# NTSB OAK78FVD05: Marske Monarc, N4477M, Lodi, CA, October 30, 1977

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: October 30, 1977
- Place: Lodi, CA · LODI, CA
- Location: 38.1216° N, 121.2908° W: Placed by OpenAirDocs: center of Lodi, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=38.1216&lon=-121.2908&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious
- Status: Completed, report December 1, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 201256
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK78FVD05
- Page: https://openairdocs.org/ntsb/OAK78FVD05-201256

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3349  77/10/30   LODI,CA             MARSKE MONARC       CR-  0  1  0  MISCELLANEOUS             COMMERCIAL, AGE 46, 5400
        TIME - 1400                    N4477M              PX-  0  0  0  TEST                      TOTAL HOURS, 1 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - KINGDOM
        DEPARTURE POINT             INTENDED DESTINATION
          LODI,CA                     LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: UNCONTROLLED                TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           MISCELLANEOUS - UNDETERMINED
        FACTOR(S)
           MISCELLANEOUS - VORTEX TURBULENCE
        REMARKS- SINGLE WHEEL ULTRALIGHT SAILPLANE,POSSIBLE LONGITUDINAL INSTABILITY.FIRST AIR TOW.
```

## Aircraft

- Registration: [N4477M](https://openairdocs.org/deregistered/N4477M-1977-12-20), registration cancelled 1977-12-20, S/N 20 (OpenAirDocs)
- Reported make and model: MARSKE MONARC
- Registry model: [Cunningham MONARCH](https://openairdocs.org/model/cunningham-monarch) (registry code 05647N2) (OpenAirDocs)
- Category: Glider, amateur-built
- Engines: none
- Damage: Destroyed
- Airport: Kingdom

## 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 19771030033779A](https://openairdocs.org/incident/19771030033779A), Oct 30, 1977: Amtr 0560310, Lodi, CA, Destroyed. Single wheel ultralight sailplane,possible longitudinal instability. First air tow.

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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