# NTSB investigations: Maneuvering

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 170 of 378 · 18,851 cases

## Cases, newest first

- [NTSB MKC90LA124](https://openairdocs.org/ntsb/MKC90LA124.md): Bell B47G-5 · Shell Knob, MO · Accident · No injuries · Limited investigation · Final report · Jun 11, 1990 · N7089J · Substantial damage
  > Visual outlook not maintained by the pilot in command.
- [NTSB LAX90FA219](https://openairdocs.org/ntsb/LAX90FA219.md): Aerotek Pitts S2A · Thermal, CA · Accident · 1 fatal · Field investigation · Final report · Jun 11, 1990 · N29MC · Destroyed
  > The pilot's inadequate handling of the airplane during an aerobatic maneuver.
- [NTSB FTW90DRD12](https://openairdocs.org/ntsb/FTW90DRD12.md): Grumman G-164A · Bastrop, LA · Accident · Minor injuries · Final report · Jun 10, 1990 · N6572 · Destroyed
  > The pilot's improper engine procedures during ground operations and prior to takeoff which resulted in fouled spark plugs.
- [NTSB LAX90LA212](https://openairdocs.org/ntsb/LAX90LA212.md): Rolladen-Schneider LS-3A · Vacaville, CA · Accident · 1 fatal · Limited investigation · Final report · Jun 9, 1990 · N116TD · Destroyed
  > The pilot's inflight loss of control for undetermined reasons.
- [NTSB DEN90LA131](https://openairdocs.org/ntsb/DEN90LA131.md): Piper PA-25-235 · Andover, SD · Accident · Minor injuries · Limited investigation · Final report · Jun 9, 1990 · N7136Z · Destroyed
  > The pilot's failure to maintain proper clearance during the swath run.
- [NTSB LAX90DVA04](https://openairdocs.org/ntsb/LAX90DVA04.md): Grumman-Schweizer G-164B · Buttonwillow, CA · Accident · Serious injuries · Final report · Jun 8, 1990 · N6725K · Destroyed
  > Failure of the #7 cylinder due to a pre-existing crack. The terrain condition was a related factor.
- [NTSB DEN90LA127](https://openairdocs.org/ntsb/DEN90LA127.md): Aero Commander S2R · Sisseton, SD · Accident · No injuries · Limited investigation · Final report · Jun 7, 1990 · N5649X · Substantial damage
  > A total loss of power due to fuel starvation. Fuel starvation was caused by a missing fuel valve support clamp and a resultant cracked fuel line. Inadequate maintenance inspections and rough, uneven terrain were contributing factors.
- [NTSB SEA90LA097](https://openairdocs.org/ntsb/SEA90LA097.md): Rockwell S2R · Cottonwood, ID · Accident · Minor injuries · Limited investigation · Final report · Jun 6, 1990 · N5620X · Destroyed
  > The loss of engine power due to undetermined reasons. The berm, which the airplane struck during landing, was a factor in the accident.
- [NTSB NYC90LA125](https://openairdocs.org/ntsb/NYC90LA125.md): Hughes 369HS · Brookville, PA · Accident · Serious injuries · Limited investigation · Final report · Jun 5, 1990 · N8315F · Destroyed
  > Worn tail rotor pitch control assembly, due to improper maintenance/installation, and subsequent fatigue failure of the tail rotor swashplate.
- [NTSB MIA90LA138](https://openairdocs.org/ntsb/MIA90LA138.md): Spezio Sport DAL-1 · Columbus, MS · Accident · Minor injuries · Limited investigation · Final report · Jun 4, 1990 · N20LW · Substantial damage
  > Failure of the pilot to maintain adequate airspeed, resulting in an inadvertent stall and subsequent loss of control. A related factor was: the lack of a stall warning system installed in the aircraft.
- [NTSB LAX90LA208](https://openairdocs.org/ntsb/LAX90LA208.md): Schweizer SGS 1-26B · Truckee, CA · Accident · 1 fatal · Limited investigation · Final report · Jun 4, 1990 · N2423W · Substantial damage
  > The pilot's improper decision to release from the tow airplane at an insufficient altitude on the lee side of the mountains.
- [NTSB DEN90LA124](https://openairdocs.org/ntsb/DEN90LA124.md): Cessna 150F · Sturgis, SD · Accident · Serious injuries · Limited investigation · Final report · Jun 4, 1990 · N6418F · Destroyed
  > Pilot inadvertently stalling the airplane. Contributing to the accident was the pilot's lack of total experience.
