# 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 183 of 718 · 35,885 cases

## Cases, newest first

- [NTSB CHI99LA169](https://openairdocs.org/ntsb/CHI99LA169.md): Hornbeck Glassair · Johnson City, KS · Accident · 1 fatal · Limited investigation · Final report · May 31, 1999 · N83PG · Destroyed
  > The pilot's intentional low altitude performance of aerobatics.
- [NTSB NYC99FA130](https://openairdocs.org/ntsb/NYC99FA130.md): Cessna P206B · Piscataway, NJ · Accident · Serious injuries · Field investigation · Final report · May 30, 1999 · N4724F · Destroyed
  > was a power loss for undetermined reason(s) while operating over unsuitable terrain.
- [NTSB NYC99FA125](https://openairdocs.org/ntsb/NYC99FA125.md): Piper PA-28-140 · Hillsborough, NJ · Accident · 2 fatal · Field investigation · Final report · May 29, 1999 · N98122 · Substantial damage
  > The pilot's failure to maintain adequate airspeed which resulted in an inadvertent stall. A factor in the accident was the pilot's lack of experience in the accident airplane's make and model.
- [NTSB LAX99LA202](https://openairdocs.org/ntsb/LAX99LA202.md): Beech D-45 · Lake Berryessa, CA · Accident · No injuries · Limited investigation · Final report · May 29, 1999 · N20869 · Substantial damage
  > Loss of engine power due to a loose adjustment nut on the engine driven fuel pump that allowed for a decrease in fuel flow and fuel pressure, and the subsequent failure of the electric fuel boost pump due to loose bearings decreasing fuel flow and fuel…
- [NTSB SEA99FA176](https://openairdocs.org/ntsb/SEA99FA176.md): Cessna 152 · Coeur d'Alene, ID · Accident · 2 fatal · Field investigation · Final report · May 28, 1999 · N714UZ · Destroyed
  > The flight crew's failure to maintain adequate airspeed, resulting in a stall and uncontrolled collision with terrain. A factor was mountainous/hilly terrain.
- [NTSB LAX99LA201](https://openairdocs.org/ntsb/LAX99LA201.md): Piper PA-32R-300 · Valley Springs, CA · Accident · No injuries · Limited investigation · Final report · May 28, 1999 · N38908 · Substantial damage
  > The fatigue failure and separation of the No. 6 connecting rod end cap, which led to a catastrophic failure of the engine. The fatigue crack initiation was due to galling on the rod end cap, which was most likely caused by an undetermined factory…
- [NTSB LAX99FA200](https://openairdocs.org/ntsb/LAX99FA200.md): MBB BO 105LS A-3 · Huntington Bch, CA · Accident · 3 fatal · Field investigation · Final report · May 28, 1999 · N811CE · Destroyed
  > The pilot's in-flight loss of control due to spatial disorientation while maneuvering to reverse direction after an inadvertent encounter with instrument meteorological conditions.
- [NTSB SEA99LA075](https://openairdocs.org/ntsb/SEA99LA075.md): Air Tractor AT-401 · Jerome, ID · Accident · No injuries · Limited investigation · Final report · May 27, 1999 · N6024M · Substantial damage
  > Fuel exhaustion. Carburetor contamination and rough terrain were factors.
- [NTSB SEA99LA071](https://openairdocs.org/ntsb/SEA99LA071.md): Ben Travis Kitfox IV · Carnation, WA · Accident · No injuries · Limited investigation · Final report · May 25, 1999 · N149BT · Substantial damage
  > Loss of engine power due to a cracked engine impulse line, which disabled the fuel pump. A factor was the intentional ground loop by the pilot.
- [NTSB NYC99LA122](https://openairdocs.org/ntsb/NYC99LA122.md): Boeing 737 · Newark, NJ · Accident · Serious injuries · Limited investigation · Final report · May 25, 1999 · N16703 · No damage
  > In flight encounter with turbulence which caused a flight attendant to fall and break two bones in his right leg.
- [NTSB CHI99LA162](https://openairdocs.org/ntsb/CHI99LA162.md): Grumman-Schweizer G-164B · Buxton, ND · Accident · No injuries · Limited investigation · Final report · May 25, 1999 · N6524K · Substantial damage
  > the number one cylinder's separation, the pilot's visual lookout not possible through the oil given off by the number one cylinder, and the embankment. A factor in the accident was the oil.
- [NTSB FTW99FA148](https://openairdocs.org/ntsb/FTW99FA148.md): Beech C18S · Waldron, AR · Accident · 1 fatal · Field investigation · Final report · May 24, 1999 · N9729H · Destroyed
  > the separation of a propeller blade in cruise flight as a result of fatigue cracking emanating from surface corrosion pitting.
