# 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 117 of 377 · 18,850 cases

## Cases, newest first

- [NTSB MIA99LA117](https://openairdocs.org/ntsb/MIA99LA117.md): Waco YMF-5 · Boca Raton, FL · Accident · Serious injuries · Limited investigation · Final report · Apr 2, 1999 · N820MM · Substantial damage
  > The pilot's failure to select a suitable forced landing site following a partial loss of engine power due to failed cylinder holdddown studs, and the subsequent collision with trees. A factor in the accident was the reduced forward visibility from the dual…
- [NTSB ANC99LA040](https://openairdocs.org/ntsb/ANC99LA040.md): Robinson R-22 · Fairbanks, AK · Accident · No injuries · Limited investigation · Final report · Apr 1, 1999 · N8367F · Substantial damage
  > The failure of the pilot to maintain rotor rpm during a downwind turn. A factor in the accident was the inadequate altitude to recover from the loss of rotor rpm.
- [NTSB NYC99LA082](https://openairdocs.org/ntsb/NYC99LA082.md): Schweizer 269C · Westerville, OH · Accident · Serious injuries · Limited investigation · Final report · Mar 29, 1999 · N15SS · Substantial damage
  > The failure of the pilot to maintain control of the helicopter.
- [NTSB FTW99FA100](https://openairdocs.org/ntsb/FTW99FA100.md): Robinson R22 Beta · Houston, TX · Accident · 2 fatal · Field investigation · Final report · Mar 26, 1999 · N2323V · Destroyed
  > The pilot's failure to maintain control of the helicopter while maneuvering. A factor was the pilot's impairment due to his use of a prescription narcotic.
- [NTSB CHI99FA120](https://openairdocs.org/ntsb/CHI99FA120.md): Extra Flugzeugbau 300S · Dow, IL · Accident · No injuries · Field investigation · Final report · Mar 24, 1999 · N9K · Substantial damage
  > a fatigue failure of the upper left longeron and adjacent diagonal cross member near the horizontal stabilizer attach point. A factor related to the accident was that the manufacturer informed the operator that they were already in compliance with the latest…
- [NTSB CHI99FA112](https://openairdocs.org/ntsb/CHI99FA112.md): Cirrus Design SR20 · Duluth, MN · Accident · 1 fatal · Field investigation · Final report · Mar 23, 1999 · N115CD · Destroyed
  > the lack of sufficient aileron-to-wing gap clearance design. Contributing factors were the inadequate oversight of the Federal Aviation Administration of the design and manufacturing and flight test process of Cirrus Design Corporation, the location of the…
- [NTSB CHI99LA111](https://openairdocs.org/ntsb/CHI99LA111.md): Cessna A188B · Atwood, KS · Accident · 1 fatal · Limited investigation · Final report · Mar 22, 1999 · N5706G · Destroyed
  > The pilot's failure to maintain clearance from obstacles.
- [NTSB ATL99LA055](https://openairdocs.org/ntsb/ATL99LA055.md): Schweizer G-164B · Bay Springs, MS · Accident · No injuries · Limited investigation · Final report · Mar 19, 1999 · N3629T · Substantial damage
  > The fuel control drive bearing failure at the intermediate gear resulted in fuel starvation and the subsequent loss of engine power.
- [NTSB MIA99LA107](https://openairdocs.org/ntsb/MIA99LA107.md): Fairchild Hiller FH-1100 · Opp, AL · Accident · No injuries · Limited investigation · Final report · Mar 16, 1999 · N547FH · Substantial damage
  > a loss of engine power due to the failure of the engine to transmission drive shaft flex coupling, resulting in an in-flight collision with a vehicle.