- [NTSB CHI90DEC02](https://openairdocs.org/ntsb/CHI90DEC02.md): Schweizer G-164C · Sandusky, MI · Accident · Minor injuries · Final report · Jun 4, 1990 · N8095K · Destroyed
  > The pilot's failure to maintain adequate airspeed during the swath run turn.
- [NTSB FTW90DPJ07](https://openairdocs.org/ntsb/FTW90DPJ07.md): Cessna T188C · Altus, OK · Accident · Minor injuries · Final report · Jun 3, 1990 · N4680J · Destroyed
  > The PIC did not maintain the proper clearance from the powerline.
- [NTSB CHI90FA146](https://openairdocs.org/ntsb/CHI90FA146.md): Beech A36 · Gaylord, MI · Accident · 4 fatal · Field investigation · Final report · Jun 3, 1990 · N3671B · Destroyed
  > The pilot's inadequate airspeed, while maneuvering (turning) after takeoff, which resulted in a stall/mush. Factors related to the accident were: the pilot's improper planning/decision, failure to maintain weight and balance limits, and adverse wind…
- [NTSB ATL90DKG04](https://openairdocs.org/ntsb/ATL90DKG04.md): Air Command 532 · Rome, GA · Accident · No injuries · Final report · Jun 3, 1990 · N2173B · Substantial damage
  > The pilot attempted a flat spiraling spin maneuver at an altitude that was too low to effect a safe recovery.
- [NTSB MKC90DPG02](https://openairdocs.org/ntsb/MKC90DPG02.md): Aero Commander S-2R · Alicia, AR · Accident · 1 fatal · Final report · Jun 1, 1990 · N8940Q · Destroyed
  > The pilot's failure to maintian airspeed during the turn to reverse direction for a swath run.
- [NTSB NYC90LA114](https://openairdocs.org/ntsb/NYC90LA114.md): Rolladen-Schneider Lsif Sailplane · Mayville, NY · Accident · Minor injuries · Limited investigation · Final report · May 28, 1990 · N17EW · Substantial damage
  > Jammed flight controls in flight due to a bent aileron push-rod.
- [NTSB ATL90FA120](https://openairdocs.org/ntsb/ATL90FA120.md): Hispano Aviacion HA-200 · Tuskegee, AL · Accident · 1 fatal · Field investigation · Final report · May 27, 1990 · N633HA · Destroyed
  > Improper in-flight planning/decision by the pilot, and his failure to maintain altitude and clearance above the terrain, while perfoming low altitude, inverted flight. Factors related to the accident were: the lack of visual perception to the pilot at dusk…
- [NTSB MIA90LA134](https://openairdocs.org/ntsb/MIA90LA134.md): Ayres S2R-600 · Vero Beach, FL · Accident · Minor injuries · Limited investigation · Final report · May 26, 1990 · N40145 · Substantial damage
  > The operation of the airplane with an unairworthy propeller by the operator.
- [NTSB FTW90DRA05](https://openairdocs.org/ntsb/FTW90DRA05.md): Grumman 164-B · Garwood, TX · Accident · No injuries · Final report · May 25, 1990 · N9982 · Destroyed
  > The power loss due to super charger impeller failure.
- [NTSB LAX90LA191](https://openairdocs.org/ntsb/LAX90LA191.md): Hughes 369FF · Madera, CA · Accident · No injuries · Limited investigation · Final report · May 24, 1990 · N530R · Substantial damage
  > The loss of engine power for undetermined reasons. Contributing to the accident was the unsuitable terrain encountered by the pilot when he turned during the autorotative descent to avoid obstacles.
- [NTSB NYC90DHA01](https://openairdocs.org/ntsb/NYC90DHA01.md): Grumman G-164A · Hunlock Creek, PA · Accident · 1 fatal · Final report · May 23, 1990 · N913X · Substantial damage
  > The pilot's failure to maintain adequate clearance from obtacles, and his failure to see and avoid the electrical transmission line.
- [NTSB LAX90LA190](https://openairdocs.org/ntsb/LAX90LA190.md): Schweizer SGS 1-26 · Waialua, HI · Accident · No injuries · Limited investigation · Final report · May 23, 1990 · N15SH · Substantial damage
  > The failure of the pilot to maintain an adequate clearance from clouds.
- [NTSB DEN90FA115](https://openairdocs.org/ntsb/DEN90FA115.md): Aerospatiale SA315B · La Sal, UT · Accident · Serious injuries · Field investigation · Final report · May 23, 1990 · N402AH · Substantial damage
  > A failure of the engine speed governor unit due to improper storage and/or inspection of the speed governor unit prior to placing it in service. A factor in the accident was the pilot carrying passengers on the external load.
