): Cessna 172M · Clines Corners, NM · Accident · 1 fatal · Field investigation · Final report · Aug 3, 1993 · N23459 · Destroyed
  > The pilot's failure to maintain a safe and proper altitude. Factors were the pilot's failure to obtain a preflight weather briefing, dark night condition, and weather conditions that included obscuration, fog, and drizzle.
- [NTSB ATL93LA139](https://openairdocs.org/ntsb/ATL93LA139.md): Piper PA-24-180 · Moncks Corner, SC · Accident · No injuries · Limited investigation · Final report · Aug 2, 1993 · N7027P · Substantial damage
  > Failure of the number one cylinder at the cylinder flange radius.
- [NTSB FTW93LA224](https://openairdocs.org/ntsb/FTW93LA224.md): Cessna 150M · Bald Knob, AR · Accident · No injuries · Limited investigation · Final report · Aug 1, 1993 · N66081 · Substantial damage
  > Fuel exhaustion due to the pilot's failure to refuel. A factor was the lack of suitable terrain for the forced landing.
- [NTSB LAX93LA312](https://openairdocs.org/ntsb/LAX93LA312.md): Piper PA-28-181 · Fresno, CA · Accident · No injuries · Limited investigation · Final report · Jul 31, 1993 · N3053N · Substantial damage
  > The pilot's inadequate flare and his improper recovery from the resulting bounced landing. Factors related to this accident were the alternator failure and the night condition.
- [NTSB LAX93LA310](https://openairdocs.org/ntsb/LAX93LA310.md): Nall Varieze · Newark, CA · Accident · Minor injuries · Limited investigation · Final report · Jul 31, 1993 · N75PD · Destroyed
  > Improper annual inspection performed by other maintenance personnel. Factors relating to this accident were the loose exhaust bolts.
- [NTSB DEN93LA092](https://openairdocs.org/ntsb/DEN93LA092.md): Cessna A150M · Galveston, TX · Accident · Minor injuries · Limited investigation · Final report · Jul 31, 1993 · N8161V · Substantial damage
  > The disconnection of the throttle linkage and the resultant power loss. A factor was the lack of suitable terrain for the forced landing.
- [NTSB CHI93LA295](https://openairdocs.org/ntsb/CHI93LA295.md): Gardner SEA RAY · Oshkosh, WI · Accident · Minor injuries · Limited investigation · Final report · Jul 31, 1993 · N703SR · Substantial damage
  > The pilot in command's not maintaining proper climb rate. A factor was the abrupt control interference by the passenger.
- [NTSB CHI93LA300](https://openairdocs.org/ntsb/CHI93LA300.md): Champion 7FC · Ortonville, MN · Accident · Minor injuries · Limited investigation · Final report · Jul 30, 1993 · N8521E · Substantial damage
  > the pilot's failure to refuel prior to fuel exhaustion.

Next page: https://openairdocs.org/ntsb-phases/400/cases.md?page=240

## 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=239

---
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