# 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 229 of 718 · 35,885 cases

## Cases, newest first

- [NTSB FTW94LA275](https://openairdocs.org/ntsb/FTW94LA275.md): Piper PA-28-140 · Russellville, AR · Accident · No injuries · Limited investigation · Final report · Aug 20, 1994 · N41472 · Substantial damage
  > VFR flight into IMC.
- [NTSB ATL94LA161](https://openairdocs.org/ntsb/ATL94LA161.md): Cessna 207 · Nags Head, NC · Accident · No injuries · Limited investigation · Final report · Aug 20, 1994 · N1670U · Substantial damage
  > The failure of the mixture control cable which resulted in a loss of engine power.
- [NTSB LAX94LA327](https://openairdocs.org/ntsb/LAX94LA327.md): Aero Commander S2R · Firebaugh, CA · Accident · No injuries · Limited investigation · Final report · Aug 19, 1994 · N8843Q · Substantial damage
  > the loss of engine power due to the failure of the number 2 cylinder head. A factor was the dark night conditions which inhibited the pilot's ability to visually detect ground obstructions in the landing area.
- [NTSB LAX94LA325](https://openairdocs.org/ntsb/LAX94LA325.md): Piper PA-12 · Riverside, CA · Accident · Minor injuries · Limited investigation · Final report · Aug 19, 1994 · N3415M · Substantial damage
  > a total loss of engine power for undetermined reasons.
- [NTSB LAX94IA331](https://openairdocs.org/ntsb/LAX94IA331.md): Mcdonnell Douglas MD-82 · Reno, NV · Incident · Minor injuries · Incident investigation · Final report · Aug 19, 1994 · N954AS · No damage
  > Failure of the area supervisor/departure controller (supvr/ctlr) to stay at his radar position and ensure that required communications were maintained. Factors related to the incident were: failure of the local tower controller instruct the flightcrew of…
- [NTSB CHI94LA277](https://openairdocs.org/ntsb/CHI94LA277.md): Beech C90A · Janesville, WI · Accident · No injuries · Limited investigation · Final report · Aug 19, 1994 · N1553N · Substantial damage
  > the pilot-in-command's exceeding the design structural limits of the airplane. Factors were turbulence in clouds and the pilot- in-command;s continued flight into known adverse weather.
- [NTSB ATL94LA158](https://openairdocs.org/ntsb/ATL94LA158.md): Cessna 172XP · Clarksburg, TN · Accident · No injuries · Limited investigation · Final report · Aug 19, 1994 · N9797V · Substantial damage
  > The failure of the alternator drive coupling, and debris from the failed coupling that lodged in the engine oil pump, resulting in a sheared oil pump drive shaft. The engine subsequently failed because of oil starvation.
- [NTSB FTW94FA272](https://openairdocs.org/ntsb/FTW94FA272.md): Fairchild Hiller FH-1100 · Van Horn, TX · Accident · 2 fatal · Field investigation · Final report · Aug 18, 1994 · N435FH · Destroyed
  > The uncorrected descent by the pilot. A factor was the lack of total experience in type aircraft.
- [NTSB ANC94LA121](https://openairdocs.org/ntsb/ANC94LA121.md): Cessna 172 · Wrangell, AK · Accident · No injuries · Limited investigation · Final report · Aug 18, 1994 · N78428 · Substantial damage
  > Loss of engine power for undertermined reasons and the lack of a suitable landing area.
- [NTSB CHI94LA286](https://openairdocs.org/ntsb/CHI94LA286.md): Snow S2C · Leslie, MO · Accident · No injuries · Limited investigation · Final report · Aug 17, 1994 · N9498R · Substantial damage
  > the separation of the cylinder and subsequent oil leak. A factor to the accident was the pilot's restricted visual outlook.
