# NTSB investigations: Lycoming I0360 series, 1999

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 LAX00LA060](https://openairdocs.org/ntsb/LAX00LA060.md): Pitts S-2B · Santa Ana, CA · Accident · No injuries · Limited investigation · Final report · Dec 23, 1999 · N87WA · 2 aircraft · Minor damage
  > The failure of the pilot of the other airplane to maintain an adequate obstruction clearance while taxiing.
- [NTSB FTW00FA052](https://openairdocs.org/ntsb/FTW00FA052.md): Beech D95A · Boyd, TX · Accident · 2 fatal · Field investigation · Final report · Dec 22, 1999 · N456E · Substantial damage
  > The instructor pilot's inadvertent stall/spin.
- [NTSB MIA00WA045](https://openairdocs.org/ntsb/MIA00WA045.md): Beech B95A · Maizal, Dominican Republic · Accident · 1 fatal · Foreign investigation · Dec 9, 1999 · N1291Z · Destroyed
- [NTSB MIA00LA027](https://openairdocs.org/ntsb/MIA00LA027.md): Cessna 172R · Daytona Beach, FL · Accident · No injuries · Limited investigation · Final report · Nov 20, 1999 · N475ER · Substantial damage
  > Was the pilot's improper flare and improper recovery from a bounced landing resulting in a hard landing and damage to the aircraft.
- [NTSB MIA00LA023](https://openairdocs.org/ntsb/MIA00LA023.md): Piper PA-34-200 · Olive Branch, MS · Accident · No injuries · Limited investigation · Final report · Nov 8, 1999 · N56676 · Substantial damage
  > The private-rated student pilots inadvertent retraction of the main landing gear during a touch-and-go landing. Contributing to the accident was the flight instructors improper supervision of the dual student.
- [NTSB FTW00LA022](https://openairdocs.org/ntsb/FTW00LA022.md): Piper PA-28R-200 · Bogalusa, LA · Accident · No injuries · Limited investigation · Final report · Oct 30, 1999 · N2654T · Substantial damage
  > The total loss of engine power as a result of water contamination in the fuel system.
- [NTSB NYC00LA018](https://openairdocs.org/ntsb/NYC00LA018.md): Piper PA-34-200 · Hopedale, MA · Accident · No injuries · Limited investigation · Final report · Oct 25, 1999 · N16397 · Substantial damage
  > The nose landing gear was not locked in the extended position.
- [NTSB DEN00FA009](https://openairdocs.org/ntsb/DEN00FA009.md): Cessna 172R · Aspen, CO · Accident · 1 fatal · Field investigation · Final report · Oct 23, 1999 · N9548A · Substantial damage
  > the pilot's improper decision to fly directly up the center of the valley and not circle climb to gain sufficient terrain clearance altitude. A factor was inadequate route performance planning by the pilot.
- [NTSB SEA00LA004](https://openairdocs.org/ntsb/SEA00LA004.md): Thomson Vans RV-6 · Emmett, ID · Accident · No injuries · Limited investigation · Final report · Oct 20, 1999 · N541JT · Substantial damage
  > The pilot's improper fuel management, resulting in fuel starvation. A factor was the aircraft's low altitude at the time engine power was lost.
- [NTSB NYC00LA008](https://openairdocs.org/ntsb/NYC00LA008.md): Piper PA-28R-200 · Berlin, MD · Accident · Serious injuries · Limited investigation · Final report · Oct 8, 1999 · N56094 · Substantial damage
  > The failure of the number 3-cylinder exhaust valve stem due to fatigue cracking.
- [NTSB LAX99LA287](https://openairdocs.org/ntsb/LAX99LA287.md): Mooney M20J · Emigrant Gap, CA · Accident · Minor injuries · Limited investigation · Final report · Aug 28, 1999 · N4201S · Substantial damage
  > The fatigue failure and separation of the number three cylinder due to the cylinder overhaul facility's improper inspection and quality control processes.
- [NTSB FTW99LA234](https://openairdocs.org/ntsb/FTW99LA234.md): Hughes 269B · Russellville, AR · Accident · Minor injuries · Limited investigation · Final report · Aug 23, 1999 · N44KH · Substantial damage
  > The improper touchdown by the flight instructor.
- [NTSB LAX99FA275](https://openairdocs.org/ntsb/LAX99FA275.md): Mooney M20E · Las Vegas, NV · Accident · 2 fatal · Field investigation · Final report · Aug 20, 1999 · N2654W · Substantial damage
  > The pilot's steep turn at low altitude that resulted in an accelerated stall while in the landing configuration, leading to a loss of control and subsequent ground impact.
