# 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 164 of 378 · 18,851 cases

## Cases, newest first

- [NTSB LAX91LA223](https://openairdocs.org/ntsb/LAX91LA223.md): Beech J35 · Chinle, AZ · Accident · Serious injuries · Limited investigation · Final report · May 25, 1991 · N593B · Substantial damage
  > Fuel starvation due to fuel mismanagement by the pilot in command.
- [NTSB FTW91FA085](https://openairdocs.org/ntsb/FTW91FA085.md): Piper J3C-65 · Claremore, OK · Accident · 2 fatal · Field investigation · Final report · May 25, 1991 · N3609K · Destroyed
  > The instructor pilot (PIC) did not maintain clearance from obstacles during the maneuver.
- [NTSB ANC91LA061](https://openairdocs.org/ntsb/ANC91LA061.md): Rockwell S-2R · Larsen Bay, AK · Accident · 1 fatal · Limited investigation · Final report · May 25, 1991 · N4851X · Destroyed
  > The pilot's decision to continue VFR into IMC conditions and failure to maintain proper altitude. Contributing to the accident was the low ceiling and fog.
- [NTSB FTW91DPG10](https://openairdocs.org/ntsb/FTW91DPG10.md): Weatherly 201B · Mc Crory, AR · Accident · No injuries · Final report · May 23, 1991 · N1260W · Substantial damage
  > Loss of the outboard portion of the propeller blade. A factor was the lack of suitable terrain for the forced landing.
- [NTSB SEA91LA111](https://openairdocs.org/ntsb/SEA91LA111.md): Piper PA-22 · Laramie, WY · Accident · Minor injuries · Limited investigation · Final report · May 22, 1991 · N2234A · Substantial damage
  > The pilot's failure to maintain an airspeed above the stall speed for the aircraft. Contributing to the accident was the high density altitude.
- [NTSB CHI91LA162](https://openairdocs.org/ntsb/CHI91LA162.md): Cessna 177 · New Lothrop, MI · Accident · No injuries · Limited investigation · Final report · May 22, 1991 · N548EC · Substantial damage
  > Fuel exhaustion and misjudged fuel calculations by the pilot. A factor was the lack of suitable terrain available for an emergency landing.
- [NTSB ANC91LA059](https://openairdocs.org/ntsb/ANC91LA059.md): Bell UH-1B · Smith Cove, AK · Accident · Minor injuries · Limited investigation · Final report · May 22, 1991 · N87729 · Substantial damage
  > A complete lose of engine power due to a total disintegration of the turbine wheel.
- [NTSB SEA91LA109](https://openairdocs.org/ntsb/SEA91LA109.md): Bell 47G-3B-1 · Malott, WA · Accident · No injuries · Limited investigation · Final report · May 19, 1991 · N73903 · Destroyed
  > An undetermined failure of the fuel pump casing resulting in an in flight fire and loss of engine power.
- [NTSB LAX91FA219](https://openairdocs.org/ntsb/LAX91FA219.md): Beech C23 · Cibola, AZ · Accident · Serious injuries · Field investigation · Final report · May 19, 1991 · N6017E · Substantial damage
  > The pilot's failure to maintain adequate clearance between the aircraft and ground vehicle during a low pass resulting in an in flight collision with the vehicle, loss of control, and in flight collision with terrain. Factors related to the accident was the…
- [NTSB FTW91FA081](https://openairdocs.org/ntsb/FTW91FA081.md): Cessna 150J · Caney, OK · Accident · 2 fatal · Field investigation · Final report · May 18, 1991 · N1019M · Destroyed
  > Binding of the #2 exhaust valve (stuck valve), and failure of the pilot to maintain adequate airspeed, which resulted in an inadvertent stall. A factor related to the accident was: the failed exhaust manifold gasket.
- [NTSB DEN91FA071](https://openairdocs.org/ntsb/DEN91FA071.md): Cessna 172M · Wray, CO · Accident · 1 fatal · Field investigation · Final report · May 17, 1991 · N80077 · Substantial damage
  > The pilot intentionally buzzing and failure to maintain proper altitude.
- [NTSB MIA91LA147](https://openairdocs.org/ntsb/MIA91LA147.md): Waco UPF-7 · Key West, FL · Accident · No injuries · Limited investigation · Final report · May 15, 1991 · N32133 · Substantial damage
  > A momentary loss of engine power due to undetermined reasons.
- [NTSB FTW91FA092](https://openairdocs.org/ntsb/FTW91FA092.md): Ayres S2R-T34 · Parkin, AR · Accident · 1 fatal · Field investigation · Final report · May 15, 1991 · N4010P · Destroyed
  > Failure of the pilot to maintain adequate clearance from objects.