- [NTSB LAX94LA324](https://openairdocs.org/ntsb/LAX94LA324.md): Cessna 150M · Mettler, CA · Accident · No injuries · Limited investigation · Final report · Aug 16, 1994 · N714GV · Substantial damage
  > a loss of engine power due to inadequate and improper maintenance procedures and practices. A factor in the accident was the dark night lighting conditions which inhibited the pilot's ability to select a suitable forced landing area.
- [NTSB BFO94LA137](https://openairdocs.org/ntsb/BFO94LA137.md): Enstrom F-28A · Stewartsville, NJ · Accident · No injuries · Limited investigation · Final report · Aug 16, 1994 · N13CM · Substantial damage
  > The loss of engine power for undetermined reason.
- [NTSB BFO94FA144](https://openairdocs.org/ntsb/BFO94FA144.md): Piper PA-32-260 · Front Royal, VA · Accident · 5 fatal · Field investigation · Final report · Aug 16, 1994 · N3701W · Destroyed
  > The pilot's failure to maintain adequate clearance, his improper in-flight decision and his inadvertent flight into instrument meteorological conditions (IMC) which resulted in in-flight collision with terrain. The high terrain and weather conditions were…
- [NTSB BFO94FA163](https://openairdocs.org/ntsb/BFO94FA163.md): Piper PA-601P · Sea Isle City, NJ · Accident · 4 fatal · Field investigation · Final report · Aug 15, 1994 · N3642A · Destroyed
  > the pilot's failure to maintain aircraft control. Factors contributing to the accident were the presence of a level 6 thunderstorm, loss of gyro's for an undetermined reason, and the pilot's poor weather evaluation.
- [NTSB FTW94LA269](https://openairdocs.org/ntsb/FTW94LA269.md): Rockwell 112A · Eagle Lake, TX · Accident · Minor injuries · Limited investigation · Final report · Aug 14, 1994 · N1315J · Substantial damage
  > Loss of engine power for undetermined reasons. A factor was the lack of suitable terrain for the forced landing.
- [NTSB ANC94FA106](https://openairdocs.org/ntsb/ANC94FA106.md): Piper PA-32-260 · Kenai, AK · Accident · 3 fatal · Field investigation · Final report · Aug 14, 1994 · N4839S · Destroyed
  > Inadequate engine maintenance and/or inspection, and fatigue cracking of the engine case, which resulted in eventual damage to the #3 cylinder studs/engine through-bolts, subsequent separation of the #3 cylinder and piston, and an in-flight fire.
- [NTSB SEA94LA209](https://openairdocs.org/ntsb/SEA94LA209.md): Piper PA-28-140 · Redmond, WA · Accident · No injuries · Limited investigation · Final report · Aug 13, 1994 · N95285 · Substantial damage
  > Failure of an exhaust valve. A factor to the accident was: wet grass.
- [NTSB LAX94FA323](https://openairdocs.org/ntsb/LAX94FA323.md): Lockheed C-130A · Pearblossom, CA · Accident · 3 fatal · Field investigation · Final report · Aug 13, 1994 · N135FF · Destroyed
  > the inflight failure of the right wing due to fatigue cracking in the underside right wing skin and overlying doubler. A factor contributing to the accident was inadequate maintenance procedures to detect fatigue cracking.
- [NTSB BFO94FA135](https://openairdocs.org/ntsb/BFO94FA135.md): Bell 206L-4 · Whiting, NJ · Accident · 3 fatal · Field investigation · Final report · Aug 13, 1994 · N124NH · Destroyed
  > The pilot's improper in-flight planning/decision, flight into instrument meteorological conditions (IMC), and subsequent spatial disorientation, which resulted in loss of aircraft control. Factors related to the accident were: darkness, the adverse weather…
- [NTSB MIA94LA194](https://openairdocs.org/ntsb/MIA94LA194.md): Aerosport Quail · Waynesboro, MS · Accident · Minor injuries · Limited investigation · Final report · Aug 11, 1994 · N10JB · Substantial damage
  > An engine failure due to improper maintenance [overhaul] of the engine crankshaft.