- [NTSB NYC99LA202](https://openairdocs.org/ntsb/NYC99LA202.md): Mooney M20E · Prattsburg, NY · Accident · Serious injuries · Limited investigation · Final report · Aug 15, 1999 · N3243F · Destroyed
  > Propeller blade separation, resulting from fatigue cracking initiated by intergranular corrosion. A factor was the lack of propeller blade corrosion inspection requirements.
- [NTSB NYC99FA193](https://openairdocs.org/ntsb/NYC99FA193.md): Piper PA28R-180 · Seven Springs, PA · Accident · 2 fatal · Field investigation · Final report · Aug 8, 1999 · N3892T · Substantial damage
  > The pilot's failure to obtain a rate of climb after takeoff due to spatial disorientation. Factors in this accident were low ceilings, fog, and the pilot's lack experience in instrument meteorological conditions.
- [NTSB CHI99FA278](https://openairdocs.org/ntsb/CHI99FA278.md): Piper PA-28R-200 · Grayslake, IL · Accident · 4 fatal · Field investigation · Final report · Aug 6, 1999 · N56718 · Destroyed
  > the pilot not maintaining altitude and clearance. Factors were the light condition of night, the pilot's lack of recent experience in night operations, and the transmission wire.
- [NTSB DEN00LA109](https://openairdocs.org/ntsb/DEN00LA109.md): Beech A23-24 · Wheatland, WY · Accident · No injuries · Limited investigation · Final report · Aug 4, 1999 · N4789J · Substantial damage
  > The flight instructor's failure to maintain control of the aircraft. Factors were inadequate supervision of the student by the flight instructor and inaccurate judgment by the flight instructor in not having the aircraft examined following the event.
- [NTSB DEN99LA133](https://openairdocs.org/ntsb/DEN99LA133.md): Mooney M20F · Montrose, CO · Accident · Serious injuries · Limited investigation · Final report · Jul 31, 1999 · N9390V · Substantial damage
  > The pilot's inadequate preflight planning and preparation and his failure to maintain clearance from the signpost. A factor was the signpost.
- [NTSB FTW99LA237](https://openairdocs.org/ntsb/FTW99LA237.md): Piper PA-28R-180 · Heber Springs, AR · Accident · No injuries · Limited investigation · Final report · Jul 26, 1999 · N7605J · Substantial damage
  > The pilot's excessive approach airspeed resulting in the airplane overrunning the runway, and his failure to maintain aircraft control during the landing roll.
- [NTSB CHI99LA243](https://openairdocs.org/ntsb/CHI99LA243.md): Mooney M20F · Marshall, MN · Accident · Minor injuries · Limited investigation · Final report · Jul 19, 1999 · N7141V · Substantial damage
  > the inadvertent stall and the checklist not followed by the pilot. Contributing factors were the baggage door not secured and the precautionary landing attempt by the pilot.
- [NTSB FTW99TA190](https://openairdocs.org/ntsb/FTW99TA190.md): Hughes 269C · Houston, TX · Accident · Minor injuries · Final report · Jul 15, 1999 · N7491F · Substantial damage
  > The hard landing as a result of the flight instructor's failure to attain the proper airspeed before simulating an engine failure, which resulted in the development of a high sink rate. Factors were the night illumination and the soft ground.
- [NTSB CHI99LA225](https://openairdocs.org/ntsb/CHI99LA225.md): Mooney M20J · Harbor Springs, MI · Accident · No injuries · Limited investigation · Final report · Jul 4, 1999 · N201HG · Substantial damage
  > the pilot's inadequate compensation for the wind conditions and his failure to maintain clearance with the trees. Factors associated with the accident were the gusty winds, wind shear, and the trees.
- [NTSB CHI99LA217](https://openairdocs.org/ntsb/CHI99LA217.md): Piper PA-28R-200 · Dongola, IL · Accident · No injuries · Limited investigation · Final report · Jul 4, 1999 · N1996T · Substantial damage
  > the failure of the pilot to maintain a proper glidepath on the landing approach, and the failure of the pilot to select a proper touchdown point. Factors to the accident were the lack of runway lights, the dusk light condition, and the ditch.
- [NTSB CHI99LA203](https://openairdocs.org/ntsb/CHI99LA203.md): Cessna 172R · Kokomo, IN · Accident · No injuries · Limited investigation · Final report · Jun 30, 1999 · N2632Y · Substantial damage
  > the student pilot's failure to maintain directional control during landing. Factors to the accident were the pilot's lack of experience and the VOR station.
- [NTSB MIA99LA191](https://openairdocs.org/ntsb/MIA99LA191.md): Mooney M20F · Liberty, NC · Accident · No injuries · Limited investigation · Final report · Jun 29, 1999 · N7114V · Substantial damage
  > Improper inspection of the muffler assembly resulting in erosion going undetected and the rupture of the muffler and shroud while in cruise flight. The condition caused melting of portions of the air induction system, loss of engine power, and the pilot's…
- [NTSB MIA99LA179](https://openairdocs.org/ntsb/MIA99LA179.md): Piper PA-28R-180 · Wimauma, FL · Accident · 1 fatal · Limited investigation · Final report · Jun 13, 1999 · N7485J · No damage
  > a passenger deplaning the airplane while the engine was running struck the propeller.