- [NTSB LAX99LA190](https://openairdocs.org/ntsb/LAX99LA190.md): Beech B90 · Mokuleia, HI · Accident · 1 fatal · Limited investigation · Final report · May 23, 1999 · N301DK · Destroyed
  > The pilot's incapacitation due to the effects of hypoxia from repeated flights to altitudes above 18,000 feet msl without supplemental oxygen.
- [NTSB CHI99FA164](https://openairdocs.org/ntsb/CHI99FA164.md): Piper PA-28RT-201T · Great Bend, KS · Accident · 1 fatal · Field investigation · Final report · May 23, 1999 · N8252S · Destroyed
  > the chafed through turbocharger oil supply hose, the failure of maintenance personnel to install a clamp on the turbocharger oil supply hose, and the inability of the pilot to maintain aircraft control.
- [NTSB LAX99LA192](https://openairdocs.org/ntsb/LAX99LA192.md): I.C.A. Brasov IS-29D2 · Tehachapi, CA · Accident · No injuries · Limited investigation · Final report · May 22, 1999 · N8217A · Substantial damage
  > The pilot's inability to maintain a proper glide path due to an inadvertent encounter with an area of high sink rate conditions. The mountainous/hilly nature of the terrain which limited the pilot's selection of a landing site is a factor.
- [NTSB LAX99LA188](https://openairdocs.org/ntsb/LAX99LA188.md): Cessna 414 · Orland, CA · Accident · Minor injuries · Limited investigation · Final report · May 22, 1999 · N8153Q · Substantial damage
  > A loss of engine power in both engines due to fuel contamination, which resulted from the fueling facilities improper quality control procedures.
- [NTSB ATL99LA092](https://openairdocs.org/ntsb/ATL99LA092.md): Murray R. Gardner FLY Baby · Mount Olive, NC · Accident · Minor injuries · Limited investigation · Final report · May 22, 1999 · N96MG · Substantial damage
  > A fatigue failure of the flywire bracket that resulted in the inflight separation of the left wing.
- [NTSB ATL99LA094](https://openairdocs.org/ntsb/ATL99LA094.md): Cessna 172E · Millington, TN · Accident · Minor injuries · Limited investigation · Final report · May 20, 1999 · N5363T · Substantial damage
  > Loss of engine power due to undetermined reasons. Factors were weather conditions favorable to carburetor ice and the terrain condition at the forced landing site.
- [NTSB MIA99LA157](https://openairdocs.org/ntsb/MIA99LA157.md): Cessna A-188B · Anguilla, MS · Accident · Serious injuries · Limited investigation · Final report · May 19, 1999 · N9212R · Destroyed
  > The pilot's inadequate management of the fuel supply which led to fuel exhaustion and subsequent loss of engine power.
- [NTSB DEN99FA081](https://openairdocs.org/ntsb/DEN99FA081.md): Piper PA-23E-250 · Tucumcari, NM · Accident · 2 fatal · Field investigation · Final report · May 19, 1999 · N54263 · Destroyed
  > The pilot's inadvertent stall. A factor was the loss of power of one engine in the twin-engine airplane.
- [NTSB CHI99GA155](https://openairdocs.org/ntsb/CHI99GA155.md): Bell OH-58A · Poplar Bluff, MO · Accident · 2 fatal · Final report · May 17, 1999 · N77MP · Destroyed
  > The tail rotor's impact with the blue warm-up jacket and the subsequent overload of the tail rotor drive shaft. A contributing factor was the absence of the helicopter's entry doors.
- [NTSB NYC99LA113](https://openairdocs.org/ntsb/NYC99LA113.md): Hiller UH-12C · Grafton, OH · Accident · No injuries · Limited investigation · Final report · May 16, 1999 · N812WC · Substantial damage
  > Inadequate maintenance which resulted in the failure of the mercury clutch assembly.
- [NTSB NYC99LA112](https://openairdocs.org/ntsb/NYC99LA112.md): Abrams Titan Tornado · Monroe, CT · Accident · Serious injuries · Limited investigation · Final report · May 16, 1999 · N194PA · Substantial damage
  > The failure of the magneto (mag) cylinder bearing resulting in a total loss of power and subsequent forced landing.
- [NTSB ATL99LA088](https://openairdocs.org/ntsb/ATL99LA088.md): Piper PA-32-300 · Dickson, TN · Accident · Minor injuries · Limited investigation · Final report · May 16, 1999 · N414AA · Substantial damage
  > The loss of engine power due to undetermined reasons. A factor was uneven terrain.
- [NTSB FTW99LA139](https://openairdocs.org/ntsb/FTW99LA139.md): Cessna 175B · Spur, TX · Accident · No injuries · Limited investigation · Final report · May 13, 1999 · N8133T · Substantial damage
  > The total loss of engine power during cruise flight for an undetermined reason. A factor was the lack of suitable terrain for the forced landing.