- [NTSB SEA91LA105](https://openairdocs.org/ntsb/SEA91LA105.md): Grumman G-164A · Lapwai, ID · Accident · Serious injuries · Limited investigation · Final report · May 14, 1991 · N8792H · Destroyed
  > The pilot's misjudgment of an aerial application swath run. Factors include a downdraft condition and soft terrain.
- [NTSB LAX91LA214](https://openairdocs.org/ntsb/LAX91LA214.md): Grumman G164B · Yuba City, CA · Accident · Minor injuries · Limited investigation · Final report · May 14, 1991 · N48658 · Substantial damage
  > Fatigue in the propeller blade which led to its ultimate failure. Factors relating to this accident were the soft terrain conditions on which the airplane landed and a berm across the airplane's ground path.
- [NTSB FTW91DPG06](https://openairdocs.org/ntsb/FTW91DPG06.md): Grumman G-164A · Gillett, AR · Accident · No injuries · Final report · May 14, 1991 · N9785 · Substantial damage
  > The windshiled becoming obscured by aerial application spray and the resultant limited vision from the cockpit.
- [NTSB DEN91LA070](https://openairdocs.org/ntsb/DEN91LA070.md): Piper PA18-50 · Lordsburg, NM · Accident · Serious injuries · Limited investigation · Final report · May 14, 1991 · N2331H · Substantial damage
  > Pilot factor in that he allowed the aircraft to enter an inadvertent stall mush at an altitude insufficient to recover.
- [NTSB MIA91LA144](https://openairdocs.org/ntsb/MIA91LA144.md): Air Tractor AT-301 · Tutwiler, MS · Accident · Minor injuries · Limited investigation · Final report · May 13, 1991 · N8563S · Substantial damage
  > Fatigue failure of one of the propeller blades resulting in the forced landing. Contributing to the accident was lack of suitable terrain.
- [NTSB NYC91LA134](https://openairdocs.org/ntsb/NYC91LA134.md): Tierra II · Cooperstown, NY · Accident · Minor injuries · Limited investigation · Final report · May 12, 1991 · N198WC · Destroyed
  > The mechanical failure of the flight control system, which resulted in a a loss or airplane control and subsequent forced landing in trees.
- [NTSB NYC91LA130](https://openairdocs.org/ntsb/NYC91LA130.md): Robinson R-22B · Ellington, CT · Accident · No injuries · Limited investigation · Final report · May 12, 1991 · N496TP · Substantial damage
  > The failure of the pilot to maintain directional control, and his inadequate compensation for winds, while maneuvering close to the ground. A factor relating to the accident was the adverse wind conditions.
- [NTSB MIA91LA141](https://openairdocs.org/ntsb/MIA91LA141.md): Bell 47-G · Aguadilla, PR · Accident · No injuries · Limited investigation · Final report · May 11, 1991 · N955B · Destroyed
  > The improper in flight planning/decision of the pilot-in-command to conduct an out-of-ground-effect hover with a right crosswind. This resulted in an in flight loss of control due to settling with power and in flight collision with terrain.
- [NTSB CHI91LA154](https://openairdocs.org/ntsb/CHI91LA154.md): Enstrom F28 · Hampshire, IL · Accident · No injuries · Limited investigation · Final report · May 11, 1991 · N86214 · Substantial damage
  > Aircraft control was not maintained when the aircraft encountered an uncotrolled descent by the pilot. Remedial action by the pilot was inadequate. A factor related to the acident was lack of total experience in type of aircraft by the pilot.
- [NTSB FTW91DRD04](https://openairdocs.org/ntsb/FTW91DRD04.md): Air Tractor AT 301 · Lake Providence, LA · Accident · Serious injuries · Final report · May 10, 1991 · N3658T · Substantial damage
  > A loss of engine power for undetermined reasons resulting in a forced landing and nose over on landing.
- [NTSB LAX91LA204](https://openairdocs.org/ntsb/LAX91LA204.md): Ayres S2RT34 · Marysville, CA · Accident · 1 fatal · Limited investigation · Final report · May 9, 1991 · N3633Q · 2 aircraft · Destroyed
  > The pilots' inadequate visual lookout for other air traffic.
- [NTSB FTW91DRG02](https://openairdocs.org/ntsb/FTW91DRG02.md): Cessna 188 · La Feria, TX · Accident · No injuries · Final report · May 9, 1991 · N8184V · Substantial damage
  > The pilot exceeded the proper descent rate.
- [NTSB LAX91LA193](https://openairdocs.org/ntsb/LAX91LA193.md): Bell 47G3B1 · Yuma, AZ · Accident · No injuries · Limited investigation · Final report · May 7, 1991 · N304JD · Substantial damage
  > The failure of the pilot-in-command to perform fuel consumption calculations which resulted in a total loss of engine power due to fuel exhaustion.