- [NTSB IAD99GA036](https://openairdocs.org/ntsb/IAD99GA036.md): Mil MI-8MTV-1 · Hinche, Haiti · Accident · 13 fatal · Final report · Mar 15, 1999 · RA-25464 · Destroyed
  > The flightcrew's inability to maintain visual contact with mountainous terrain in night, instrument meteorological conditions. Contributing to the accident was a lack of preparation and support for difficult flight conditions, including lack of coordination…
- [NTSB NYC99LA072](https://openairdocs.org/ntsb/NYC99LA072.md): Miner Rotorway Exec 162F · Mechanicsburg, PA · Accident · Minor injuries · Limited investigation · Final report · Mar 14, 1999 · N124CF · Substantial damage
  > The pilot's inadvertent induced dynamic rollover. A factor in the accident was the pilot's lack of helicopter experience.
- [NTSB DEN99FA051](https://openairdocs.org/ntsb/DEN99FA051.md): Cessna 172 · Gill, CO · Accident · 2 fatal · Field investigation · Final report · Mar 14, 1999 · N6085A · Destroyed
  > The pilot's intentional maneuvering at an unwarranted low altitude resulting in a collision with the ground. Factors were the pilot's ostentatious behavioral display and reduced lighting (dusk) conditions.
- [NTSB DEN99LA056](https://openairdocs.org/ntsb/DEN99LA056.md): Aero Commander 200D · Evanston, WY · Accident · No injuries · Limited investigation · Final report · Mar 13, 1999 · N49J · Substantial damage
  > A total loss of engine power for undetermined reasons.
- [NTSB LAX99TA115](https://openairdocs.org/ntsb/LAX99TA115.md): McDonnell Douglas 600N · Rialto, CA · Accident · Minor injuries · Final report · Mar 10, 1999 · N626SB · Substantial damage
  > The pilot's improper in-flight decision to maneuver in the area while observed inclement weather approached, which led to a loss of control. Contributing factors were the low ceilings, mountainous terrain and spatial disorientation.
- [NTSB FTW99LA092](https://openairdocs.org/ntsb/FTW99LA092.md): Schweizer Hughes 269C · Laredo, TX · Accident · No injuries · Limited investigation · Final report · Mar 10, 1999 · N36254 · Substantial damage
  > The loss of engine power due to a bearing shift, which resulted in fatigue cracking of the crankshaft and subsequent failure of the crankshaft. A factor was a lack of suitable terrain for the forced landing.
- [NTSB CHI99FA101](https://openairdocs.org/ntsb/CHI99FA101.md): Mooney M20F · Cabool, MO · Accident · 1 fatal · Field investigation · Final report · Mar 4, 1999 · N9381M · Destroyed
  > The pilot not maintaining an appropriate airspeed during the turn from base to final resulting in a stall.
- [NTSB SEA99LA038](https://openairdocs.org/ntsb/SEA99LA038.md): Sikorsky S-64E · Shelton, WA · Accident · 1 fatal · Limited investigation · Final report · Mar 2, 1999 · N194AC · No damage
  > The failure of the victim to follow the procedure that required him to make sure that all choker lines had separated from the helicopter's release mechanism prior to entering the landing (collection area).
- [NTSB LAX99LA108](https://openairdocs.org/ntsb/LAX99LA108.md): Bell UH-1H · Glenn, CA · Accident · 1 fatal · Limited investigation · Final report · Feb 21, 1999 · N6258Z · Destroyed
  > An inflight loss of control for undetermined reasons.
- [NTSB SEA99LA036](https://openairdocs.org/ntsb/SEA99LA036.md): Piper J-5A · Rexburg, ID · Accident · No injuries · Limited investigation · Final report · Feb 20, 1999 · N28123 · Substantial damage
  > The pilot's failure to maintain clearance from power lines.
- [NTSB LAX99LA107](https://openairdocs.org/ntsb/LAX99LA107.md): Weatherly 620B · Yuma, AZ · Accident · 1 fatal · Limited investigation · Final report · Feb 20, 1999 · N2014U · Destroyed
  > The pilot's failure to maintain an adequate clearance from the power lines during an aerial application flight. A factor in the accident was the dark night lighting conditions.
