# 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 98 of 378 · 18,851 cases

## Cases, newest first

- [NTSB SEA02LA172](https://openairdocs.org/ntsb/SEA02LA172.md): Hughes 500 · Carnation, WA · Accident · No injuries · Limited investigation · Final report · Sep 10, 2002 · N9263F · Substantial damage
  > The pilot's delayed power application during a practice power recovery autorotation.
- [NTSB CHI02CA296](https://openairdocs.org/ntsb/CHI02CA296.md): Robinson R-22 · Maryland Height, MO · Accident · No injuries · Data collection · Final report · Sep 10, 2002 · N8372B · Substantial damage
  > Dynamic rollover due to the flight instructor's improper control inputs and the flight instructor's unsuccessful remedial actions. A contributing factor is the passenger's inadvertent movement of the cyclic control.
- [NTSB CHI02LA282](https://openairdocs.org/ntsb/CHI02LA282.md): Cessna A188B · Dexter, MO · Accident · No injuries · Limited investigation · Final report · Sep 9, 2002 · N4919Q · Substantial damage
  > The fatigue fracture of the connecting rod, the recommended engine overhaul not performed by the company, and the low altitude flight.
- [NTSB DEN02LA103](https://openairdocs.org/ntsb/DEN02LA103.md): Adler SA-1 · Mead, CO · Accident · 1 fatal · Limited investigation · Final report · Sep 8, 2002 · N551SA · Destroyed
  > the pilot's failure to maintain main rotor rpm, resulting in blade flapping, subsequent blade contact with the airframe, and loss of control.
- [NTSB NYC02LA186](https://openairdocs.org/ntsb/NYC02LA186.md): Robinson R-22B · Jamestown, KY · Accident · No injuries · Limited investigation · Final report · Sep 7, 2002 · N707RG · Substantial damage
  > The pilot's failure to maintain the proper descent rate, which resulted in low rotor rpm and a collision with water.
- [NTSB LAX02LA277](https://openairdocs.org/ntsb/LAX02LA277.md): Schempp-Hirth Ventus-B · Peoria, AZ · Accident · 1 fatal · Limited investigation · Final report · Sep 7, 2002 · N114RP · Destroyed
  > The pilot's abrupt maneuver, which resulted in an inadvertent stall.
- [NTSB LAX02FA276](https://openairdocs.org/ntsb/LAX02FA276.md): Bell 222U · Nipton, CA · Accident · 3 fatal · Field investigation · Final report · Sep 7, 2002 · N417MA · Destroyed
  > The main rotor blade separation while maneuvering for unknown reasons. A factor was the dark night condition.
- [NTSB FTW02LA252](https://openairdocs.org/ntsb/FTW02LA252.md): Piper PA-28-140 · Bella Vista, AR · Accident · Minor injuries · Limited investigation · Final report · Sep 7, 2002 · N686FL · Substantial damage
  > The binding throttle control cable, which resulted in a forced landing. A contributing factor was the lack of suitable terrain for the forced landing.
- [NTSB DEN02GA102](https://openairdocs.org/ntsb/DEN02GA102.md): Cessna A185F · Howard, CO · Accident · 1 fatal · Final report · Sep 4, 2002 · N24GS · Destroyed
  > the pilot's failure to maintain clearance of the terrain. Contributing factors were the clear air turbulent weather condition, and the high density altitude condition.
