# NTSB investigations: Continental TSIO-520 series, MA

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 ERA26LA246](https://openairdocs.org/ntsb/ERA26LA246.md): Cessna 402 · Provincetown, MA · Accident · Serious injuries · Class 3 · Limited · Preliminary report · Jun 15, 2026 · N499CA · Substantial damage
  > On June 15, 2026, about 0810 eastern daylight time, a Cessna 402C, N499CA, was substantially damaged when it was involved in an accident at Provincetown Municipal Airport (PVC), Provincetown, Massachusetts. The airplane transport pilot (pilot flying) and…
- [NTSB ERA24LA386](https://openairdocs.org/ntsb/ERA24LA386.md): Cessna 402 · Boston, MA · Accident · No injuries · Class 3 · Limited · Final report · Sep 17, 2024 · N18VV · Substantial damage
  > The failure of a solid hydraulic fluid line, which resulted in a loss of hydraulic fluid that prevented the landing gear extension process from completing normally. Contributing to the outcome was the pilot’s failure to fully activate the emergency landing…
- [NTSB ERA23LA106](https://openairdocs.org/ntsb/ERA23LA106.md): Cessna 402 · Mashpee, MA · Accident · No injuries · Class 4 · Limited · Final report · Nov 18, 2022 · N2649Z · Substantial damage
  > The airplane’s impact with a bird while enroute.
- [NTSB ERA21FA354](https://openairdocs.org/ntsb/ERA21FA354.md): Cessna 402C · Provincetown, MA · Accident · Serious injuries · Class 3 · Field · Final report · Sep 9, 2021 · N88833 · Substantial damage
  > The pilot’s delayed decision to perform an aborted landing late in the landing roll with insufficient runway remaining. Contributing to the accident was the pilot’s failure to execute a go-around once the approach became unstabilized, per the operator’s…
- [NTSB ERA21LA197](https://openairdocs.org/ntsb/ERA21LA197.md): Cessna 402C · New Bedford, MA · Accident · No injuries · Class 4 · Limited · Final report · Apr 22, 2021 · N36911 · Substantial damage
  > An inadvertent collision with a bird during descent, resulting in substantial damage to the vertical stabilizer.
- [NTSB ERA20CA100](https://openairdocs.org/ntsb/ERA20CA100.md): Cessna 402 · Barnstable, MA · Accident · No injuries · Data collection · Final report · Feb 12, 2020 · N409BK · Substantial damage
  > The pilot's failure to properly secure the crew hatch door before takeoff, which resulted in the door’s forward hinge assembly tearing from its fuselage mount point.
- [NTSB ERA18LA136](https://openairdocs.org/ntsb/ERA18LA136.md): Cessna 402 · Barre Plains, MA · Accident · No injuries · Limited investigation · Final report · Apr 26, 2018 · N87266 · Substantial damage
  > The pilot's improper decision to land with a tailwind, which resulted in a touchdown with insufficient runway remaining to stop the airplane.
- [NTSB GAA18CA134](https://openairdocs.org/ntsb/GAA18CA134.md): Cessna T303 · Great Barrington, MA · Accident · No injuries · Data collection · Final report · Feb 4, 2018 · N303TL · Substantial damage
  > The pilot’s failure to see the taxiway when returning to the ramp from the snow-covered runway, which resulted in the airplane rolling down an embankment.
- [NTSB GAA18CA071](https://openairdocs.org/ntsb/GAA18CA071.md): Cessna 402 · Hyannis, MA · Accident · No injuries · Data collection · Final report · Dec 4, 2017 · N2748Y · Substantial damage
  > Encounter with a flock of birds during takeoff at night, resulting in multiple bird strikes and structural damage.
- [NTSB ERA12IA550](https://openairdocs.org/ntsb/ERA12IA550.md): Cessna 402C · Nantucket, MA · Incident · No injuries · Incident investigation · Final report · Aug 31, 2012 · N769EA · Minor damage
  > Company maintenance personnel’s failure to comply with the airplane manufacturer’s service instructions by not removing the cracked drag brace from service nor inspecting the repaired drag brace at the appropriate interval, which resulted in the failure of…
- [NTSB ERA09IA267](https://openairdocs.org/ntsb/ERA09IA267.md): Cessna 402C · Nantucket, MA · Incident · No injuries · Incident investigation · Final report · Apr 27, 2009 · N769EA · Minor damage
  > Installation of an improper bearing in the landing gear actuator.
- [NTSB NYC08FA324](https://openairdocs.org/ntsb/NYC08FA324.md): Cessna 402 · Vineyard Haven, MA · Accident · 1 fatal · Field investigation · Final report · Sep 27, 2008 · N770CA · Destroyed