- [NTSB LAX99TA105](https://openairdocs.org/ntsb/LAX99TA105.md): Christen Industries A-1 · Battle Mountain, NV · Accident · No injuries · Final report · Feb 19, 1999 · N2UJ · Substantial damage
  > Failure of the pilot to maintain clearance from terrain. A factor was the dust devil encountered by the airplane.
- [NTSB MIA99LA088](https://openairdocs.org/ntsb/MIA99LA088.md): Beech K35 · Gulfport, MS · Accident · No injuries · Limited investigation · Final report · Feb 18, 1999 · N15FF · Substantial damage
  > A loss of engine power due to fuel starvation caused by an obstruction in the fuel vent system while maneuvering in IMC conditions, and the subsequent ditching into the Gulf of Mexico.
- [NTSB CHI99LA098](https://openairdocs.org/ntsb/CHI99LA098.md): Bellanca 7GCBC · Grand Rapids, MN · Accident · No injuries · Limited investigation · Final report · Feb 18, 1999 · N57468 · Substantial damage
  > the pilot's inadequate visual lookout. A factor to the accident was the unmarked transmission wire.
- [NTSB FTW99LA083](https://openairdocs.org/ntsb/FTW99LA083.md): Robinson R22-B2 · Freer, TX · Accident · No injuries · Limited investigation · Final report · Feb 17, 1999 · N971SL · Substantial damage
  > The passenger's inadvertent interference with the cyclic control which consequently restricted the control's movement.
- [NTSB DEN99LA040](https://openairdocs.org/ntsb/DEN99LA040.md): Hughes 369D · Baggs, WY · Accident · Serious injuries · Limited investigation · Final report · Feb 16, 1999 · CGDCM · Substantial damage
  > A hard landing resulting from rotor rpm decay. Factors were the improper replacement of the turbine by company maintenance personnel resulting in the PC line nut becoming loose, and the pilot operating outside the normal height/velocity curve.
- [NTSB LAX99FA096](https://openairdocs.org/ntsb/LAX99FA096.md): Beech C99 · Bishop, CA · Accident · 1 fatal · Field investigation · Final report · Feb 12, 1999 · N205RA · Destroyed
  > the pilot's failure to follow procedures and directives and his failure to maintain clearance from mountainous terrain.
- [NTSB IAD99LA030](https://openairdocs.org/ntsb/IAD99LA030.md): WSK PZL Krosno KR-03A · Kutztown, PA · Accident · Minor injuries · Limited investigation · Final report · Feb 10, 1999 · N210C · Substantial damage
  > was the in-flight encounter with thermal sink over unsuitable terrain for landing.
- [NTSB NYC99LA055](https://openairdocs.org/ntsb/NYC99LA055.md): Hughes 369D · Herminie, PA · Accident · Minor injuries · Limited investigation · Final report · Feb 9, 1999 · N5070J · Substantial damage
  > The partial loss of engine power for undetermined reasons.
- [NTSB LAX99LA089](https://openairdocs.org/ntsb/LAX99LA089.md): Stern Rotorway Exec 162F · Tucson, AZ · Accident · Minor injuries · Limited investigation · Final report · Feb 5, 1999 · N88XS · Substantial damage
  > The sudden development of a wind gust which resulted in the pilot losing control, and the helicopter's dynamic rollover when a skid contacted the ground.
- [NTSB MIA99GA072](https://openairdocs.org/ntsb/MIA99GA072.md): Bell OH-58C · Lakeland, FL · Accident · Serious injuries · Final report · Feb 3, 1999 · N151ES · Substantial damage
  > The pilot-in command's failure to maintain clearance from the tug. A related factor was the induced pressure.
- [NTSB CHI99LA082](https://openairdocs.org/ntsb/CHI99LA082.md): Cessna 152 · Odessa, MO · Accident · Minor injuries · Limited investigation · Final report · Feb 2, 1999 · N67568 · Substantial damage
  > the total loss of engine power for reasons undetermined. Factors were total loss of engine power, the instructor pilot's encounter with unsuitable terrain, and the rough terrain.