- [NTSB CHI02FA269](https://openairdocs.org/ntsb/CHI02FA269.md): Cessna TR182 · Tappen, ND · Accident · 2 fatal · Field investigation · Final report · Sep 4, 2002 · N756WF · Destroyed
  > The pilot's inadequate visual lookout and his failure to maintain clearance of the transmission wires. Also causal was inadequate preflight planning. Factors associated with the accident were the low altitude and airspeed when the abrupt maneuver was made and…
- [NTSB LAX02LA269](https://openairdocs.org/ntsb/LAX02LA269.md): Cessna 172N · Lakeside, CA · Accident · No injuries · Limited investigation · Final report · Aug 31, 2002 · N739ZV · Substantial damage
  > The failure of the engine to respond for undetermined reasons. Also causal was the student's decision to continue the simulated emergency maneuver to an altitude that was insufficient to allow for contingency options. The unsuitable nature of the terrain…
- [NTSB FTW02LA245](https://openairdocs.org/ntsb/FTW02LA245.md): Air Tractor AT-401 · Hearne, TX · Accident · Minor injuries · Limited investigation · Final report · Aug 30, 2002 · N9193Y · Substantial damage
  > The pilot's failure to maintain clearance with a pump rig while maneuvering during an aerial application flight. A factor was the object.
- [NTSB DEN02LA101](https://openairdocs.org/ntsb/DEN02LA101.md): Bell 206L-III · Canon City, CO · Accident · Serious injuries · Limited investigation · Final report · Aug 30, 2002 · N43GA · Destroyed
  > the pilot's failure to maintain clearance of a static wire, and the subsequent loss of aircraft control due to the main rotor pitch change tubes being severed.
- [NTSB FTW02LA242](https://openairdocs.org/ntsb/FTW02LA242.md): Whittman Tailwind W-8 · Albuquerque, NM · Accident · No injuries · Limited investigation · Final report · Aug 27, 2002 · N3992A · Substantial damage
  > The structural failure and separation of a propeller blade for undetermined reasons. A contributing factor was the lack of suitable terrain available to the pilot to execute a forced landing.
- [NTSB LAX02LA262](https://openairdocs.org/ntsb/LAX02LA262.md): Bell 47G-2 · Oasis, CA · Accident · Serious injuries · Limited investigation · Final report · Aug 25, 2002 · N8478H · Substantial damage
  > the pilot's failure to maintain an adequate visual lookout and clearance with power lines while maneuvering during an aerial application flight.
- [NTSB CHI02LA259](https://openairdocs.org/ntsb/CHI02LA259.md): Air Tractor AT-402A · Cherokee, IA · Accident · Serious injuries · Limited investigation · Final report · Aug 25, 2002 · N9032K · Substantial damage
  > The pilot failed to maintain clearance with the power lines resulting in the rudder separation and the subsequent loss of aircraft control. A factor associated with the accident was the power line that was contacted.
- [NTSB SEA02TA164](https://openairdocs.org/ntsb/SEA02TA164.md): Bell 206L-1 · Wisdom, MT · Accident · No injuries · Final report · Aug 24, 2002 · N832AH · Substantial damage
  > The pilot's failure to maintain clearance from an object while maneuvering. A tree(s) was a factor.
- [NTSB ATL02LA161](https://openairdocs.org/ntsb/ATL02LA161.md): Piper PA-34-200 · Peachtree City, GA · Accident · No injuries · Limited investigation · Final report · Aug 24, 2002 · N55210 · Substantial damage
  > The certified flight instructors failure to feather the propeller in accordance with operating procedures that resulted in loss of altitude and the in-flight collision with terrain.
- [NTSB ATL02FA160](https://openairdocs.org/ntsb/ATL02FA160.md): Beech BE-55 · Jacksboro, TN · Accident · 1 fatal · Field investigation · Final report · Aug 20, 2002 · N132WM · Destroyed
  > Pilot incapacitation due to a heart attack resulting in a loss of control and the subsequent in-flight collision with a lake.
