# 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 61 of 378 · 18,851 cases

## Cases, newest first

- [NTSB ERA11LA135](https://openairdocs.org/ntsb/ERA11LA135.md): Belcher William B II Firestar · West Blocton, AL · Accident · Serious injuries · Limited investigation · Final report · Feb 6, 2011 · N43341 · Substantial damage
  > The student pilot's failure to maintain adequate airspeed while maneuvering, which resulted in an aerodynamic stall.
- [NTSB CEN11LA177](https://openairdocs.org/ntsb/CEN11LA177.md): Piper PA-16 · Lake Koshkonong, WI · Accident · Minor injuries · Limited investigation · Final report · Feb 5, 2011 · N5945H · Substantial damage
  > A loss of engine power for undetermined reasons during a low-altitude pass over a frozen lake.
- [NTSB WPR11LA122](https://openairdocs.org/ntsb/WPR11LA122.md): McDonnell Douglas Helicopters 369E (MD500E) · Elverta, CA · Accident · Minor injuries · Limited investigation · Final report · Feb 4, 2011 · N416WC · Substantial damage
  > The pilot did not maintain rotor blade clearance from an installation rope while maneuvering to install power lines.
- [NTSB WPR11FA120](https://openairdocs.org/ntsb/WPR11FA120.md): Aeronca O-58C · San Luis Obispo, CA · Accident · 1 fatal · Field investigation · Final report · Feb 3, 2011 · N47503 · Substantial damage
  > The pilot’s delay in using carburetor heat, which resulted in a loss of engine power due to an encounter with carburetor icing conditions.
- [NTSB WPR11FA117](https://openairdocs.org/ntsb/WPR11FA117.md): Cessna 172 · Glendora, CA · Accident · Serious injuries · Field investigation · Final report · Jan 31, 2011 · N6922A · Substantial damage
  > The flight crew's failure to maintain adequate terrain clearance while maneuvering in downdraft conditions over mountains.
- [NTSB ERA11CA129](https://openairdocs.org/ntsb/ERA11CA129.md): Kolb Kolb Mark III · Rutherfordton, NC · Accident · Serious injuries · Data collection · Final report · Jan 30, 2011 · N457A · Substantial damage
  > The pilot's failure to maintain adequate airspeed while maneuvering at low altitude resulting in a stall/spin and ground impact.
- [NTSB CEN11LA162](https://openairdocs.org/ntsb/CEN11LA162.md): Piper PA24 · Huntsville, TX · Accident · No injuries · Limited investigation · Final report · Jan 28, 2011 · N8023P · Substantial damage
  > The pilot’s inadequate preflight inspection to ensure the main tanks were full, which resulted in a total loss of engine power due to fuel starvation.
- [NTSB WPR11LA094](https://openairdocs.org/ntsb/WPR11LA094.md): Rockwell International S-2R · Oakley, CA · Accident · 1 fatal · Limited investigation · Final report · Jan 10, 2011 · N4977X · Substantial damage
  > An in-flight collision with an unmarked meteorological evaluation tower (MET) during an aerial application flight due to the pilot's failure to see and avoid the obstacle. Contributing to the accident was the lack of visual conspicuity of the MET and the lack…
- [NTSB ERA11WA111](https://openairdocs.org/ntsb/ERA11WA111.md): Air Tractor AT802 · Santa Juana, Chile · Accident · 1 fatal · Foreign investigation · Jan 9, 2011 · EC-IOE · Destroyed
  > On January 9, 2011, at 1930 universal coordinated time, an Air Tractor AT-802, Spanish registration EC-IOE, registered to FAASA Group Aerodromo Sebastian Almagro Ctra, operated by FAASA Chile Servicios Aeros LTDA, collided with trees near Santa Juana, Chile,…
- [NTSB WPR11TA087](https://openairdocs.org/ntsb/WPR11TA087.md): Piper PA-18-180 · Shoshoni, WY · Accident · No injuries · Final report · Jan 2, 2011 · N6774B · Substantial damage
  > A total loss of engine power for undetermined reasons.
