# NTSB NYC75FNA38: Beech J35, N303S, Bedford, MA, March 29, 1975

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: March 29, 1975
- Place: Bedford, MA · BEDFORD, MA
- Location: 42.4906° N, 71.2762° W: Placed by OpenAirDocs: center of Bedford, MA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.4906&lon=-71.2762&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious, 1 uninjured
- Status: Completed, report June 24, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 148143
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC75FNA38
- Page: https://openairdocs.org/ntsb/NYC75FNA38

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1068  75/3/29    BEDFORD,MA          BEECH J35           CR-  0  1  1  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 1230                    N303S               PX-  0  0  0  DUAL                      AGE 25, 2002 TOTAL HOURS,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            8 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - HANSCOM FIELD
        DEPARTURE POINT             INTENDED DESTINATION
          BEDFORD,MA                  LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           COLLIDED WITH: OBJECT                                    LANDING: ROLL
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: CRANKSHAFT
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        FACTOR(S)
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: HIGH VEGETATION
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING ON AIRPORT/SEAPLANE BASE/HELIPT.
        REMARKS- CRANKSHAFT HAD SEPARATED BTWN NR 1 AND 2 CON ROD BEARING JOURNALS.LNDD IN BRUSH BEYOND END OF RWY.
```

## Aircraft

- Registration: [N303S](https://openairdocs.org/deregistered/N303S-1975-06-05), registration cancelled 1975-06-05, S/N D-5617 (OpenAirDocs)
- Reported make and model: BEECH J35
- Registry model: [Beech J35](https://openairdocs.org/model/beech-j35) (registry code 1151522) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed
- Airport: Hanscom Field

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19750329006299A](https://openairdocs.org/incident/19750329006299A), Mar 29, 1975: Beech J35, Bedford, MA, Substantial damage. Crankshaft had separated btwn nr 1 and 2 con rod bearing journals. Lndd in brush beyond end of rwy.

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.