- [NTSB CHI91DCQ05](https://openairdocs.org/ntsb/CHI91DCQ05.md): Cessna A188B · Mingo, KS · Accident · No injuries · Final report · May 6, 1991 · N9374R · Substantial damage
  > Failure of the pilot to maintain a visual lookout while performing aerial application. A factor associated with the accident is soft terrain in the selected landing area.
- [NTSB NYC91LA126](https://openairdocs.org/ntsb/NYC91LA126.md): Hughes 269B · Lincoln Park, NJ · Accident · No injuries · Limited investigation · Final report · May 5, 1991 · N3TL · Substantial damage
  > An inflight loss of control during a hover due to improper use of the flight controls by the pilot and the failure of the pilot to completely use the minimal visual references available.
- [NTSB BFO91FA048](https://openairdocs.org/ntsb/BFO91FA048.md): Piper PA-38-112 · Odessa, DE · Accident · 1 fatal · Field investigation · Final report · May 5, 1991 · N9285 · Destroyed
  > The pilot's failure to recover from a stall. Contributing was an intentional stall of the aircraft, pilot inexpereince and inadequate altitude.
- [NTSB FTW91DPG05](https://openairdocs.org/ntsb/FTW91DPG05.md): Ayres S2R-T34 · Wheatley, AR · Accident · 1 fatal · Final report · May 2, 1991 · N4015Z · Minor damage
  > The failure of the flagman to follow established procedures.
- [NTSB LAX91LA186](https://openairdocs.org/ntsb/LAX91LA186.md): Grumman G-164A · Madera, CA · Accident · No injuries · Limited investigation · Final report · Apr 28, 1991 · N5250 · Destroyed
  > Failure of the pilot to maintain adequate clearance from the guy wire.
- [NTSB SEA91FA095](https://openairdocs.org/ntsb/SEA91FA095.md): Cessna 150H · Sumpter, OR · Accident · 1 fatal · Field investigation · Final report · Apr 27, 1991 · N970MA · Destroyed
  > The pilot's improper inflight planning and decisions and the pilot's VFR flight into IMC conditions.
- [NTSB FTW91LA064](https://openairdocs.org/ntsb/FTW91LA064.md): Bell 47G4 · Corpus Christi, TX · Accident · Minor injuries · Limited investigation · Final report · Apr 27, 1991 · N1195W · Destroyed
  > The initial restricted movement and eventual locking of the cyclic control as a result of the failure of the lateral servo. A factor was the installation of the failed component by an unqualified person.
- [NTSB ATL91LA088](https://openairdocs.org/ntsb/ATL91LA088.md): Cessna 150J · Kure Beach, NC · Accident · 1 fatal · Limited investigation · Final report · Apr 25, 1991 · N50738 · Destroyed
  > The pilot's poor judgement, while impaired by alcohol, and his misjudgement of altitude/clearance above the water after initiating a low pass.
- [NTSB MIA91LA125](https://openairdocs.org/ntsb/MIA91LA125.md): Rutan Aircraft Factory Vari EZE · Panama City, FL · Accident · 1 fatal · Limited investigation · Final report · Apr 21, 1991 · N32F · Destroyed
  > The pilot-in-command misjudged his altitude while conducting an aerobatic maneuver, resulting in an in flight collision with water.
- [NTSB SEA91LA091](https://openairdocs.org/ntsb/SEA91LA091.md): Schwartz Bushby MM-1 · Ephrata, WA · Accident · 1 fatal · Limited investigation · Final report · Apr 20, 1991 · N484N · Destroyed
  > The pilot's loss of control after he initiated a maneuver at low altitude.
- [NTSB SEA91FA089](https://openairdocs.org/ntsb/SEA91FA089.md): Cessna 150L · Mount Vernon, WA · Accident · 2 fatal · Field investigation · Final report · Apr 20, 1991 · N16230 · Destroyed
  > The pilot's failure to maintain adequate airspeed, which resulted in an inadvertent stall/spin at low altitude. His lack of experience was a related factor.
- [NTSB NYC91DNA02](https://openairdocs.org/ntsb/NYC91DNA02.md): Bell 47-G3B1 · Harwich, MA · Accident · Minor injuries · Final report · Apr 20, 1991 · N1166W · Substantial damage
  > A failure of the clutch during takeoff due to improper maintenance procedures. Factors related to the accident were insufficient altitude to establish an autorotation.