- [NTSB WPR11TA083](https://openairdocs.org/ntsb/WPR11TA083.md): Quest Kodiak 100 · Reedsport, OR · Accident · No injuries · Final report · Dec 31, 2010 · N702FW · Substantial damage
  > The pilot's failure to maintain clearance from power lines during a low-level aerial observation flight. Contributing to the accident was pilot's failure to review a route hazards map prior to initiating the flight.
- [NTSB ERA11FA101](https://openairdocs.org/ntsb/ERA11FA101.md): Cessna 172H · Weyers Cave, VA · Accident · 2 fatal · Field investigation · Final report · Dec 31, 2010 · N2876L · 2 aircraft · Substantial damage
  > The inherent limitations of the see-and-avoid concept, which made it difficult for the helicopter pilot to see the airplane before the collision. Contributing to the accident was the airplane pilot’s non-standard entry to the airport traffic pattern, which,…
- [NTSB CEN11FA130](https://openairdocs.org/ntsb/CEN11FA130.md): Cessna 210B · Loveland, CO · Accident · 1 fatal · Field investigation · Final report · Dec 27, 2010 · N200EP · Substantial damage
  > The pilot's intentional flight into terrain.
- [NTSB WPR11CA079](https://openairdocs.org/ntsb/WPR11CA079.md): Moyes Bailey Microlite · Newberg, OR · Accident · No injuries · Data collection · Final report · Dec 22, 2010 · N7008Z · Substantial damage
  > The pilot's improper recovery from a dive, which resulted in a loss of control.
- [NTSB CEN11FA125](https://openairdocs.org/ntsb/CEN11FA125.md): Beech C24R · Wheeling, IL · Accident · 1 fatal · Field investigation · Final report · Dec 22, 2010 · N5293M · Substantial damage
  > The installation of the wrong engine-driven fuel pump, which resulted in a loss of engine power during takeoff, and the pilot's subsequent decision to turn back toward the airport at an insufficient altitude to complete the maneuver. Contributing to the…
- [NTSB WPR11FA078](https://openairdocs.org/ntsb/WPR11FA078.md): Aero Commander 680FL · Perris, CA · Accident · 1 fatal · Field investigation · Final report · Dec 20, 2010 · N316KW · Substantial damage
  > The pilot’s decision to continue visual flight into instrument meteorological conditions, which resulted in an in-flight collision with mountainous terrain.
- [NTSB ERA11FA085](https://openairdocs.org/ntsb/ERA11FA085.md): Diamond Aircraft Ind DA 40 · Pearlington, MS · Accident · 1 fatal · Field investigation · Final report · Dec 13, 2010 · N361DS · Substantial damage
  > The pilot’s controlled flight into terrain likely due to spatial disorientation, while flying over sparsely lighted terrain at night.
- [NTSB ERA11CA087](https://openairdocs.org/ntsb/ERA11CA087.md): Schweizer SGS 1-23D · Aberdeen, MD · Accident · Minor injuries · Data collection · Final report · Dec 11, 2010 · N91896 · Substantial damage
  > The pilot's loss of control during an intentional aerobatic maneuver (spin) resulting in a collision with trees.
- [NTSB ERA11LA083](https://openairdocs.org/ntsb/ERA11LA083.md): Bell 206B · Isom, KY · Accident · Minor injuries · Limited investigation · Final report · Dec 10, 2010 · N263CH · Substantial damage
  > The pilot's failure to maintain clearance from a known wire hazard during an aerial observation flight.
- [NTSB ERA11CA082](https://openairdocs.org/ntsb/ERA11CA082.md): Bell 206L-3 · Canal Point, FL · Accident · Serious injuries · Data collection · Final report · Dec 8, 2010 · N955GT · Substantial damage
  > The pilot's failure to maintain clearance from the ground while maneuvering at a low altitude. Contributing to the accident was the pilot’s fatigue.