- [NTSB LAX02FA255](https://openairdocs.org/ntsb/LAX02FA255.md): Piper PA-28R-200 · Echo Summit, CA · Accident · 2 fatal · Field investigation · Final report · Aug 19, 2002 · N7794C · Destroyed
  > The pilot's decision to continue the flight into the rising mountainous terrain, and subsequent failure to maintain clearance with the trees. Contributing factors were the rising mountainous terrain, and the high density altitude,
- [NTSB MIA02LA153](https://openairdocs.org/ntsb/MIA02LA153.md): Reviere Vans RV6A · Tampa, FL · Accident · 2 fatal · Limited investigation · Final report · Aug 18, 2002 · N747ES · Destroyed
  > the failure of the pilot to maintain airspeed, which resulted in an inadvertent stall/spin, while maneuvering, and subsequent impact with a concrete wall. A factor in this accident was the impairment of the pilot in command due to the use of prescription…
- [NTSB LAX02LA258](https://openairdocs.org/ntsb/LAX02LA258.md): Cessna 185A · Fillmore, CA · Accident · No injuries · Limited investigation · Final report · Aug 16, 2002 · N4145Y · Substantial damage
  > the pilot's continued visual flight rules flight into instrument meteorological conditions, which resulted in the in-flight collision with terrain during a climb.
- [NTSB DEN02GA097](https://openairdocs.org/ntsb/DEN02GA097.md): Arctic S-1B2 · Meeteetse, WY · Accident · 1 fatal · Final report · Aug 16, 2002 · N71AT · Destroyed
  > the pilot's failure to maintain adequate airspeed, which resulted in an inadvertent stall/spin. A contributing factor was the intentional low pass/slow flight maneuver.
- [NTSB FTW02LA237](https://openairdocs.org/ntsb/FTW02LA237.md): Schweizer SGS 1-26B · Hobbs, NM · Accident · Serious injuries · Limited investigation · Final report · Aug 15, 2002 · N696U · Substantial damage
  > the pilot's inadvertent flight into adverse weather conditions which resulted in the loss of thermal lift. A contributing factor was the lack of suitable terrain for the forced landing.
- [NTSB FTW02FA233](https://openairdocs.org/ntsb/FTW02FA233.md): Cessna 152 · Ithaca, NE · Accident · 1 fatal · Field investigation · Final report · Aug 12, 2002 · N49998 · Destroyed
  > The pilot's intentional flight of the airplane into terrain in an act of suicide.
- [NTSB CHI02LA244](https://openairdocs.org/ntsb/CHI02LA244.md): Piper J3C-65 · Hillman, MI · Accident · 1 fatal · Limited investigation · Final report · Aug 12, 2002 · N6658H · Destroyed
  > The pilot's failure to maintain terrain clearance.
- [NTSB ATL02FA156](https://openairdocs.org/ntsb/ATL02FA156.md): Cessna 182R · Lake City, TN · Accident · 3 fatal · Field investigation · Final report · Aug 10, 2002 · N9307X · Destroyed
  > The pilot's failure to follow procedures pertaining to mountain flying, and the pilot's failure to maintain airspeed that resulted in an inadvertent stall and subsequent in-flight collision with trees and terrain. A factor was the certified flight instructor…
- [NTSB DEN02FA089](https://openairdocs.org/ntsb/DEN02FA089.md): Mooney M20A · Marysvale, UT · Accident · 4 fatal · Field investigation · Final report · Aug 9, 2002 · N1088B · Destroyed
  > the pilot's poor in-flight decision to fly so close to the ridge (looking for animals). Contributing factors were the mountainous terrain condition, the downdraft weather conditions in high mountains, and the high density altitude weather condition.
- [NTSB CHI02LA238](https://openairdocs.org/ntsb/CHI02LA238.md): Schweizer G-164B · Sturgis, MI · Accident · No injuries · Limited investigation · Final report · Aug 7, 2002 · N8444K · Substantial damage
  > The failure of the turbine section of the engine, and the unsuitable terrain encountered for the forced landing. The low altitude was a factor.
- [NTSB FTW02LA230](https://openairdocs.org/ntsb/FTW02LA230.md): Yakovlev YAK 52 · Aledo, TX · Accident · 2 fatal · Limited investigation · Final report · Aug 6, 2002 · N5C · Destroyed
  > The pilot's failure to maintain control of the airplane while performing aerobatics. A contributing factor was the performance of aerobatic maneuvers with low altitude.