- [NTSB MIA90LA126](https://openairdocs.org/ntsb/MIA90LA126.md): Cessna 305A · Perry, FL · Accident · Minor injuries · Limited investigation · Final report · May 22, 1990 · N66BC · Substantial damage
  > Loss of engine power for an undetermined reason.
- [NTSB SEA90LA083](https://openairdocs.org/ntsb/SEA90LA083.md): Sikorsky S-58D · Juneau, AK · Accident · Serious injuries · Limited investigation · Final report · May 21, 1990 · N94495 · Destroyed
  > The failure of the number 3 segment of the tail rotor drive shaft assembly.
- [NTSB MIA90LA125](https://openairdocs.org/ntsb/MIA90LA125.md): Bell 47G-3B-1 · Lake Wales, FL · Accident · Minor injuries · Limited investigation · Final report · May 21, 1990 · N1390X · Destroyed
  > The pilot's failure to maintain adequate clearance between the main rotor blades and a power line pole while maneuvering during an aerial application flight.
- [NTSB BFO90FA046](https://openairdocs.org/ntsb/BFO90FA046.md): Douglas DC-3 · Capon Bridge, WV · Accident · 2 fatal · Field investigation · Final report · May 19, 1990 · N1FN · Destroyed
  > Inadequate visual lookout by the pilots of the DC-3, which resulted in their failure to see-and-avoid the powerlines. Factors related to the accident were: the obstruction (transmission wires), and the lack of visual cues for the pilots.
- [NTSB CHI90DEV04](https://openairdocs.org/ntsb/CHI90DEV04.md): Grumman G-164B · Princeton, IL · Accident · No injuries · Final report · May 18, 1990 · N6695Q · Substantial damage
  > The pilot-in-command's failure to maintain adequate clearance from obstacles during flight at low altitude, resulting in wire strike.
- [NTSB CHI90DEK04](https://openairdocs.org/ntsb/CHI90DEK04.md): Robinson R-22 · St. Mary'S, OH · Accident · Minor injuries · Final report · May 14, 1990 · N90778 · Substantial damage
  > The pilot's failure to see and avoid wires in his operating area.
- [NTSB MIA90LA119](https://openairdocs.org/ntsb/MIA90LA119.md): Piper PA-36-300 · Shelby, MS · Accident · No injuries · Limited investigation · Final report · May 11, 1990 · N3749E · Substantial damage
  > The pilot's inadequate preflight planning and attempted flight with insufficient fuel on board to complete the flight.
- [NTSB DEN90LA108](https://openairdocs.org/ntsb/DEN90LA108.md): Piper PA-18-150 · Powderville, MT · Accident · No injuries · Limited investigation · Final report · May 10, 1990 · N62672 · Substantial damage
  > Pilot failed to maintain terrain clearance during descent on an aerial application swath run, resulting in an in flight collision with the terrain. That the pilot misjudged the pull up altitude is considered a contributing factor.
- [NTSB NYC90LA103](https://openairdocs.org/ntsb/NYC90LA103.md): Robinson R22 · Millville, NJ · Accident · No injuries · Limited investigation · Final report · May 8, 1990 · N9071Z · Substantial damage
  > The student pilot's improper use of the flight controls, and inadequate supervision of the flight by the instructor (CFI). Contributing to the accident was the lack of total time and experience of both the student and instructor.
- [NTSB NYC90DGM01](https://openairdocs.org/ntsb/NYC90DGM01.md): Air Tractor AT-400 · Tyrone, PA · Accident · Serious injuries · Final report · May 8, 1990 · N2369N · Destroyed
  > The pilot's failure to maintain adequate clearance from obstructions during low level aerial application operations. The pilot's inadequate visual lookout was a factor.
- [NTSB LAX90DVG07](https://openairdocs.org/ntsb/LAX90DVG07.md): Grumman G-164A · Gridley, CA · Accident · Serious injuries · Final report · May 8, 1990 · N5368 · Substantial damage
  > Failure of the no.7 cylinder head which led to a forced landing and substantial damage to the aircraft when it nosed over after colliding with a ditch.
- [NTSB DEN90DTK01](https://openairdocs.org/ntsb/DEN90DTK01.md): Piper PA-36-375 · Woonsocket, SD · Accident · 1 fatal · Final report · May 8, 1990 · N3634E · 2 aircraft · Destroyed
  > Failure of the pilot of N3634E to follow the briefed plan of operation, and failure of both pilots to see-and-avoid each other (inadequate visual lookout).
- [NTSB SEA90LA076](https://openairdocs.org/ntsb/SEA90LA076.md): Piper PA-18-125 · Rogerson, ID · Accident · 1 fatal · Limited investigation · Final report · May 7, 1990 · N1011A · Substantial damage
  > The pilot's intentional flight below safe altitudes while engaged in low-altitude 'buzzing' activities.