- [NTSB ERA11CA080](https://openairdocs.org/ntsb/ERA11CA080.md): Robinson Helicopter R44 · Canal Point, FL · Accident · No injuries · Data collection · Final report · Dec 8, 2010 · N451DB · Substantial damage
  > Pilot fatigue due to lack of sleep resulting in incapacitation (falling asleep) and ground contact while maneuvering at a low altitude.
- [NTSB WPR11CA072](https://openairdocs.org/ntsb/WPR11CA072.md): Piper PA-18-150 · Pullman, WA · Accident · No injuries · Data collection · Final report · Dec 4, 2010 · N4100Z · Substantial damage
  > The pilot's delayed application of carburetor heat while maneuvering, which resulted in a partial loss of engine power.
- [NTSB WPR11LA070](https://openairdocs.org/ntsb/WPR11LA070.md): Bellanca 7KCAB · Corona, CA · Accident · Minor injuries · Limited investigation · Final report · Dec 2, 2010 · N11858 · Substantial damage
  > The total loss of engine power due to oil exhaustion as a result of a broken oil line.
- [NTSB WPR11LA069](https://openairdocs.org/ntsb/WPR11LA069.md): Sabre Trike · Peoria, AZ · Accident · 1 fatal · Limited investigation · Final report · Dec 2, 2010 · N765MH · Substantial damage
  > An in-flight loss of control for undetermined reasons.
- [NTSB CEN11LA090](https://openairdocs.org/ntsb/CEN11LA090.md): Southerland Freebird Litesport U · Decatur, IL · Accident · 1 fatal · Limited investigation · Final report · Dec 2, 2010 · N415US · Substantial damage
  > The pilot's reported inability to control his amateur-built airplane for undetermined reasons after the airplane inadvertently became airborne while conducting a high-speed taxi.
- [NTSB ERA11FA074](https://openairdocs.org/ntsb/ERA11FA074.md): Beech A36 · Theodore, AL · Accident · 1 fatal · Field investigation · Final report · Nov 30, 2010 · N1860P · Substantial damage
  > The pilot's failure to maintain aircraft control while maneuvering at night in deteriorating weather conditions due to spatial disorientation. Contributing to the accident was the pilot's failure to obtain a weather briefing.
- [NTSB CEN11LA082](https://openairdocs.org/ntsb/CEN11LA082.md): Cessna 172M · Velma, OK · Accident · 1 fatal · Limited investigation · Final report · Nov 24, 2010 · N4428Q · Destroyed
  > The pilot’s failure to maintain control of the airplane while maneuvering, which resulted in an inadvertent stall and subsequent impact with terrain. Contributing to the accident was the pilot's relative inexperience in pipeline patrols.
- [NTSB WPR11LA056](https://openairdocs.org/ntsb/WPR11LA056.md): Bell 407 · Riverdale, UT · Accident · No injuries · Limited investigation · Final report · Nov 22, 2010 · N408UH · Substantial damage
  > The pilot's failure to maintain clearance from a highway marker sign while maneuvering.
- [NTSB ERA11WA075](https://openairdocs.org/ntsb/ERA11WA075.md): Piper PA-25 · Tapurah City, Brazil · Accident · 1 fatal · Foreign investigation · Nov 18, 2010 · PT-WOP · Destroyed
  > On November 18, 2010, about 1700 Universal Coordinated Time (UTC), a Piper PA-25-235, Brazilian registration PT-WOP, operated by Aeroagricola Boa Safra Ltda, lost control and crashed into trees during an agricultural flight at the Marape Farm, Tapurah City,…
- [NTSB CEN11FA075](https://openairdocs.org/ntsb/CEN11FA075.md): Hawker-Beechcraft A36 · Oklahoma City, OK · Accident · 1 fatal · Field investigation · Final report · Nov 18, 2010 · N314DP · Substantial damage
  > The pilot’s loss of control of the airplane during night instrument meteorological conditions, likely due to spatial disorientation.