- [NTSB ANC02LA092](https://openairdocs.org/ntsb/ANC02LA092.md): Piper PA-18-150 · Tok, AK · Accident · No injuries · Limited investigation · Final report · Aug 6, 2002 · N4122E · Substantial damage
  > The pilot's failure to maintain clearance from terrain and trees during a low pass to examine a potential landing site.
- [NTSB SEA02FA146](https://openairdocs.org/ntsb/SEA02FA146.md): Beech BE-35 · Idaho Falls, ID · Accident · 3 fatal · Field investigation · Final report · Aug 5, 2002 · N82Z · Destroyed
  > The flying pilot's failure to maintain adequate airspeed resulting in a stall/spin. An additional cause was the flight instructor's inadequate supervision of the flight.
- [NTSB SEA02FA145](https://openairdocs.org/ntsb/SEA02FA145.md): Cessna 182A · Emmett, ID · Accident · 2 fatal · Field investigation · Final report · Aug 5, 2002 · N4085D · Substantial damage
  > The pilot's failure to maintain clearance from power transmission lines while maneuvering.
- [NTSB NYC02LA154](https://openairdocs.org/ntsb/NYC02LA154.md): Cessna 152 · Danbury, CT · Accident · Minor injuries · Limited investigation · Final report · Aug 5, 2002 · N89044 · Substantial damage
  > The student pilot's failure to maintain airspeed and the flight instructor's delayed remedial action, which resulted in an inadvertent stall during a simulated forced landing. A factor was the rising terrain.
- [NTSB LAX02LA246](https://openairdocs.org/ntsb/LAX02LA246.md): Aero Commander S2R-T34 · Los Banos, CA · Accident · No injuries · Limited investigation · Final report · Aug 5, 2002 · N8822Q · Substantial damage
  > The pilot's failure to maintain an adequate airspeed while maneuvering, which resulted in an inadvertent stall.
- [NTSB IAD02TA081](https://openairdocs.org/ntsb/IAD02TA081.md): Crawford Widebody Long EZ · Martha's Vineyard, MA · Accident · 1 fatal · Final report · Aug 3, 2002 · N3R · Substantial damage
  > Pilot incapacitation from a massive subarachnoid hemorrhage (stroke.)
- [NTSB MIA02LA143](https://openairdocs.org/ntsb/MIA02LA143.md): Cessna A188B · Indianola, MS · Accident · No injuries · Limited investigation · Final report · Aug 2, 2002 · N4723Q · Substantial damage
  > The failure of the pilot to maintain clearance with a transmission wire resulting in the collision and substantial damage.
- [NTSB FTW02LA223](https://openairdocs.org/ntsb/FTW02LA223.md): Piper PA-36-285 · Altus, OK · Accident · No injuries · Limited investigation · Final report · Aug 2, 2002 · N57597 · Substantial damage
  > The loss of engine power as a result of the fracture of a compressor turbine blade due to fatigue. A contributing factor was the lack of suitable terrain for the forced landing.
- [NTSB FTW02FA222](https://openairdocs.org/ntsb/FTW02FA222.md): Piper PA-28-180 · Gypsum, CO · Accident · 2 fatal · Field investigation · Final report · Aug 1, 2002 · N6444J · Destroyed
  > The pilot's failure to perform remedial action and maintain clearance with the rising mountainous terrain. Contributing factors were the pilot's poor planning/decision, the rising terrain, and the high density altitude.
- [NTSB DEN02GA085](https://openairdocs.org/ntsb/DEN02GA085.md): Aerospatiale SA315B · Estes Park, CO · Accident · 1 fatal · Final report · Jul 31, 2002 · N3978Y · Destroyed
  > the pilot's abrupt collective input during water application to a forest fire. Contributing factors were encountering a vortex ring state, the inadvertent settling with power, the low altitude, and the mountainous terrain.
