# NTSB investigations, 1987, ND: 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.

## Latest cases

- [NTSB DEN88LA017](https://openairdocs.org/ntsb/DEN88LA017.md): Piper J5A · Devils Lake, ND · Accident · No injuries · Limited investigation · Final report · Oct 31, 1987 · N32887 · Substantial damage
  > A commercial plt was giving instruction to another commercial plt with a CFI rating. Witnesses observed the aircraft at approximately 100 feet over a water fowl production lake. The plt stated that during a turn and pull up, the engine lostpower and the…
- [NTSB DEN87DTG02](https://openairdocs.org/ntsb/DEN87DTG02.md): Bell 47G-4A · Minot, ND · Accident · No injuries · Final report · Sep 8, 1987 · N2238W · Substantial damage
  > The plt rprtd that when he took off fm a nrby nurse truck, the wind was fm the NE at 5 to 7 mph. He made an observation pass across the area to be treated, then bgn a dscndg rgt turn to make a swath run in the opposite drctn. He stated he was unaware of a…
- [NTSB DEN87FA224](https://openairdocs.org/ntsb/DEN87FA224.md): Champion 7ECA · Devils Lake, ND · Accident · Serious injuries · Field investigation · Final report · Aug 26, 1987 · N11024 · Destroyed
  > The acft was observed flying at low altitude and circling a farm that belonged to the plt's sister. After making two passes by the farm, the acft crashed in a corn field. The plt said he was looking for a field in which to land, and on the 2nd pass, the acft…
- [NTSB DEN87DTG01](https://openairdocs.org/ntsb/DEN87DTG01.md): Cessna 188 · Valley City, ND · Accident · No injuries · Final report · Aug 4, 1987 · N3530Q · Substantial damage
  > The plt rprtd the eng lost pwr drg a swath run & the acft was dmgd drg a forced lndg in a field of mature sunflowers. An exam of the acft revealed that both fuel tanks & the gascolater contained fuel. Subsequently, the eng was started at the acdnt site & it…
- [NTSB DEN87LA193](https://openairdocs.org/ntsb/DEN87LA193.md): Cessna T188C · Pisek, ND · Accident · Serious injuries · Limited investigation · Final report · Jul 25, 1987 · N2037J · Destroyed
  > The plt was preparing to spray a potato field with a mixture of water and 2 lbs of 'blight-out.' He made one observation pass over the field to check for obstructions and noticed two sets of power lines, one on the east side of a road and the other on the…
- [NTSB DEN87LA190](https://openairdocs.org/ntsb/DEN87LA190.md): Piper PA-25-235 · Fargo, ND · Accident · Minor injuries · Limited investigation · Final report · Jul 21, 1987 · N9750P · Substantial damage
  > The plt was spraying a field with orthine, used to exterminate grasshoppers. The plt said he was making his last pass at the field and was flying into a setting sun. He said he did not see the powerline. The acft struck the powerline and the plt made a crash…
- [NTSB DEN87LA161](https://openairdocs.org/ntsb/DEN87LA161.md): Cessna A188B · Cayuga, ND · Accident · Serious injuries · Limited investigation · Final report · Jun 29, 1987 · N4703R · Destroyed
  > The plt was completing a swath run and struck a power line with the right wing, severing the wing. The aircraft did a snap roll to the right and impacted in a field.
- [NTSB DEN87LA112](https://openairdocs.org/ntsb/DEN87LA112.md): Piper PA-25-260 · Harvey, ND · Accident · Serious injuries · Limited investigation · Final report · Apr 27, 1987 · N9736P · Substantial damage
  > An ag plt was working a field on an aerial application flt. At the end of a spray pass, the acft struck a shelterbelt and went out of control. The acft climbed to 300 ft and rolled inverted. The acft impacted the ground in a nose low, wing down attitude. The…
- [NTSB DEN87LA101](https://openairdocs.org/ntsb/DEN87LA101.md): Boeing A75N1 · Argusville, ND · Accident · Minor injuries · Limited investigation · Final report · Apr 16, 1987 · N63915 · Substantial damage
  > The plt took off with a load of 46-0-0 fertilizer and proceeded to the field to be treated. The plt said when he arrived his flagger was not in position so he initiated a goaround. When the plt had turned 90 deg onto the x-wind leg the acft stalled. The plt…
- [NTSB DEN87FA090](https://openairdocs.org/ntsb/DEN87FA090.md): Bellanca 7GCBC · Berthold, ND · Accident · 1 fatal · Field investigation · Final report · Apr 7, 1987 · N88177 · Destroyed
  > The plt took off to the east from a farm driveway to return home. Witnesses saw the airplane make an immediate right turn, followed by a left turn at aprx 35-50 ft AGL. The acft approached the farm at aprx 50-100 ft AGL. The acft suddenly pulled up, banked…

## 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 year(c."eventDate") = 1987
  AND c."eventStateOrRegion" = 'ND' AND c."eventCountry" = 'USA'
  AND 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?state=ND&year=1987

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