- [NTSB WPR11FA050](https://openairdocs.org/ntsb/WPR11FA050.md): Diamond Aircraft Ind DA20-C1 · Payson, UT · Accident · 2 fatal · Field investigation · Final report · Nov 17, 2010 · N978CT · Substantial damage
  > The pilots' failure to maintain adequate airspeed during a slow flight maneuver that resulted in a stall and spin, and the flight instructor’s delayed or improper remedial actions to recover from the spin. Contributing to the accident was the flight school’s…
- [NTSB WPR11LA048](https://openairdocs.org/ntsb/WPR11LA048.md): MD Helicopter 369D · Salem, OR · Accident · Serious injuries · Limited investigation · Final report · Nov 15, 2010 · N155PH · Substantial damage
  > The pilot’s failure to maintain clearance between the longline and trees, which resulted in the longline snagging a tree and then recoiling into the main rotor blades and a subsequent loss of helicopter control.
- [NTSB ERA11CA059](https://openairdocs.org/ntsb/ERA11CA059.md): Hiller-Rogerson Helicopter UH12E · Madison, FL · Accident · No injuries · Data collection · Final report · Nov 15, 2010 · N4034Z · Substantial damage
  > The pilot's encounter with a settling with power condition while he was performing slow, low-level, out-of- ground-effect flight maneuvers.
- [NTSB WPR11FA047](https://openairdocs.org/ntsb/WPR11FA047.md): Beech C35 · Enterprise, OR · Accident · 1 fatal · Field investigation · Final report · Nov 14, 2010 · N747MT · Substantial damage
  > The noninstrumented pilot’s inadequate weather planning, which resulted in his failure to maintain visual flight while maneuvering under low ceilings in rainy and foggy conditions and his subsequent failure to maintain clearance from mountainous terrain.
- [NTSB ERA11LA056](https://openairdocs.org/ntsb/ERA11LA056.md): Carlo Robert Quicksilver SPT 2S · Lajas, PR · Accident · 1 fatal · Limited investigation · Final report · Nov 13, 2010 · N5593F · Substantial damage
  > The pilot’s failure to maintain adequate airspeed, which resulted in an aerodynamic stall and entry into a spin.
- [NTSB CEN11LA069](https://openairdocs.org/ntsb/CEN11LA069.md): Cessna 172R · Farmersburg, IN · Accident · No injuries · Limited investigation · Final report · Nov 12, 2010 · N531HF · Substantial damage
  > A total loss of engine power for undetermined reasons.
- [NTSB CEN11TA064](https://openairdocs.org/ntsb/CEN11TA064.md): Partenavia P.68 · Anthony, NM · Accident · Minor injuries · Final report · Nov 10, 2010 · N44956 · Destroyed
  > The pilot's decision to conduct a low-level flight in mountainous terrain in an area where downdrafts were prevalent, resulting in the inadvertent loss of control and the collision with the terrain.
- [NTSB WPR11CA041](https://openairdocs.org/ntsb/WPR11CA041.md): Aviat A-1B · Heber City, UT · Accident · No injuries · Data collection · Final report · Nov 6, 2010 · N178WW · Substantial damage
  > The pilot's failure to maintain clearance from the ground during low-level maneuvering in mountainous/hilly terrain.
- [NTSB ERA11LA048](https://openairdocs.org/ntsb/ERA11LA048.md): Bean R E/R B Weld Glasair III · Winchester, TN · Accident · 2 fatal · Limited investigation · Final report · Nov 5, 2010 · N7SY · Destroyed
  > The pilot's inadvertent climb and entry into instrument meteorological conditions during a course reversal, which resulted in spatial disorientation and a loss of control.
- [NTSB CEN11FA053](https://openairdocs.org/ntsb/CEN11FA053.md): Bell 206 · Meeker, CO · Accident · 1 fatal · Field investigation · Final report · Nov 3, 2010 · N8533F · Substantial damage
  > The pilot's failure to maintain clearance from electrical power lines during the low-altitude flight.