- [NTSB ATL91LA086](https://openairdocs.org/ntsb/ATL91LA086.md): Cessna 182B · Elberta, AL · Accident · No injuries · Limited investigation · Final report · Apr 20, 1991 · N7202E · Substantial damage
  > The pilot's failure to apply carburetor heat. Factors were weather conditions for the formation of induction ice, and the soft terrain.
- [NTSB FTW91LA068](https://openairdocs.org/ntsb/FTW91LA068.md): Piper PA-18-150 · Port Lavaca, TX · Accident · Serious injuries · Limited investigation · Final report · Apr 17, 1991 · N4695Y · Destroyed
  > The pilot's inadvertent stall at an altitude too low for recovery. A factor was the pilot's low pass.
- [NTSB MIA91FA124](https://openairdocs.org/ntsb/MIA91FA124.md): Cessna 152 · Oak Meadows, FL · Accident · Serious injuries · Field investigation · Final report · Apr 16, 1991 · N4902H · Substantial damage
  > The failure of the instructor pilot to maintain an airspeed above stall speed resulting in an inadvertent stall at an altitude that precluded recovery. Contributing to the accident was the instructor pilot's poor judgement and ostentatious display at a low…
- [NTSB MIA91FA123](https://openairdocs.org/ntsb/MIA91FA123.md): Waco ASO · Lake Apopka, FL · Accident · 3 fatal · Field investigation · Final report · Apr 16, 1991 · NC7091 · Destroyed
  > An inadvertent stall and spin at an altitude that precluded recovery.
- [NTSB FTW91LA067](https://openairdocs.org/ntsb/FTW91LA067.md): Cessna 170B · Carlisle, AR · Accident · Minor injuries · Limited investigation · Final report · Apr 16, 1991 · N8188A · Substantial damage
  > The pilot's failure to maintain airspeed above the stalling speed of the airplane and the resultant inadvertent stall. A factor was the emotional state of the pilot.
- [NTSB FTW91LA066](https://openairdocs.org/ntsb/FTW91LA066.md): Aeronca 7AC · Bradley, AR · Accident · 2 fatal · Limited investigation · Final report · Apr 16, 1991 · N1599E · Destroyed
  > The pilot's attempted to perform aerobatic flight at an altitude inadequate for recovery.
- [NTSB SEA91LA260](https://openairdocs.org/ntsb/SEA91LA260.md): Aero Commander S-2R · Grangeville, ID · Accident · 1 fatal · Limited investigation · Final report · Apr 15, 1991 · N5539X · Destroyed
  > The improper decision by the pilot to continue VFR flight in IMC weather conditions in mountainous terrain, resulting in pilot disorientation and inadvertent flight into a box canyon. Factors relating to the accident were the rain showers and low ceiling…
- [NTSB MIA91LA122](https://openairdocs.org/ntsb/MIA91LA122.md): Grumman G-164B · Clewiston, FL · Accident · No injuries · Limited investigation · Final report · Apr 15, 1991 · N8386K · Substantial damage
  > Disintegration of the impeller for undetermined reasons resulting in the total loss of engine power necessitating the forced landing.
- [NTSB LAX91LA179](https://openairdocs.org/ntsb/LAX91LA179.md): Robinson R-22B · Piru, CA · Accident · Serious injuries · Limited investigation · Final report · Apr 15, 1991 · N4030A · Destroyed
  > 1) The pilot failing to maintain visual lookout, and 2) inflight collision with unmarked transmission wires.
- [NTSB CHI91LA131](https://openairdocs.org/ntsb/CHI91LA131.md): Enstrom F-28A · Grand Ledge, MI · Accident · No injuries · Limited investigation · Final report · Apr 12, 1991 · N294Q · Substantial damage
  > The student's failure to maintain a proper altitude and clearance from the terrain along with the cfi's failure to adequately supervise the student's actions. A factor contributing to the accident was the inadequate visual lookout available due to the night…
- [NTSB CHI91DEP04](https://openairdocs.org/ntsb/CHI91DEP04.md): Brault Glasair SH2F · Green Bay, WI · Accident · Minor injuries · Final report · Apr 11, 1991 · N1490 · Substantial damage
  > The pilot in command's failure to refuel the aircraft prior to departure. A factor contributing to the accident was the unporting of the fuel pick up line in fuel tank during abrupt or negative 'g' maneuvers.
- [NTSB LAX91LA168](https://openairdocs.org/ntsb/LAX91LA168.md): Cessna 140 · El Mirage, CA · Accident · No injuries · Limited investigation · Final report · Apr 9, 1991 · N89572 · Substantial damage
  > That the pilot made a poor inflight decision to practice the slow flight maneuver at a low altitude and that he failed to maintain airspeed.

Next page: https://openairdocs.org/ntsb-phases/450/cases.md?page=165

## 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=164

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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.