- [NTSB LAX94FA317](https://openairdocs.org/ntsb/LAX94FA317.md): Aerospatiale AS350-D · Kukuihaele, HI · Accident · No injuries · Field investigation · Final report · Aug 11, 1994 · N889AT · Substantial damage
  > a fatigue crack in the 'T' fitting on the power turbine governor pneumatic accumulator. A factor was the rough, rock-covered landing area.
- [NTSB BFO94LA129](https://openairdocs.org/ntsb/BFO94LA129.md): Enstrom F-28A · Bangor, ME · Accident · Minor injuries · Limited investigation · Final report · Aug 10, 1994 · N292Q · Destroyed
  > The pilot's loss of aircraft control. Factors are dark night conditions, and the pilot's execution of an evasive maneuver.
- [NTSB FTW94LA265](https://openairdocs.org/ntsb/FTW94LA265.md): Cessna 182P · Texarkana, TX · Accident · Minor injuries · Limited investigation · Final report · Aug 9, 1994 · N1478S · Substantial damage
  > Fuel contamination and the improper adjustments made to the carburetor by unidentified maintenance personnel. A factor was the lack of suitable terrain to which a forced landing could be executed.
- [NTSB CHI94LA274](https://openairdocs.org/ntsb/CHI94LA274.md): Nelson Benson B-8M · Sandwich, IL · Accident · 1 fatal · Limited investigation · Final report · Aug 9, 1994 · N26063 · Destroyed
  > Improper planning/decision by the pilot (owner/pilot/mechanic), and his improper modification of the flight control system, which resulted in his failure (or inability) to maintain control of the gyrocopter. A factor related to the accident was: the pilot's…
- [NTSB FTW94LA264](https://openairdocs.org/ntsb/FTW94LA264.md): Cessna A188B · Sherman, TX · Accident · No injuries · Limited investigation · Final report · Aug 8, 1994 · N4826R · Substantial damage
  > The pilot's failure to refuel the airplane. A factor was the leaking fuel caps.
- [NTSB NYC94LA158](https://openairdocs.org/ntsb/NYC94LA158.md): Stulp Starduster SA 300 · Ottawa, OH · Accident · No injuries · Limited investigation · Final report · Aug 7, 1994 · N2091 · Substantial damage
  > inadequate maintenance which resulted in a corroded gascolator fuel screen restriction fuel flow and resulted in fuel starvation.
- [NTSB ANC94FA100](https://openairdocs.org/ntsb/ANC94FA100.md): de Havilland DHC-2 · Kodiak, AK · Accident · 6 fatal · Field investigation · Final report · Aug 7, 1994 · N126UA · Destroyed
  > The pilot of the VFR only flight intentionally entered instrument meteorological conditions. Factors in the accident were the inadequate procedures/directives by the company/operator management concerning continued VFR flight in marginal weather conditions…
- [NTSB LAX94FA309](https://openairdocs.org/ntsb/LAX94FA309.md): Aero Commander 112 · Mohave Valley, AZ · Accident · 3 fatal · Field investigation · Final report · Aug 6, 1994 · N1018J · Destroyed
  > Failure of the certified flight instructor to properly judge the flare to avert a hard landing, and the failure of other maintenance personnel to properly repair the engine case halves during engine overhaul. A factor in the accident was the uneven relief of…
- [NTSB FTW94LA261](https://openairdocs.org/ntsb/FTW94LA261.md): Cessna 150J · Dallas, TX · Accident · Minor injuries · Limited investigation · Final report · Aug 5, 1994 · N60124 · Substantial damage
  > The loss of engine power due to failure of the starter gear and shaft assembly needle bearing. Factors were the dark night conditions and the lack of suitable terrain for a forced landing.