- [NTSB MIA99LA070](https://openairdocs.org/ntsb/MIA99LA070.md): Robinson R22 · Pompano Beach, FL · Accident · Serious injuries · Limited investigation · Final report · Jan 30, 1999 · N4046H · Destroyed
  > The CFI's decision not to follow procedures and directives (initiate a go-around/power recovery) during a simulated 180 autorotation resulting in a hard landing and in flight collision with terrain.
- [NTSB LAX99GA083](https://openairdocs.org/ntsb/LAX99GA083.md): McDonnell Douglas 369E · Lake Elsinore, CA · Accident · Serious injuries · Final report · Jan 30, 1999 · N992SD · Destroyed
  > The pilot's failure to maintain main rotor rpm and her misjudged flare. Also causal was the failure of the company maintenance personnel to follow the procedures/directives in the engine manufacturer's operation and maintenance manual and their improper…
- [NTSB ATL99FA045](https://openairdocs.org/ntsb/ATL99FA045.md): Piper PA-28-181 · Brevard, NC · Accident · 1 fatal · Field investigation · Final report · Jan 28, 1999 · N1875H · Destroyed
  > The pilot's inadequate inflight planning that resulted in fuel exhaustion and the subsequent loss of engine power.
- [NTSB NYC99LA053](https://openairdocs.org/ntsb/NYC99LA053.md): Grove AIR Command · Centre Hall, PA · Accident · Serious injuries · Limited investigation · Final report · Jan 27, 1999 · N52910 · Substantial damage
  > The pilot's failure to maintain clearance from a power line. A factor was the sunglare.
- [NTSB CHI99LA077](https://openairdocs.org/ntsb/CHI99LA077.md): Piper PA-18-150 · Hyannis, NE · Accident · Minor injuries · Limited investigation · Final report · Jan 27, 1999 · N7188Z · Substantial damage
  > the pilot's failure to maintain clearance with the transmission line. Factors associated with the accident were the transmission line, the low altitude at which the pilot was flying, and his diverted attention to a person on the ground.
- [NTSB LAX99LA081](https://openairdocs.org/ntsb/LAX99LA081.md): Hiller UH-12E · Lemoore, CA · Accident · No injuries · Limited investigation · Final report · Jan 24, 1999 · N67064 · Substantial damage
  > The inadequate nature of the operator's maintenance, which failed to detect the primer and magneto discrepancies. An overly lean fuel mixture and/or magneto cross firing resulted in detonation, an ensuing connecting rod failure, and a total loss of engine…
- [NTSB LAX99FA080](https://openairdocs.org/ntsb/LAX99FA080.md): North American T-6G-NA · New River, AZ · Accident · 2 fatal · Field investigation · Final report · Jan 23, 1999 · N2757G · Destroyed
  > The pilot's delayed recovery after an intentional stall/spin of 3 to 4 rotations. A factor was the pilot's inadequate entry altitude for the intended maneuver.
- [NTSB LAX99LA074](https://openairdocs.org/ntsb/LAX99LA074.md): Abraham J G II/Erickson K ONE Design · No Las Vegas, NV · Accident · No injuries · Limited investigation · Final report · Jan 17, 1999 · N857JA · Destroyed
  > The separation of the left rudder control cable from the rudder horn due to the improper installation of a nicopress fitting that secured the cable to the control horn.
- [NTSB DEN99LA032](https://openairdocs.org/ntsb/DEN99LA032.md): Cessna 182M · Longmont, CO · Accident · No injuries · Limited investigation · Final report · Jan 16, 1999 · N555NP · Destroyed
  > The pilot's poor judgment by intentionally buzzing. A factor was an unfavorable wind that caused inadequate altitude/clearance to maneuver and avoid nearby houses.
