# NTSB NYC76AN010: Cessna 402A, N4533Q, Hyannis, MA, July 18, 1975

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 18, 1975
- Place: Hyannis, MA · HYANNIS, MA
- Location: 41.6529° N, 70.2828° W: Placed by OpenAirDocs: center of Hyannis, MA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.6529&lon=-70.2828&mi=10
- Phase of flight: [Taxi](https://openairdocs.org/ntsb-phases/250) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 10 uninjured
- Status: Completed, report September 10, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 149879
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC76AN010
- Page: https://openairdocs.org/ntsb/NYC76AN010

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2102  75/7/18    HYANNIS,MA          CESSNA 402A         CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 25, 1200
        TIME - 1600                    N4533Q              PX-  0  0  9  AIR TAXI-PASSG            TOTAL HOURS, 300 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - BARNESTABLE MUNI
        DEPARTURE POINT             INTENDED DESTINATION
          NEWARK,NJ                   HYANNIS,MA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GEAR RETRACTED                                           TAXI: FROM LANDING
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPER MAINTENANCE (MAINTENANCE PERSONNEL)
           AIRFRAME - LANDING GEAR: GEAR LOCKING MECHANISM
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPER ALIGNMENT/ADJUSTMENT
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        REMARKS- L GR LINKAGE BELLCRANK OUTER BOLT SHEARED.LOCK LINK END FITTING BENT,SHEARED AT END ATTACH FITTING
```

## Aircraft

- Registration: N4533Q (not matched to a registry record)
- Reported make and model: CESSNA 402A
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Barnestable Muni

## 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 19750718026949A](https://openairdocs.org/incident/19750718026949A), Jul 18, 1975: Cessna 402A, Hyannis, MA, Substantial damage. L gr linkage bellcrank outer bolt sheared. Lock link end fitting bent,sheared at end attach fitting

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.