- [NTSB MKC90DCQ02](https://openairdocs.org/ntsb/MKC90DCQ02.md): Bell UH-1B · Ulysses, KS · Accident · 1 fatal · Final report · May 6, 1990 · N8142W · Destroyed
  > The pilot failed to maintain proper rotor RPM, while maneuvering over a high obstruction (power line) at the end of a swath run, which resulted in an inadvertent descent & collision with the terrain. The high obstruction was considered to be a related factor.
- [NTSB MKC90LA103](https://openairdocs.org/ntsb/MKC90LA103.md): Piper PA-25-235C · Hardin, MO · Accident · No injuries · Limited investigation · Final report · May 5, 1990 · N9555P · Substantial damage
  > Poor in-flight planning/decision and inadequate visual outlook by the pilot in command.
- [NTSB LAX90DVA03](https://openairdocs.org/ntsb/LAX90DVA03.md): Naval Aircraft Factory N3N-3 · Madera, CA · Accident · Serious injuries · Final report · May 5, 1990 · N45184 · Destroyed
  > The pilot inadvertently descending into the ground. Contributing to the accident was the inflight opening of the hopper lid which partially obscured the pilot's vision.
- [NTSB ATL90FA109](https://openairdocs.org/ntsb/ATL90FA109.md): Cessna 150L · Stockbridge, GA · Accident · 1 fatal · Field investigation · Final report · May 5, 1990 · N10790 · Destroyed
  > The pilot's failure to maintain the proper clearance from objects on the ground.
- [NTSB ANC90LA066](https://openairdocs.org/ntsb/ANC90LA066.md): Piper PA-18 · Glennallen, AK · Accident · Serious injuries · Limited investigation · Final report · May 5, 1990 · N91117 · Substantial damage
  > The pilot failed to maintain proper altitude and terrain clearance while maneuvering.
- [NTSB LAX90LA164](https://openairdocs.org/ntsb/LAX90LA164.md): Bell 47G · Riverside, CA · Accident · Minor injuries · Limited investigation · Final report · May 4, 1990 · N9FK · Substantial damage
  > The pilot's failure to maintain control of the helicopter. A factor related to the accident was: the pilot's lack of experience in the type of aircraft.
- [NTSB LAX90LA162](https://openairdocs.org/ntsb/LAX90LA162.md): Hughes 369C · Kahului, HI · Accident · No injuries · Limited investigation · Final report · May 4, 1990 · N9219F · Substantial damage
  > The pilots failure to ensure that adequate room existed to position the helicopter on the landing platform. Contributing to the accident was the failure of ground personnel to ensure that hazards to the landing helicopter were clear of the landing area.
- [NTSB DEN90FA104](https://openairdocs.org/ntsb/DEN90FA104.md): Canadair CT-133 · Roswell, NM · Accident · 2 fatal · Field investigation · Final report · May 4, 1990 · N233RK · Destroyed
  > The pilot-in-command's performance of aerobatic maneuvers that exceeded the design stress limits of the aircraft, resulting in catastrophic failure of the wing.
- [NTSB NYC90LA100](https://openairdocs.org/ntsb/NYC90LA100.md): Robinson R-22 · Lawrence, MA · Accident · No injuries · Limited investigation · Final report · May 3, 1990 · N24577 · Substantial damage
  > The pilot's improper use of flight controls, resulting in loss of control.
- [NTSB FTW90DRD07](https://openairdocs.org/ntsb/FTW90DRD07.md): Grumman G-164A · Ville Platte, LA · Accident · No injuries · Final report · May 2, 1990 · N8938H · Destroyed
  > Partial loss of engine power due to a cracked number four cylinder intake rocker box housing. The lack of a suitable forced landing site was a related factor.
- [NTSB MKC90FA101](https://openairdocs.org/ntsb/MKC90FA101.md): Beech J-35 · Pine Bluff, AR · Accident · 1 fatal · Field investigation · Final report · Apr 30, 1990 · N7242B · Destroyed
  > Aircraft stall, from which recovery was not achieved.
- [NTSB FTW90DPA02](https://openairdocs.org/ntsb/FTW90DPA02.md): Cessna A188B · Perry, TX · Accident · No injuries · Final report · Apr 30, 1990 · N21620 · Substantial damage
  > The total loss of engine power as a result of water contamination of the fuel supply. A factor was the unsuitable terrain in which the pilot had to make the forced landing.

Next page: https://openairdocs.org/ntsb-phases/450/cases.md?page=171

## 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 = 450)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-phases/450/cases?page=170

---
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.