- [NTSB ATL99LA085](https://openairdocs.org/ntsb/ATL99LA085.md): Air Tractor AT-400 · Louisville, MS · Accident · No injuries · Limited investigation · Final report · May 13, 1999 · N36493 · Substantial damage
  > Inadequate preflight by the pilot, which resulted in fuel exhaustion, due to an inadequate supply of fuel.
- [NTSB LAX99LA183](https://openairdocs.org/ntsb/LAX99LA183.md): Cessna 150M · Lucerne Valley, CA · Accident · Minor injuries · Limited investigation · Final report · May 12, 1999 · N66487 · Substantial damage
  > the pilot's failure to refuel the airplane and improper fuel consumption calculations.
- [NTSB LAX99LA182](https://openairdocs.org/ntsb/LAX99LA182.md): Cessna T188C · Stovepipe Wells, CA · Accident · Serious injuries · Limited investigation · Final report · May 11, 1999 · N9603J · Substantial damage
  > fuel exhaustion resulting from the pilot becoming lost and disoriented on a cross-country flight.
- [NTSB MIA99LA154](https://openairdocs.org/ntsb/MIA99LA154.md): Ryan ST-A · Leesburg, FL · Accident · No injuries · Limited investigation · Final report · May 9, 1999 · N18904 · Substantial damage
  > The pilot's failure to maintain adequate clearance from the fence.
- [NTSB NYC99FA107](https://openairdocs.org/ntsb/NYC99FA107.md): Cessna 172K · Shirley, NY · Accident · 1 fatal · Field investigation · Final report · May 8, 1999 · N7068G · Destroyed
  > The pilot's loss of control of the airplane due to intoxication. A factor was the pilot's self-induced pressure to conduct the flight.
- [NTSB LAX99LA175](https://openairdocs.org/ntsb/LAX99LA175.md): Matter GLASAIR-SH-2R · St. Johns, AZ · Accident · Minor injuries · Limited investigation · Final report · May 8, 1999 · N6DM · Substantial damage
  > The pilot misjudging the distance/altitude while on final approach to the runway, which resulted in a landing overrun. Factors were the pilot's failure to position the flap switch to the neutral position after takeoff, resulting in the continuous running and…
- [NTSB FTW99FA132](https://openairdocs.org/ntsb/FTW99FA132.md): Grumman American AA-5B · Claremore, OK · Accident · No injuries · Field investigation · Final report · May 8, 1999 · N4546J · Substantial damage
  > The fatigue fracture of the propeller bolts resulting from the improper installation of the propeller assembly.
- [NTSB DEN99FA075](https://openairdocs.org/ntsb/DEN99FA075.md): Piper PA-11 · Lander, WY · Accident · 2 fatal · Field investigation · Final report · May 8, 1999 · N4582M · Destroyed
  > The pilot inadvertently stalling the airplane. Factors were his abrupt maneuvering of the airplane to avoid a powerline, and his attention being diverted.
- [NTSB ANC99LA060](https://openairdocs.org/ntsb/ANC99LA060.md): Aeronca 15AC · Pedro Bay, AK · Accident · Serious injuries · Limited investigation · Final report · May 8, 1999 · N1315H · Substantial damage
  > A separation of the number 3 engine cylinder head assembly, and a burned through fuel line.
- [NTSB SEA99LA058](https://openairdocs.org/ntsb/SEA99LA058.md): Cessna 150G · Detroit, OR · Accident · Serious injuries · Limited investigation · Final report · May 7, 1999 · N3381J · Substantial damage
  > The pilot's inadvertent visual flight rules flight into instrument meteorological conditions, eventually resulting in a non-mechanical loss of engine power. Factors were: the pilot's inadequate preflight planning and preparation; a snowstorm with icing…
- [NTSB CHI99LA145](https://openairdocs.org/ntsb/CHI99LA145.md): Boeing 737-222 · Chicago, IL · Accident · Serious injuries · Limited investigation · Final report · May 6, 1999 · N208AU · No damage
  > the flight attendants did not follow the cockpit crews instructions to be seated because of expected turbulence. A factor associated with the accident was the turbulence encountered.
- [NTSB NYC99LA108](https://openairdocs.org/ntsb/NYC99LA108.md): Piper PA-28-181 · Cleveland, OH · Accident · Minor injuries · Limited investigation · Final report · May 5, 1999 · N5408F · Substantial damage
  > A loss of engine power for undetermined reasons.
- [NTSB DEN99FA072](https://openairdocs.org/ntsb/DEN99FA072.md): Cessna 182B · Pagosa Springs, CO · Accident · 2 fatal · Field investigation · Final report · May 2, 1999 · N2424G · Destroyed
  > The pilot's disregard of the adverse weather forecast, and his flight into known adverse weather by flying into instrument meteorological conditions. Factors were the existing weather conditions that included low ceilings, obscuration, and icing conditions,…
- [NTSB NYC99LA102](https://openairdocs.org/ntsb/NYC99LA102.md): Glaser-Dirks DG-400 · New Milford, CT · Accident · Minor injuries · Limited investigation · Final report · May 1, 1999 · N400FJ · Destroyed
  > The manufacturer's use of inadequate adhesive material which resulted in the de-bonding and subsequent failure of the wing spar pin-lock assembly.
