# NTSB investigations, 1986: Altitude deviation,uncontrolled

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 ATL87FA030](https://openairdocs.org/ntsb/ATL87FA030.md): Piper Aerostar 601P · Clinton, NC · Accident · 4 fatal · Field investigation · Final report · Nov 26, 1986 · N122FP · Destroyed
  > While en route on an IFR flt plan at FL180, the plt acknowledged instructions to dscnd to 16,000'. Later, the radar controller (cltr) noticed the acft had deviate fm course & was not replying with mode 'c' alt info. The ctlr reqd alt info & the plt responded,…
- [NTSB LAX86LA323](https://openairdocs.org/ntsb/LAX86LA323.md): Beech 35R · Sun City West, AZ · Accident · Serious injuries · Limited investigation · Final report · Aug 15, 1986 · N3371V · Substantial damage
  > A Beechcraft BE-35R lost alt during initial climb and collided with the ground after takeoff from a private airstrip. The plt described the takeoff as normal until he reached an alt of 100 to 125 ft AGL and started to turn left. The plt stated, 'the aircraft…
- [NTSB LAX86LA312](https://openairdocs.org/ntsb/LAX86LA312.md): Mooney M20F · Cloverdale, CA · Accident · No injuries · Limited investigation · Final report · Jul 5, 1986 · N6762V · Substantial damage
  > The acft collided with wires following a loss of control. The plt indicated that he was following a river at 1,500 ft MSL at a slow airspeed when the stall warning sounded. The plt stated that he lowered the nose in a downdraft and recovered close to the…
- [NTSB NYC86MA148](https://openairdocs.org/ntsb/NYC86MA148.md): Sikorsky S-76B · Sutton, MA · Accident · 4 fatal · Major investigation · Final report · Jun 6, 1986 · N5AZ · Destroyed
  > About 16 min after takeoff, while cruising at 6000' MSL in IMC, the plt transmitted 'Sikorsky 507' (call sign of acft hefrequently flew). The ATC ctlr was talking to another flt & did not respond. About 1 min later, rdo & radar contact werelost & the…
- [NTSB ANC86LA051](https://openairdocs.org/ntsb/ANC86LA051.md): Piper PA-22 · Chugiak, AK · Accident · Minor injuries · Limited investigation · Final report · Apr 28, 1986 · N3438A · Substantial damage
  > While flying in the mountains at about 5000 feet MSL (200 feet AGL), the airplane encountered a downdraft, causing it to crash on a glacier. Pilot estimated the winds to be about 10 knots.
- [NTSB CHI86LA081](https://openairdocs.org/ntsb/CHI86LA081.md): Cessna 150M · Marengo, OH · Accident · Serious injuries · Limited investigation · Final report · Feb 2, 1986 · N2942V · Destroyed
  > The plt was relying on his loran c for navigation when he decided to alter his destination to Delaware municipal arpt due to adverse winds and turbulence. He had been checking his charts for obstructions when the acft collided with trees in a wooded area…

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
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") = 1986
  AND c."mKey" IN (SELECT o.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o."occurrenceNumber" = 1 AND o."occurrenceCode" = 110)
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?occurrence=110&year=1986

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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.