# NTSB investigations: Piper PA-18-150, 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 SEA00LA018](https://openairdocs.org/ntsb/SEA00LA018.md): Piper PA18 · Malheur City, OR · Accident · Minor injuries · Limited investigation · Final report · Nov 13, 1999 · N82553 · Destroyed
  > The pilot's excessive descent rate during an attempted precautionary landing. Factors include the pilot's intentional operation of his aircraft with a known electrical system deficiency, a malfunction of the electrical system while in flight, the pilot's…
- [NTSB DEN00LA014](https://openairdocs.org/ntsb/DEN00LA014.md): Piper PA-18-150 · Bullfrog, UT · Accident · No injuries · Limited investigation · Final report · Nov 2, 1999 · N4285Z · Substantial damage
  > The pilot-in-command's failure to maintain directional control of the aircraft during landing roll. Factors were the pilot's lack of total experience in type of aircraft and the fence.
- [NTSB ANC00LA011](https://openairdocs.org/ntsb/ANC00LA011.md): Piper PA-18-150 · Seward, AK · Accident · No injuries · Limited investigation · Final report · Oct 19, 1999 · N8918Y · Substantial damage
  > The pilot's inadequate compensation for wind conditions. Factors associated with the accident were a crosswind, and a downdraft.
- [NTSB FTW00LA010](https://openairdocs.org/ntsb/FTW00LA010.md): Piper PA-18-150 · Granite, OK · Accident · Serious injuries · Limited investigation · Final report · Oct 11, 1999 · N4473A · Substantial damage
  > Corrosion failure of the fuselage support tubing below the right wing forward attach fitting due to inadequate maintenance.
- [NTSB DEN99LA172](https://openairdocs.org/ntsb/DEN99LA172.md): Piper PA-18-150 · Telluride, CO · Accident · No injuries · Limited investigation · Final report · Sep 30, 1999 · N3799Z · Substantial damage
  > An encounter with a sudden tailwind gust windshift during landing roll, resulting in an inadvertent ground loop.
- [NTSB ANC99LA133](https://openairdocs.org/ntsb/ANC99LA133.md): Piper PA-18 · Kenai, AK · Accident · Minor injuries · Limited investigation · Final report · Sep 5, 1999 · N3903Z · Substantial damage
  > The pilot's inadvertent stall. A factor was the intentional low altitude maneuvering by the pilot.
- [NTSB NYC99LA218](https://openairdocs.org/ntsb/NYC99LA218.md): Piper PA-18-150 · Greenville, ME · Accident · Minor injuries · Limited investigation · Final report · Sep 2, 1999 · N2584P · Substantial damage
  > The pilot in command's inattentive management of the fuel supply.
- [NTSB NYC99FA210](https://openairdocs.org/ntsb/NYC99FA210.md): Piper PA-18-150 · Saddle Island, ME · Accident · 1 fatal · Field investigation · Final report · Aug 24, 1999 · N98PK · Substantial damage
  > The pilot's failure to maintain altitude/clearance from trees.
- [NTSB CHI99LA308](https://openairdocs.org/ntsb/CHI99LA308.md): Piper PA-18-150 · Granite City, IL · Accident · No injuries · Limited investigation · Final report · Aug 21, 1999 · N90904 · Substantial damage
  > Loss of power for undetermined reason(s) and the rough/uneven.
- [NTSB ANC99LA121](https://openairdocs.org/ntsb/ANC99LA121.md): Piper PA-18 · Sleetmute, AK · Accident · Minor injuries · Limited investigation · Final report · Aug 20, 1999 · N82905 · Substantial damage
  > The pilot's selection of an unsuitable takeoff area, which resulted in the airplane colliding with vegetation, knocking the gascolator off the airplane, and fuel starvation of the engine.
- [NTSB ANC99LA119](https://openairdocs.org/ntsb/ANC99LA119.md): Piper PA-18 · Seward, AK · Accident · No injuries · Limited investigation · Final report · Aug 17, 1999 · N8841Y · Substantial damage
  > The pilot's selection of unsuitable terrain for landing. A factor was soft sand.
- [NTSB SEA99LA132](https://openairdocs.org/ntsb/SEA99LA132.md): Piper PA-18-150 · Big Creek, ID · Accident · No injuries · Limited investigation · Final report · Jul 31, 1999 · N6741L · Substantial damage
  > The pilot-in-command's improper remedial action (continued takeoff). Contributing factors were the tree and control interference (inadvertent brake activation) by the passenger..