- [NTSB SEA99FA027](https://openairdocs.org/ntsb/SEA99FA027.md): Beech 58P · Yamhill, OR · Accident · 4 fatal · Field investigation · Final report · Jan 7, 1999 · N700LF · Destroyed
  > The pilot's failure to maintain clearance from hilly terrain while maneuvering below a low ceiling. Factors include a dark night, a low ceiling, fog, and hilly terrain.
- [NTSB DEN99TA031](https://openairdocs.org/ntsb/DEN99TA031.md): Hughes 369D · Woodruff, UT · Accident · No injuries · Final report · Jan 4, 1999 · N5013P · Substantial damage
  > A partial loss of engine power due to erosion in the compressor assembly module. Factors were a missing rotating labyrinth seal, the installation of which had not been performed by unknown maintenance personnel.
- [NTSB FTW99FA060](https://openairdocs.org/ntsb/FTW99FA060.md): Piper PA-32-300R · Smackover, AR · Accident · 1 fatal · Field investigation · Final report · Jan 2, 1999 · N7676C · Destroyed
  > The pilot's spatial disorientation resulting in a loss of control of the airplane and the ensuing stall/spin. Factors were the low ceilings and the night condition.
- [NTSB FTW99GA061](https://openairdocs.org/ntsb/FTW99GA061.md): Hughes OH-6A · Laredo, TX · Accident · Minor injuries · Final report · Dec 27, 1998 · N6638R · Substantial damage
  > The loss of engine power as result of the failure of the power turbine governor. A factor was the lack of suitable terrain available to the pilot for the forced landing.
- [NTSB CHI99FA053](https://openairdocs.org/ntsb/CHI99FA053.md): Cessna C-172R · Angola, IN · Accident · 1 fatal · Field investigation · Final report · Dec 25, 1998 · N989CP · Destroyed
  > The pilot's failure to maintain aircraft control for undetermined reasons.
- [NTSB LAX99FA058](https://openairdocs.org/ntsb/LAX99FA058.md): Cessna 150L · Yucaipa, CA · Accident · 2 fatal · Field investigation · Final report · Dec 24, 1998 · N11829 · Destroyed
  > The flight instructor's failure to maintain control of the airplane.
- [NTSB LAX99FA057](https://openairdocs.org/ntsb/LAX99FA057.md): Bell UH-1H · Quincy, CA · Accident · 1 fatal · Field investigation · Final report · Dec 23, 1998 · N4590 · Destroyed
  > An inaccurate exhaust gas temperature gauge, that allowed the engine to be run over-temperature unknowingly by the pilot, which resulted in the subsequent failure of the turbine sections. Also causal was the pilot's failure to maintain rotor RPM during the…
- [NTSB LAX99FA053](https://openairdocs.org/ntsb/LAX99FA053.md): Piper PA-28-181 · Santa Clarita, CA · Accident · 1 fatal · Field investigation · Final report · Dec 19, 1998 · N6272J · Destroyed
  > the pilot's failure to maintain control of the aircraft. Factors were the night weather conditions and the lack of total and recent instrument flight time.
- [NTSB SEA99LA020](https://openairdocs.org/ntsb/SEA99LA020.md): Garlick UH-1H · Darrington, WA · Accident · Serious injuries · Limited investigation · Final report · Dec 14, 1998 · N94NW · Substantial damage
  > The total separation of the vertical fin (stabilizer), as the result of fatigue cracks which initiated in the fourth rivet hole above where the fin extends from the tailboom.
- [NTSB SEA99FA018](https://openairdocs.org/ntsb/SEA99FA018.md): Hughes 369D · Taholah, WA · Accident · Minor injuries · Field investigation · Final report · Dec 8, 1998 · N1096L · Substantial damage
  > Turbine wheel failure as the result of a low-cycle fatigue crack that initiated in a beyond-limits grinding gouge. Factors include improper maintenance by unknown parties and tree stumps that prohibited a successful emergency landing.

Next page: https://openairdocs.org/ntsb-phases/450/cases.md?page=118

## 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=117

---
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, except the copies of manufacturers’ service documents, which belong to their rights holders.