  > A loss of aircraft control due to spatial disorientation.
- [NTSB NYC05IA052](https://openairdocs.org/ntsb/NYC05IA052.md): Cessna 402C · Hyannis, MA · Incident · No injuries · Incident investigation · Final report · Feb 11, 2005 · N403BK · Minor damage
  > The mechanic's inadequate inspection, which failed to discover cracks in the left wing spar around wing station 114.
- [NTSB NYC03FA203](https://openairdocs.org/ntsb/NYC03FA203.md): Cessna 402C · Nantucket, MA · Accident · 1 fatal · Field investigation · Final report · Sep 23, 2003 · N405BK · Substantial damage
  > The pilot's failure to maintain aircraft control during a missed approach. Factors in this accident were fog and the night light conditions.
- [NTSB NYC01LA174](https://openairdocs.org/ntsb/NYC01LA174.md): Piper PA-46-310P · Stow, MA · Accident · Serious injuries · Limited investigation · Final report · Jul 16, 2001 · N9133D · Destroyed
  > The pilot's failure to maintain airplane control during a go-around.
- [NTSB NYC01LA166](https://openairdocs.org/ntsb/NYC01LA166.md): Cessna 402C · Boston, MA · Accident · Minor injuries · Limited investigation · Final report · Jul 8, 2001 · N760EA · Destroyed
  > The pilot's improper decision to waive the wake turbulence hold time, and his subsequent loss of control when wake vortex turbulence was encountered.
- [NTSB NYC01LA004](https://openairdocs.org/ntsb/NYC01LA004.md): Cessna 210 · Marshfield, MA · Accident · Serious injuries · Limited investigation · Final report · Oct 4, 2000 · N6096B · Substantial damage
  > The pilot's improper management of the fuel supply, which resulted in fuel starvation of the engine. A factor in the accident was the pilot's diverted attention to the inclement weather.
- [NTSB NYC97LA183](https://openairdocs.org/ntsb/NYC97LA183.md): Cessna 402C · Nantucket, MA · Accident · No injuries · Limited investigation · Final report · Sep 19, 1997 · N6879Y · Substantial damage
  > the pilot's delayed decision to perform a go-around (missed approach). Related factors were: darkness, low ceiling, fog, and disorientation of the flight crew, while making the approach in conditions of limited visibility.
- [NTSB IAD97IA045](https://openairdocs.org/ntsb/IAD97IA045.md): Cessna 402C · Provincetown, MA · Incident · No injuries · Incident investigation · Final report · Jan 25, 1997 · N121PB · Minor damage
  > the pilot's inadequate inflight planning/decision, and his misjudgment of speed and distance. Related factors were: fog, tailwind, and soft terrain on the overrun area at the end of the runway.
- [NTSB NYC96LA020](https://openairdocs.org/ntsb/NYC96LA020.md): Cessna 414A · Grt Barrington, MA · Accident · No injuries · Limited investigation · Final report · Oct 27, 1995 · N2UD · Substantial damage
  > the pilot's inadequate compensation for wind conditions, which resulted in an undershoot of the proper touchdown point for landing. Factors relating to the accident were: the unfavorable wind conditions and the exposed runway lip.
- [NTSB NYC89LA081](https://openairdocs.org/ntsb/NYC89LA081.md): Cessna 402B · Hyannis, MA · Accident · No injuries · Limited investigation · Final report · Feb 4, 1989 · N49PB · Substantial damage
  > Inadequate preflight planning and preparation by the pilot which resulted in improper weight and balance (aft CG). The aft CG also contributed to the uncommanded altitude deviation after takeoff.
- [NTSB NYC87FA121](https://openairdocs.org/ntsb/NYC87FA121.md): Cessna 402C · Hyannis, MA · Accident · Minor injuries · Field investigation · Final report · Apr 12, 1987 · N87PB · Destroyed
  > Shortly after the initial pwr reduction drg tkof, the plt noted a partial loss of pwr in the rgt eng. He said he 'went to full power on both engines' & noted an 'extremely high' fuel flow indcn to the rgt eng. He said, 'thinking that the engine was flooding,…
- [NTSB NYC70F0128](https://openairdocs.org/ntsb/NYC70F0128.md): Cessna TU206U · Norwood, MA · Accident · No injuries · Closed · Aug 26, 1969 · N734AP · Substantial damage

## 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" = 'MA' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('17040'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=17040&state=MA

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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.