# NTSB NYC73AN049: Cessna 337, N1811M, Laconia, NH, August 21, 1972

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 21, 1972
- Place: Laconia, NH · LACONIA, NH
- Location: 43.5765° N, 71.4823° W: Placed by OpenAirDocs: center of Laconia, NH, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=43.5765&lon=-71.4823&mi=10
- Phase of flight: [Standing](https://openairdocs.org/ntsb-phases/150) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 7 uninjured
- Status: Completed, report March 21, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 168372
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC73AN049
- Page: https://openairdocs.org/ntsb/NYC73AN049

## NTSB brief (aircraft 2)

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3316  72/8/21    LACONIA,NH          PIPER PA-31         CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 52, 6665
        TIME - 0600                    N9259Y              PX-  0  0  5  COMMUTER AIR CARRIER      TOTAL HOURS, 1425 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  1  AIR TAXI-PASSG S-D        TYPE, INSTRUMENT RATED.
        NAME OF AIRPORT - LACONIA
        DEPARTURE POINT             INTENDED DESTINATION
          LACONIA,NH                  BOSTON,MASS
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH AIRCRAFT: BOTH ON GROUND                  TAXI: TO TAKEOFF
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO SEE AND AVOID OTHER AIRCRAFT
        FACTOR(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           MISCELLANEOUS ACTS,CONDITIONS - WINDSHIELD,DIRTY,FOGGY,ETC.-RESTRICTED VISION
           MISCELLANEOUS ACTS,CONDITIONS - SUNGLARE
        REMARKS- CONDENSATION ON WINDSHIELD,TAXIING EAST,HIT C-337.
```

## NTSB brief (aircraft 1)

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3316  72/8/21    LACONIA,NH          CESSNA 337          CR-  0  0  1  MISCELLANEOUS             COMMERCIAL, AGE 30, 6510
        TIME - 0600                    N1811M              PX-  0  0  0  DEMONSTRATION             TOTAL HOURS, 53 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  6                            INSTRUMENT RATED.
        NAME OF AIRPORT - LACONIA MUNI
        DEPARTURE POINT             INTENDED DESTINATION
          LACONIA,NH                 UNKNOWN/NOT REPORTED
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH AIRCRAFT: BOTH ON GROUND                  STATIC: ENGINE RUNUP
        PROBABLE CAUSE(S)
           PERSONNEL - MISCELLANEOUS-PERSONNEL: PILOT OF OTHER AIRCRAFT
```

## Aircraft 1

- Registration: [N1811M](https://openairdocs.org/deregistered/N1811M-1994-03-29), registration cancelled 1994-03-29, S/N 33701411 (OpenAirDocs)
- Reported make and model: CESSNA 337
- Registry model: [Cessna 337F](https://openairdocs.org/model/cessna-337f) (registry code 2075725) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Laconia Muni

## Aircraft 2

- Registration: N9259Y (not matched to a registry record)
- Reported make and model: PIPER PA-31
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Laconia

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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