- [NTSB NYC99LA138](https://openairdocs.org/ntsb/NYC99LA138.md): Enstrom F-28 · Cincinnati, OH · Accident · Minor injuries · Limited investigation · Final report · Jun 12, 1999 · N9588 · Substantial damage
  > The pilot's inadequate evaluation of the weather conditions at the time of departure, which resulted in a downwind takeoff. A factor in the accident was the change in wind direction.
- [NTSB DEN99LA090](https://openairdocs.org/ntsb/DEN99LA090.md): Beech D95A · Englewood, CO · Accident · No injuries · Limited investigation · Final report · May 20, 1999 · N64TA · Substantial damage
  > The collapse of the right main landing gear during landing due to a fatigue crack, in the strut, which had an undetermined origin.
- [NTSB LAX99LA156](https://openairdocs.org/ntsb/LAX99LA156.md): Beech A23-24 · Yerington, NV · Accident · No injuries · Limited investigation · Final report · Apr 18, 1999 · N7965L · Substantial damage
  > The partial loss of engine power due to the pilot's failure to properly lean the engine for the high density altitude takeoff.
- [NTSB NYC99LA093](https://openairdocs.org/ntsb/NYC99LA093.md): Mooney M20E · Brooksville, KY · Accident · 1 fatal · Limited investigation · Final report · Apr 17, 1999 · N1987Y · Substantial damage
  > Contaminated fuel which resulted in the forced landing, and a heart attack from an adrenaline rush that interacted with preexisting coronary disease which resulted in the pilot's death.
- [NTSB IAD99FA038](https://openairdocs.org/ntsb/IAD99FA038.md): Beech BE-95A · Shawsville, VA · Accident · 4 fatal · Field investigation · Final report · Apr 12, 1999 · N3113K · Destroyed
  > the pilot's inadequate preflight planning which resulted in intentional flight into known severe turbulence and the subsequent loss of control. Factors in the accident were the turbulence in instrument meteorological conditions and an airplane loaded over the…
- [NTSB ATL99FA066](https://openairdocs.org/ntsb/ATL99FA066.md): Piper PA-34-200 · Tallahassee, FL · Accident · 1 fatal · Field investigation · Final report · Apr 1, 1999 · N15478 · Destroyed
  > The pilot's failure to maintain flying speed during initial climb which resulted in a stall and uncontrolled collision with terrain.
- [NTSB CHI99LA103](https://openairdocs.org/ntsb/CHI99LA103.md): Cessna 172R · Battle Creek, MI · Accident · No injuries · Limited investigation · Final report · Mar 10, 1999 · N983AV · Substantial damage
  > The pilot's improper flare and failure to maintain directional control. Related factors were the snowbank and lack of total experience.
- [NTSB CHI99LA091](https://openairdocs.org/ntsb/CHI99LA091.md): Cessna 172R · Battle Creek, MI · Accident · No injuries · Limited investigation · Final report · Mar 10, 1999 · N989AV · Substantial damage
  > the loss of directional control by the pilot. Factors to the accident were the lack of total experience of the pilot, the snow covered runway condition, the snowbank, and the flight instructor not verifying the runway snow removal with the Duty Instructor…
- [NTSB CHI99FA101](https://openairdocs.org/ntsb/CHI99FA101.md): Mooney M20F · Cabool, MO · Accident · 1 fatal · Field investigation · Final report · Mar 4, 1999 · N9381M · Destroyed
  > The pilot not maintaining an appropriate airspeed during the turn from base to final resulting in a stall.
- [NTSB MIA99LA091](https://openairdocs.org/ntsb/MIA99LA091.md): Mooney M20J · St. Cloud, FL · Accident · No injuries · Limited investigation · Final report · Feb 25, 1999 · N4671H · Substantial damage
  > The improper installation of the propeller by maintenance personnel resulting in fretting of the face of the propeller hub and fatigue failure of the No. 1 propeller blade. Also, the unsuitable terrain encountered during the descent for the forced landing.
- [NTSB MIA99LA083](https://openairdocs.org/ntsb/MIA99LA083.md): Beech A24R · Philadelphia, MS · Accident · No injuries · Limited investigation · Final report · Feb 13, 1999 · N24624 · Substantial damage
  > The failure of the pilot to ensure the aircraft tie down ropes were free from the aircraft prior to taxiing. This resulted in the aircraft turning uncontrolled when taxi was initiated due to a partially tied left wing, the pilot loosing control of the…

## 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") = 1999
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('41515'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=41515&year=1999

---
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.