- [NTSB ANC94LA097](https://openairdocs.org/ntsb/ANC94LA097.md): Cessna 206 · Mosquito Flats, AK · Accident · No injuries · Limited investigation · Final report · Aug 5, 1994 · N5200X · Substantial damage
  > The missing number 6 cylinder piston pin cap and the subsequent failure of the number 6 cylinder connecting rod cap. Also, the lack of suitable landing area for the forced landing.
- [NTSB NYC94FA148](https://openairdocs.org/ntsb/NYC94FA148.md): Beech A100 · Williamstown, MA · Accident · 1 fatal · Field investigation · Final report · Aug 4, 1994 · N7GA · Destroyed
  > the pilot's failure to maintain minimum control speed after an undetermined loss of engine power, which resulted in an inadvertent stall at too low of an altitude to allow recovery.
- [NTSB CHI94LA265](https://openairdocs.org/ntsb/CHI94LA265.md): Piper PA-32-300 · Richmond, MO · Accident · Serious injuries · Limited investigation · Final report · Aug 3, 1994 · N4854T · Substantial damage
  > a loss of engine power due to fuel starvation, reason undetermined.
- [NTSB NYC94LA146](https://openairdocs.org/ntsb/NYC94LA146.md): Piper PA-25-260 · Crown Point, NY · Accident · Minor injuries · Limited investigation · Final report · Aug 2, 1994 · N4887Y · Destroyed
  > The pilot's failure to maintain adequate terrain clearance. Other related factors are cloud conditions and the pilot's failure to maintain flight in visual meteorological conditions.
- [NTSB FTW94LA256](https://openairdocs.org/ntsb/FTW94LA256.md): Air Tractor AT-401 · Mcgehee, AR · Accident · No injuries · Limited investigation · Final report · Aug 2, 1994 · N45297 · Substantial damage
  > Total loss of engine power as the engine seized due to a blower bearing failure. A factor was the lack of suitable terrain for the forced landing.
- [NTSB SEA94GA203](https://openairdocs.org/ntsb/SEA94GA203.md): Hughes OH-6A · Duchesne, UT · Accident · 1 fatal · Final report · Jul 31, 1994 · N12UT · Destroyed
  > The pilot's improper in-flight planning/decision and failure to maintain sufficient altitude/clearance from the surrounding terrain. Factors related to the accident were: thunderstorms in the area (requiring the pilot to deviate from the desired course), high…
- [NTSB LAX94LA304](https://openairdocs.org/ntsb/LAX94LA304.md): Piper PA-28-161 · Devore, CA · Accident · No injuries · Limited investigation · Final report · Jul 31, 1994 · N2500Y · Destroyed
  > was the failure of the pilot to follow checklist and emergency procedures, which resulted in an improper decision to land on a dirt road within two miles of an airport.
- [NTSB FTW94LA255](https://openairdocs.org/ntsb/FTW94LA255.md): Cessna 150J · Silver City, NM · Accident · No injuries · Limited investigation · Final report · Jul 31, 1994 · N5580G · Substantial damage
  > The pilot's failure to refuel and the resultant loss of engine power due to fuel exhaustion. A factor was the lack of suitable terrain for the forced landing.
- [NTSB CHI94LA256](https://openairdocs.org/ntsb/CHI94LA256.md): Piper PA-28-200 · Fort Wayne, IN · Accident · Minor injuries · Limited investigation · Final report · Jul 31, 1994 · N32736 · Destroyed
  > the loss of engine power due to the failure of the number one cylinder.
- [NTSB ANC94LA095](https://openairdocs.org/ntsb/ANC94LA095.md): Starman Teirra II · North Pole, AK · Accident · No injuries · Limited investigation · Final report · Jul 31, 1994 · N43111 · Substantial damage
  > The seizure of the no. 2 cylinder as a result of an inadequate cooling system for the high ambient temperature.
- [NTSB MIA94LA188](https://openairdocs.org/ntsb/MIA94LA188.md): Piper J5C · Yazoo City, MS · Accident · Minor injuries · Limited investigation · Final report · Jul 30, 1994 · N74669 · Substantial damage
  > Partial blockage of the carburetor by a wasp nest, which was not visible during preflight, and which resulted in the loss of power.