- [NTSB IAD99FA041](https://openairdocs.org/ntsb/IAD99FA041.md): Cessna 305A · Hilltown, PA · Accident · 3 fatal · Field investigation · Final report · May 1, 1999 · N5171G · 2 aircraft · Destroyed
  > The inadequate lookout of both pilots, and the pilot of the other aircraft.
- [NTSB FTW99LA128](https://openairdocs.org/ntsb/FTW99LA128.md): Luscombe 8E · Conroe, TX · Accident · Serious injuries · Limited investigation · Final report · May 1, 1999 · N2638K · Substantial damage
  > The loss of engine power due to fuel starvation as a result of a blocked fuel vent. A factor was the lack of suitable terrain for the forced landing.
- [NTSB CHI99LA143](https://openairdocs.org/ntsb/CHI99LA143.md): Narzinski Avid Flyer Mark IV · West Alton, MO · Accident · No injuries · Limited investigation · Final report · May 1, 1999 · N313N · Substantial damage
  > The failure of the connecting rod bearing, and the rough/uneven terrain condition.
- [NTSB FTW99LA126](https://openairdocs.org/ntsb/FTW99LA126.md): Beech J35 · Bass, AR · Accident · No injuries · Limited investigation · Final report · Apr 29, 1999 · N735B · Substantial damage
  > The pilot's failure to maintain aircraft directional control during landing roll on a gravel road. Factors were the clouds and low ceilings, the low fuel status, and the gravel road condition.
- [NTSB FTW99FA123](https://openairdocs.org/ntsb/FTW99FA123.md): Cessna 402C · Goldsby, OK · Accident · 1 fatal · Field investigation · Final report · Apr 27, 1999 · N819BW · Destroyed
  > The fatigue failure of the right wing spar as a result of inadequate quality control during manufacture of the spar. A factor was the inadequate inspection of the right wing by maintenance personnel, which failed to detect the crack.
- [NTSB MIA99LA139](https://openairdocs.org/ntsb/MIA99LA139.md): Beech 23 · Apex, NC · Accident · Serious injuries · Limited investigation · Final report · Apr 25, 1999 · N9249S · Substantial damage
  > the pilot's failure to maintain control of the airplane resulting in the airplane drifting, and subsequently impacting with trees.
- [NTSB LAX99LA164](https://openairdocs.org/ntsb/LAX99LA164.md): Beech 36TC · Lake Elsinore, CA · Accident · No injuries · Limited investigation · Final report · Apr 25, 1999 · N36MN · Substantial damage
  > Fuel starvation due to the pilot's inadequate preflight inspection procedures and his failure to accurately determine the amount of fuel onboard prior to departure. A factor in the accident was the erratic fuel quantity sensor in the left fuel tank.
- [NTSB CHI99LA131](https://openairdocs.org/ntsb/CHI99LA131.md): Cessna 177 · Greencastle, IN · Accident · Minor injuries · Limited investigation · Final report · Apr 24, 1999 · N3270T · Substantial damage
  > the pilot operating with known deficiencies in equipment and the fuel cap that disengaged. Factors were the wet grass, and muddy terrain conditions.
- [NTSB MIA99FA140](https://openairdocs.org/ntsb/MIA99FA140.md): Beech B95A · Fountain, FL · Accident · 1 fatal · Field investigation · Final report · Apr 23, 1999 · N6600 · Destroyed
  > The pilot's inadequate preflight inspection of the airplane that resulted in a loss of engine power because of fuel vent blockage and his selection of unsuitable terrain for the forced landing.
- [NTSB LAX99FA160](https://openairdocs.org/ntsb/LAX99FA160.md): Cessna 150G · Gorman, CA · Accident · 1 fatal · Field investigation · Final report · Apr 22, 1999 · N3403J · Destroyed
  > The pilot's intentional flight into adverse weather conditions beneath a low ceiling in mountainous terrain.
- [NTSB FTW99FA121](https://openairdocs.org/ntsb/FTW99FA121.md): Cessna 182G · Blanco, TX · Accident · 1 fatal · Field investigation · Final report · Apr 22, 1999 · N2330R · Destroyed
  > The pilot's continued flight into adverse weather conditions and his failure to maintain clearance with terrain. Factors were, the low cloud and drizzle weather conditions, and the dark night light conditions.

Next page: https://openairdocs.org/ntsb-phases/400/cases.md?page=184

## 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=183

---
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