- [NTSB CHI02LA227](https://openairdocs.org/ntsb/CHI02LA227.md): Jackovich Pitts S1D · Donahue, IA · Accident · No injuries · Limited investigation · Final report · Jul 31, 2002 · N29FJ · Substantial damage
  > A loss of engine power for undetermined reasons.
- [NTSB CHI02LA223](https://openairdocs.org/ntsb/CHI02LA223.md): Cessna A188B · Nickerson, KS · Accident · No injuries · Limited investigation · Final report · Jul 31, 2002 · N9639G · Substantial damage
  > Fuel starvation due to the fuel contamination, the blocked fuel strainer, and the refueling truck's contaminated fuel. A factor was the berm.
- [NTSB ATL02LA146](https://openairdocs.org/ntsb/ATL02LA146.md): WSK PZL Mielec M-18A · Indianola, MS · Accident · 1 fatal · Limited investigation · Final report · Jul 31, 2002 · N6236M · Substantial damage
  > The pilot's failure to maintain airspeed which resulted in a stall and the subsequent uncontrolled collision with the ground while maneuvering for an aerial application run.
- [NTSB LAX02LA243](https://openairdocs.org/ntsb/LAX02LA243.md): Robinson R22 Beta · Fresno, CA · Accident · No injuries · Limited investigation · Final report · Jul 30, 2002 · N4074T · Substantial damage
  > The failure of the flight instructor to ensure maintenance of an adequate terrain clearance altitude while performing low level maneuvers.
- [NTSB FTW02LA221](https://openairdocs.org/ntsb/FTW02LA221.md): Grumman G-164A · New Roads, LA · Accident · Minor injuries · Limited investigation · Final report · Jul 29, 2002 · N48523 · Substantial damage
  > The pilot's failure to maintain adequate airspeed resulting in an inadvertent stall/spin of the airplane.
- [NTSB ATL02LA145](https://openairdocs.org/ntsb/ATL02LA145.md): Cessna 150H · Senoia, GA · Accident · No injuries · Limited investigation · Final report · Jul 28, 2002 · N6486S · Substantial damage
  > The certificated flight instructor's failure to follow published procedures for the application of carburetor heat, which resulted in a loss of engine power due to carburetor ice formation, and subsequent collision with trees during the forced landing. A…
- [NTSB LAX02LA240](https://openairdocs.org/ntsb/LAX02LA240.md): Air Tractor AT-502 · San Manuel, AZ · Accident · Minor injuries · Limited investigation · Final report · Jul 27, 2002 · N293JK · Substantial damage
  > the pilot's failure to maintain adequate airspeed while maneuvering in a box canyon, which resulted in a stall/mush. A factor in the accident was downdraft conditions that led to an uncontrolled decent.
- [NTSB DEN02FA080](https://openairdocs.org/ntsb/DEN02FA080.md): Cessna 177B · Crowheart, WY · Accident · 2 fatal · Field investigation · Final report · Jul 27, 2002 · N34859 · Destroyed
  > the pilot's failure to maintain clearance of the high mountain terrain. Contributing factors were the high mountain terrain, and the high density altitude weather condition.
- [NTSB DEN02LA083](https://openairdocs.org/ntsb/DEN02LA083.md): Cessna 172S · Georgetown, CO · Accident · Minor injuries · Limited investigation · Final report · Jul 26, 2002 · CGKRA · Substantial damage
  > the pilot's inadequate preflight planning for a flight through high mountainous terrain, and the pilot committing himself to a mountainous flight path where terrain clearance was not possible. Contributing factors were the high density altitude weather…
- [NTSB CHI02CA224](https://openairdocs.org/ntsb/CHI02CA224.md): Air Tractor AT-301 · Malta, IL · Accident · Minor injuries · Data collection · Final report · Jul 26, 2002 · N2326S · Substantial damage
  > The probable cause of this accident was fuel exhaustion, due to a failure to properly compute initial fuel quantity and/or fuel consumption.

Next page: https://openairdocs.org/ntsb-phases/450/cases.md?page=99

## 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=98

---
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.
