# NTSB investigations: Lycoming IO-540 series, 1989

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 MKC90LA040](https://openairdocs.org/ntsb/MKC90LA040.md): Piper PA-32-301 · Norfolk, NE · Accident · No injuries · Limited investigation · Final report · Dec 29, 1989 · N8157R · Substantial damage
  > Inproper in-flight planning/decision by the pilot and his delay in diverting to an alternate airport, which resulted in fuel exhaustion due to an inadequate supply of fuel. Factors related to the accident were: the adverse weather conditions, the pilot's lack…
- [NTSB NYC90FA040](https://openairdocs.org/ntsb/NYC90FA040.md): Piper PA-60-602P · Frenchtown, NJ · Accident · 1 fatal · Field investigation · Final report · Dec 21, 1989 · N6894Y · Destroyed
  > The inadequate maintenance and inspection of the turbocharger tailpipe exhaust stack on the right engine by the mechanic(s). The failure of the tailpipe permitted heat from the exhaust to weaken the main spar of the right wing resulting in a catastrophic…
- [NTSB MIA90FA033](https://openairdocs.org/ntsb/MIA90FA033.md): Piper Aerostar 601P · Orlando, FL · Accident · 2 fatal · Field investigation · Final report · Dec 1, 1989 · N6079H · Destroyed
  > Loss of aircraft control during takeoff for an unknown reason which resulted in a collision with the ground.
- [NTSB CHI90LA023](https://openairdocs.org/ntsb/CHI90LA023.md): Piper 601P · Cincinnati, OH · Accident · No injuries · Limited investigation · Final report · Nov 8, 1989 · N601LC · Substantial damage
  > The pilot failed to maintain adequate airspeed while maneuvering to circle and land, which resulted in an inadvertent stall. Factors related to the accident were: the excessive maneuver (steep turn) and terrain conditions (road and curb) short of the runway.
- [NTSB ANC89LA139](https://openairdocs.org/ntsb/ANC89LA139.md): Maule M-5 · Nebesna Glacier, AK · Accident · No injuries · Limited investigation · Final report · Aug 10, 1989 · N5644W · Substantial damage
  > The pilot allowed the aircraft to inadvertently touch down, he delayed making a go-around, and he did not maintain sufficient speed to continue the go-around. Contributing factors were: the pilot's selection of unsuitable terrain, high vegetation in the…
- [NTSB DEN89LA181](https://openairdocs.org/ntsb/DEN89LA181.md): Callair A-9 · Cartwright, ND · Accident · No injuries · Limited investigation · Final report · Jul 28, 1989 · N8246H · Substantial damage
  > A total loss of power due to an improperly adjusted carburetor which resulted in an excessive rich fuel-air mixture. This required a forced landing in an area where no suitable terrain existed.
- [NTSB CHI89LA139](https://openairdocs.org/ntsb/CHI89LA139.md): Piper PA-32-301 · Grayslake, IL · Accident · No injuries · Limited investigation · Final report · Jul 15, 1989 · N8301F · Substantial damage
  > The pilot's improper flare and recovery from a bounced landing, and his failure to go around (when there was sufficient speed and runway remaining). A contributing factor was his lack of recent experience in type of aircraft.
- [NTSB CHI89LA110](https://openairdocs.org/ntsb/CHI89LA110.md): Maule MX-7-235 · Indianapolis, IN · Accident · No injuries · Limited investigation · Final report · Jun 17, 1989 · N12VR · Substantial damage
  > Improper compensation for wind conditions by the pilot, his failure to maintain runway alignment, and his misjudgement of wingtip clearance above the ground as he was maneuvering to avoid the runway & VASI lights. The crosswind and runway/vasi lights were…
- [NTSB MIA89FA113](https://openairdocs.org/ntsb/MIA89FA113.md): Piper Aerostar 600 · Jacksonville, FL · Accident · 1 fatal · Field investigation · Final report · Mar 23, 1989 · N77BR · Destroyed
  > Improper use of the IFR procedure by the pilot, his failure to maintain a proper glide path, and his failure to identify the decision height.
- [NTSB NYC89FA093](https://openairdocs.org/ntsb/NYC89FA093.md): Piper PA-31-350 · Toms River, NJ · Accident · No injuries · Field investigation · Final report · Mar 2, 1989 · N40978 · Substantial damage
  > Failure of the pilot to maintain airspeed and control of the aircraft, and his exceeding the design stress limits of the aircraft. Factors related to the accident were: autoplt malfunction due to improper installation by maintenance personnel and the pilot's…
- [NTSB FTW89DQA01](https://openairdocs.org/ntsb/FTW89DQA01.md): Intermountain Mfg. Callair A-9B · El Paso, TX · Accident · Minor injuries · Final report · Feb 26, 1989 · N375MC · Substantial damage
  > Engine failure due to the pilot's failure to select the fullest tanks and, failure to maintain adequate flying speed.

## 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") = 1989
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41530', '41585'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41530&year=1989

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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.
