# NTSB NYC67F0436: Cessna 210, N3940Y, Newburyport, MA, December 17, 1966

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: December 17, 1966
- Place: Newburyport, MA · NEWBURYPORT, MA
- Location: 42.8123° N, 70.8866° W: Placed by OpenAirDocs: center of Newburyport, MA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.8123&lon=-70.8866&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report May 12, 1967
- Report: Brief approved by the director
- NTSB case key (mKey): 119430
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC67F0436
- Page: https://openairdocs.org/ntsb/NYC67F0436

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4351  66/12/17   NEWBURYPORT MASS    CESSNA 210          CR-  0  0  2  INSTRUCTIONAL             COMMERCIAL, AGE 31, 646
        TIME - 1600                    N3940Y              PX-  0  0  0  CHECK                     TOTAL HOURS, 303 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - PLUM ISLAND
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           AIRFRAME - LANDING GEAR: NORMAL RETRACTION/EXTENSION ASSEMBLY
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
        EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING ON AIRPORT
                                  SUSPECTED MECHANICAL DISCREPANCY
        REMARKS- LEFT MAIN LNDG GR ACTUATOR ASSEMBLY SPINDLE, P/N ED11935L, FAILED DUE TO TORSIONAL FATIGUE.
```

## Aircraft

- Registration: [N3940Y](https://openairdocs.org/deregistered/N3940Y-2012-11-14), registration cancelled 2012-11-14, S/N 21058440, built 1964 (OpenAirDocs)
- Reported make and model: CESSNA 210
- Registry model: [Cessna 210D](https://openairdocs.org/model/cessna-210d) (registry code 2073414) (OpenAirDocs)
- Registry engine: [Continental IO-520 series](https://openairdocs.org/engine/continental-io-520-series) (registry code 17032, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Plum Island

## Other investigations on N3940Y (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB NYC73FNC14](https://openairdocs.org/ntsb/NYC73FNC14), Jul 29, 1972: Cessna 210D (N3940Y), Oxford, ME, substantial damage

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

---
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.