- [NTSB WPR11CA036](https://openairdocs.org/ntsb/WPR11CA036.md): Aerostar Acft Corp Of Texas M20E · Seligman, AZ · Accident · Minor injuries · Data collection · Final report · Nov 1, 2010 · N9614V · Substantial damage
  > The pilot's failure to maintain clearance from terrain while maneuvering. Contributing to the accident was the pilot's inadequate preflight and in-flight planning.
- [NTSB ERA11FA042](https://openairdocs.org/ntsb/ERA11FA042.md): MD Helicopters 369E · Thomas, WV · Accident · 1 fatal · Field investigation · Final report · Oct 30, 2010 · N765WH · Substantial damage
  > The pilot's failure to clear the helicopter and its external load from surrounding structures and his failure to execute a timely release of the external load, which resulted in an inadvertent entanglement and collision with wires and terrain. Contributing to…
- [NTSB WPR11FA029](https://openairdocs.org/ntsb/WPR11FA029.md): Cessna 340A · Morton, WA · Accident · 3 fatal · Field investigation · Final report · Oct 25, 2010 · N68718 · Substantial damage
  > The pilot’s failure to arrest the excessive rate of turn into the failed engine, which resulted in a loss of control and subsequent impact with terrain. Contributing to the accident was a partial loss of engine power for reasons that could not be determined…
- [NTSB WPR11FA027](https://openairdocs.org/ntsb/WPR11FA027.md): Reed Glasair III SH-3R · Lake Mathews, CA · Accident · 2 fatal · Field investigation · Final report · Oct 23, 2010 · N2XZ · Substantial damage
  > The pilot’s failure to maintain clearance from terrain while maneuvering at low altitude beneath a cloud layer.
- [NTSB WPR11FA021](https://openairdocs.org/ntsb/WPR11FA021.md): Cirrus Design SR-22 · Agua Dulce, CA · Accident · 3 fatal · Field investigation · Final report · Oct 21, 2010 · N427MC · Substantial damage
  > The non-instrument-rated pilot's improper decision to continue the flight into instrument meteorological conditions, which resulted in spatial disorientation and loss of control.
- [NTSB ERA11LA033](https://openairdocs.org/ntsb/ERA11LA033.md): Rockwell International 112TC · Waynesboro, GA · Accident · No injuries · Limited investigation · Final report · Oct 21, 2010 · N1154J · Substantial damage
  > The pilot’s deliberate exiting of the airplane by parachute while in flight following a reported flight control malfunction that could not be verified.
- [NTSB ERA11FA021](https://openairdocs.org/ntsb/ERA11FA021.md): Siai-Marchetti S.205/22R · Farmingdale, NY · Accident · 1 fatal · Field investigation · Final report · Oct 17, 2010 · N934W · Substantial damage
  > A loss of engine power during a low approach for undetermined reasons.
- [NTSB WPR11LA016](https://openairdocs.org/ntsb/WPR11LA016.md): Bell 206B · Auburn, CA · Accident · No injuries · Limited investigation · Final report · Oct 14, 2010 · N2763M · Substantial damage
  > The pilot's failure to maintain clearance from a transmission line during flight.
- [NTSB WPR11CA011](https://openairdocs.org/ntsb/WPR11CA011.md): Robinson Helicopter R22 Beta · Long Beach, CA · Accident · Serious injuries · Data collection · Final report · Oct 12, 2010 · N853DS · Substantial damage
  > The student pilot's failure to maintain an adequate drift control and skid clearance from the ground and the CFI's inadequate supervision while hovering, resulting in dynamic rollover.
- [NTSB CEN11CA017](https://openairdocs.org/ntsb/CEN11CA017.md): Luscombe 8D · Clarrisa, MN · Accident · Serious injuries · Data collection · Final report · Oct 11, 2010 · N72060 · Substantial damage
  > The partial loss of engine power for undetermined reasons.

Next page: https://openairdocs.org/ntsb-phases/450/cases.md?page=62

## 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=61

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