# NTSB investigations, NH: Landing gear collapse

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 ERA23LA302](https://openairdocs.org/ntsb/ERA23LA302.md): Pollock Michael D Velocity 173RG · Lebanon, NH · Accident · No injuries · Class 4 · Limited · Final report · Jul 17, 2023 · N173DT · Substantial damage
  > The pilot’s failure to store the nose landing gear securing bar within reach in the cabin, which resulted in a nose gear collapse following a manual landing gear extension.
- [NTSB ERA20LA344](https://openairdocs.org/ntsb/ERA20LA344.md): Beech B19 · Laconia, NH · Accident · No injuries · Class 4 · Limited · Final report · Sep 20, 2020 · N18778 · Substantial damage
  > The pilot’s improper landing flare, which resulted in a hard, bounced landing and the nose landing gear collapsing.
- [NTSB GAA17CA392](https://openairdocs.org/ntsb/GAA17CA392.md): Piper PA22 · Berlin, NH · Accident · No injuries · Data collection · Final report · Jul 5, 2017 · N6936B · Substantial damage
  > The pilot’s failure to maintain directional control during the landing roll.
- [NTSB GAA17CA052](https://openairdocs.org/ntsb/GAA17CA052.md): Chaudoin George S RV 10 · Portsmouth, NH · Accident · No injuries · Data collection · Final report · Oct 4, 2016 · N710GC · Substantial damage
  > The pilot’s failure to go around after recognizing that the airplane was high and fast, which resulted in a long landing on a wet runway and a runway excursion.
- [NTSB GAA17CA005](https://openairdocs.org/ntsb/GAA17CA005.md): Cessna Ector 305 · Concord, NH · Accident · No injuries · Data collection · Final report · Oct 3, 2016 · N305MR · Substantial damage
  > The pilot’s failure to maintain directional control during the landing roll, which resulted in a ground loop.
- [NTSB ERA13CA271](https://openairdocs.org/ntsb/ERA13CA271.md): Flight Design Ctls · Concord, NH · Accident · No injuries · Data collection · Final report · Jun 5, 2013 · N622BT · Substantial damage
  > The pilot's improper landing flare, which resulted in a hard landing and subsequent main landing gear collapse.
- [NTSB ERA13CA265](https://openairdocs.org/ntsb/ERA13CA265.md): Cessna 180 · Concord, NH · Accident · No injuries · Data collection · Final report · May 31, 2013 · N2724X · Substantial damage
  > The pilot’s delayed remedial action following a loss of directional control during the landing roll.
- [NTSB ERA12LA069](https://openairdocs.org/ntsb/ERA12LA069.md): Grenier Raymond Vans Aircraft RV-8 · Nashua, NH · Accident · No injuries · Limited investigation · Final report · Nov 9, 2011 · N220RG · Substantial damage
  > The right main landing gear collapse due to the overload fracture of the hardware for reasons that could not be determined during postaccident testing and examination.

## 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 c."eventStateOrRegion" = 'NH' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT s.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' s WHERE s."tier2Number" = '094' AND s.case_mkey IN (SELECT case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' WHERE "isDefiningEvent"))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/094/sequence?state=NH

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