# NTSB investigations: Lycoming IO-720 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 SEA88LA018](https://openairdocs.org/ntsb/SEA88LA018.md): Piper PA-24-400 · Winnemucca, NV · Accident · No injuries · Limited investigation · Final report · Nov 11, 1987 · N400TT · Substantial damage
  > The plt was attempting to land close to the approach end of the rwy. He made the approach with full flaps at 85 mph the rate of descent became excessive and before recovery was affected the acft collided with a fence near the rwy threshold. The acc site was…
- [NTSB NYC87DHD05](https://openairdocs.org/ntsb/NYC87DHD05.md): Piper PA-36-400 · Mullica Hill, NJ · Accident · Minor injuries · Final report · May 23, 1987 · N2412X · Destroyed
  > The pilot of the PA-36 was spraying chemicals on trees for control of the gypsy moth. He reported that he was unable to clear power lines and dumped his load. The aircraft settled to the ground. The FAA reported that the weight of the aircraft exceeded the…
- [NTSB DEN87LA117](https://openairdocs.org/ntsb/DEN87LA117.md): Piper PA-36-375 · Lamar, CO · Accident · No injuries · Limited investigation · Final report · May 1, 1987 · N2335X · Substantial damage
  > The commercial plt was on takeoff from a dirt strip with a fully loaded ag acft, for an aerial application flt. After lifting off prematurely, the acft settled to the rwy. The left wing struck a post skidding the acft to the left. After crossing an irrigation…

## 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 ('41546'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41546&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.