- [NTSB DEN99LA124](https://openairdocs.org/ntsb/DEN99LA124.md): Piper PA-18-150 · Lamar, CO · Accident · No injuries · Limited investigation · Final report · Jul 20, 1999 · N400MA · Substantial damage
  > The left brake locked during takeoff roll for undetermined reasons.
- [NTSB ANC99LA094](https://openairdocs.org/ntsb/ANC99LA094.md): Piper PA-18 · Teller, AK · Accident · No injuries · Limited investigation · Final report · Jul 19, 1999 · N3675P · Substantial damage
  > The pilot's improper starting procedure.
- [NTSB SEA99LA118](https://openairdocs.org/ntsb/SEA99LA118.md): Piper PA-18-150 · Opheim, MT · Accident · 1 fatal · Limited investigation · Final report · Jul 14, 1999 · N4385Z · Substantial damage
  > The pilot's failure to maintain an airspeed above stall speed (Vs), resulting in a stall/mush into the terrain during a course reversal at the end of an aerial application run. Factors include hilly terrain and high density altitude.
- [NTSB NYC99LA164](https://openairdocs.org/ntsb/NYC99LA164.md): Piper PA-18-150 · New Castle, VA · Accident · Serious injuries · Limited investigation · Final report · Jul 3, 1999 · N4494Z · Substantial damage
  > The pilot tookoff with the fuel tank selector in an improper position (OFF), resulting in fuel starvation.
- [NTSB DEN99LA111](https://openairdocs.org/ntsb/DEN99LA111.md): Piper PA-18-150 · Boulder, CO · Accident · No injuries · Limited investigation · Final report · Jul 1, 1999 · N4785F · Substantial damage
  > The pilot's failure to maintain control of the aircraft during landing roll.
- [NTSB ANC99LA075](https://openairdocs.org/ntsb/ANC99LA075.md): Piper PA-18 · Big Lake, AK · Accident · Serious injuries · Limited investigation · Final report · Jun 11, 1999 · N2668P · Substantial damage
  > The pilot's inadvertent stall during takeoff. Factors associated with the accident are wind gusts and turbulence.
- [NTSB FTW99LA146](https://openairdocs.org/ntsb/FTW99LA146.md): Piper PA-18-150 · Palacios, TX · Accident · No injuries · Limited investigation · Final report · May 21, 1999 · N9670P · Substantial damage
  > The pilot's failure to maintain clearance with terrain. A factor was the high vegetation.
- [NTSB ANC99TA061](https://openairdocs.org/ntsb/ANC99TA061.md): Piper PA-18 · Nome, AK · Accident · No injuries · Final report · May 15, 1999 · N7051 · Substantial damage
  > The pilot's failure to maintain directional control during landing. A factor in this accident was the crosswind.
- [NTSB SEA99LA056](https://openairdocs.org/ntsb/SEA99LA056.md): Piper PA-18-150 · Salem, OR · Accident · No injuries · Limited investigation · Final report · May 9, 1999 · N7483L · Substantial damage
  > The pilot's improper decision not to apply carburetor heat during a reduced power descent in conditions conducive to carburetor icing. Factors include weather conditions conducive to carburetor icing, and high vegetation and a fence post in the area where the…
- [NTSB SEA99LA050](https://openairdocs.org/ntsb/SEA99LA050.md): Piper PA-18 · Boulder, MT · Accident · No injuries · Limited investigation · Final report · Apr 10, 1999 · N4036E · Substantial damage
  > The pilot-in-command's failure to maintain directional control after encountering a dust-devil during landing rollout, resulting in a ground loop and collapse of the main landing gear. Factors include the dust-devil.
- [NTSB DEN99LA052](https://openairdocs.org/ntsb/DEN99LA052.md): Piper PA-18 · Leadville, CO · Accident · No injuries · Limited investigation · Final report · Mar 14, 1999 · N90995 · Substantial damage
  > The pilot's inadequate compensation for the gusty crosswind conditions. A factor was the gusting crosswind
- [NTSB ANC99TA026](https://openairdocs.org/ntsb/ANC99TA026.md): Piper PA-18-150 · Anchorage, AK · Accident · No injuries · Final report · Feb 3, 1999 · N7875D · Substantial damage
  > The pilot's use of excessive taxispeed. Factors associated with the accident were an icy taxi area, and the inadvertent activation of the throttle.

## 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.aircraft_model_code IN ('7101828', '7104221', '7102835'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=7101828&year=1999

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