# NTSB DEN74DQA33: Cessna U206, N3403L, Los Alamos, NM, February 28, 1974

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: February 28, 1974
- Place: Los Alamos, NM · LOS ALAMOS, NM
- Location: 35.8940° N, 106.2900° W: Placed by OpenAirDocs: center of Los Alamos, NM, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=35.8940&lon=-106.2900&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report March 28, 1974
- Report: Brief approved by the director
- NTSB case key (mKey): 187054
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN74DQA33
- Page: https://openairdocs.org/ntsb/DEN74DQA33

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0236  74/2/28    LOS ALAMOS,N MEX    CESSNA U206         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 48, 936
        TIME - 2230                    N3403L              PX-  0  0  0  BUSINESS                  TOTAL HOURS, 150 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          LOS LUNAS,N MEX             LOS ALAMOS,N MEX
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           COLLIDED WITH: TREES                                     LANDING: ROLL
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE CONTROLS: THROTTLE-POWER LEVER ASSEMBLIES
           MISCELLANEOUS ACTS,CONDITIONS - DISCONNECTED
        FACTOR(S)
           TERRAIN - HIGH OBSTRUCTIONS
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- THROTTLE LINKAGE SEPARATED AT THROTTLE VALVE.
```

## Aircraft

- Registration: N3403L (not matched to a registry record)
- Reported make and model: CESSNA U206
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage

## 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 19740228003709A](https://openairdocs.org/incident/19740228003709A), Feb 28, 1974: Cessna U206B, Los Alamos, NM, Substantial damage. Throttle linkage separated at throttle valve.

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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