- [NTSB CHI94LA251](https://openairdocs.org/ntsb/CHI94LA251.md): Cessna 172K · Rockford, MI · Accident · Minor injuries · Limited investigation · Final report · Jul 30, 1994 · N84514 · Substantial damage
  > the student pilot's failure to refuel the airplane prior to fuel exhaustion.
- [NTSB ATL94GA148](https://openairdocs.org/ntsb/ATL94GA148.md): Hughes TH-55A · Savannah, GA · Accident · Minor injuries · Final report · Jul 30, 1994 · N789MC · Substantial damage
  > The loss of engine power for undetermined reasons.
- [NTSB CHI94LA257](https://openairdocs.org/ntsb/CHI94LA257.md): Lattimore-Dwyer Breezy · Goshen, IN · Accident · Minor injuries · Limited investigation · Final report · Jul 29, 1994 · N4029 · Substantial damage
  > fuel exhaustion which resulted from the pilot's failure to assure an adequate fuel supply for the flight.
- [NTSB CHI94LA246](https://openairdocs.org/ntsb/CHI94LA246.md): Cessna 140 · Lomax, IL · Accident · Minor injuries · Limited investigation · Final report · Jul 27, 1994 · N9409A · Substantial damage
  > the pilot's failure to maintain clearance from a transmission wire, and the pilot's failure to maintain an appropriate altitude. A factor associated with the accident is the transmission wire.
- [NTSB CHI94LA245](https://openairdocs.org/ntsb/CHI94LA245.md): Mooney M20C · Macon, MO · Accident · No injuries · Limited investigation · Final report · Jul 27, 1994 · N6327Q · Substantial damage
  > the student pilot's decision to land on a closed runway under construction. A factor associated with the accident is the partial loss of engine power for an undetermined reason.
- [NTSB SEA94LA196](https://openairdocs.org/ntsb/SEA94LA196.md): Cessna T210M · Rathdrum, ID · Accident · No injuries · Limited investigation · Final report · Jul 26, 1994 · N761TK · Substantial damage
  > The fatigue failure of the crankshaft and a slipped bearing.
- [NTSB CHI94LA244](https://openairdocs.org/ntsb/CHI94LA244.md): Montana Coyote · Blaine, MN · Accident · No injuries · Limited investigation · Final report · Jul 26, 1994 · N218LW · Substantial damage
  > the loss of engine power due to the blocked vent line.
- [NTSB NYC94FA135](https://openairdocs.org/ntsb/NYC94FA135.md): Mooney M20C · Wallingford, CT · Accident · 2 fatal · Field investigation · Final report · Jul 24, 1994 · N6842N · Destroyed
  > the pilot's decision to exhaust the fuel supply in the selected tank in-flight, and his failure to maintain the minimum stall speed during engine out conditions. This resulted in a complete loss of engine power and the inadvertent stall and impact with the…
- [NTSB MIA94LA182](https://openairdocs.org/ntsb/MIA94LA182.md): Smith, Ted Aerostar Aerostar 601 · Atlantic Ocean (Atlantic Ocean) · Accident · Serious injuries · Limited investigation · Final report · Jul 24, 1994 · N63317 · Destroyed
  > An electrical system short for undetermined reasons.
- [NTSB ATL94LA144](https://openairdocs.org/ntsb/ATL94LA144.md): Hiller UH-12E · Hephzibah, GA · Accident · No injuries · Limited investigation · Final report · Jul 24, 1994 · N4030S · Substantial damage
  > The pilot's inadequate preflight of the aircraft, resulting in fuel exhaustion, and his improper flare of the helicopter during the autorotation, resulting in a hard landing.

Next page: https://openairdocs.org/ntsb-phases/400/cases.md?page=230

## 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=229

---
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.
