# NTSB NYC74FNA24: Lake LA-4, N7631L, Norwood, MA, October 27, 1973

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: October 27, 1973
- Place: Norwood, MA · NORWOOD, MA
- Location: 42.1874° N, 71.1960° W: Placed by OpenAirDocs: center of Norwood, MA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.1874&lon=-71.1960&mi=10
- Phase of flight: [Taxi](https://openairdocs.org/ntsb-phases/250) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report February 1, 1974
- Report: Brief approved by the director
- NTSB case key (mKey): 187966
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC74FNA24
- Page: https://openairdocs.org/ntsb/NYC74FNA24

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3662  73/10/27   NORWOOD,MASS        LAKE LA-4           CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 42, 140
        TIME - 1155                    N7631L              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 25 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - NORWOOD
        DEPARTURE POINT             INTENDED DESTINATION
          NORWOOD,MASS                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: PARKED AIRCRAFT                           TAXI: TO TAKEOFF
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF BRAKES AND/OR FLIGHT CONTROLS
        FACTOR(S)
           AIRFRAME - LANDING GEAR: BRAKING SYSTEM (NORMAL SYSTEM)
           MISCELLANEOUS - FOREIGN MATERIAL AFFECTING NORMAL OPERATIONS
        REMARKS- OTR PLTS EXPD BRAKE FADE DRG TAXI BACK TO TIEDOWN BRAKES CKD OK.GREASY RESIDUE FOUND ON BRAKE DISC
```

## Aircraft

- Registration: [N7631L](https://openairdocs.org/deregistered/N7631L-1990-08-27), registration cancelled 1990-08-27, S/N 404 (OpenAirDocs)
- Reported make and model: LAKE LA-4
- Registry model: [Lake LA-4](https://openairdocs.org/model/lake-la-4) (registry code 5110302) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Norwood

## 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 19731027036099A](https://openairdocs.org/incident/19731027036099A), Oct 27, 1973: Conaer LA4, Norwood, MA, Substantial damage. Otr plts expd brake fade drg taxi back to tiedown brakes ckd ok. Greasy residue found on brake disc

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.

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