# NTSB investigations: Lycoming HIO-360 series, 1987

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 SEA88LA022](https://openairdocs.org/ntsb/SEA88LA022.md): Hughes 269B · Las Vegas, NV · Accident · Minor injuries · Limited investigation · Final report · Nov 24, 1987 · N22730 · Destroyed
  > During practice autorotation the pilot flared excessively high and the tail boom struck the ground. The pilot then lost control of the aircraft. The density alt was 2616 feet. A rt quartering tailwind was present.
- [NTSB NYC88LA018](https://openairdocs.org/ntsb/NYC88LA018.md): Enstrom F-28C · Laconia, NH · Accident · No injuries · Limited investigation · Final report · Oct 25, 1987 · N51699 · Substantial damage
  > The plt rprtd he was demonstrating a full touchdown autorotation in winds that were from 290 deg at 15 gusting 20 KTS. He stated the touchdown was soft with a lot of pitch pulled in; however, as he lowered the collective after touchdown, the retreating blade…
- [NTSB LAX87LA339](https://openairdocs.org/ntsb/LAX87LA339.md): Hughes 269C · Freemont, CA · Accident · Minor injuries · Limited investigation · Final report · Sep 17, 1987 · N1101K · Substantial damage
  > The purpose of the flt was to provide instruction to a foreign national, who held a U.S. Private helicopter rating. The instructor (CFI) rprtd that during a practice autorotation, he announced twice for the student to flare as the helicopter was passing thru…
- [NTSB CHI87LA150](https://openairdocs.org/ntsb/CHI87LA150.md): Hughes 300C · Aurora, IL · Accident · No injuries · Limited investigation · Final report · Jun 17, 1987 · N3625B · Substantial damage
  > While the student & instructor (CFI) were on an instructional flt, a decision was made to practice an autorotation & simulated tail rotor failure. Rprtdly, a smooth touchdown was made, but the helicopter began to vibrate. The CFI electedto get the helicopter…
- [NTSB MIA87LA089](https://openairdocs.org/ntsb/MIA87LA089.md): Hughes 269A · Jacksonville, FL · Accident · No injuries · Limited investigation · Final report · Feb 20, 1987 · N90270 · Substantial damage
  > The instructor plt was demonstrating a hovering autorotation landing with forward movement, when, after the throttle was closed, the helicopter hung in the air. Forward cyclic was then applied when he realized that the rotor RPM began to deteriorate. The…
- [NTSB CHI87LA072](https://openairdocs.org/ntsb/CHI87LA072.md): Enstrom F-28A · Martinsville, IN · Accident · No injuries · Limited investigation · Final report · Jan 31, 1987 · N9257 · Destroyed
  > While landing to the east the plt was blinded by the sun and the acft struck telephone wires.

## 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") = 1987
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41524'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41524&year=1987

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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.