# NTSB OAK70F0211: Aero Comdr 500-B, N890CP, Montague, CA, July 21, 1969

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: July 21, 1969
- Place: Montague, CA · MONTAGUE, CA
- Location: 41.7271° N, 122.5305° W: Placed by OpenAirDocs: center of Montague, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.7271&lon=-122.5305&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 5 serious
- Status: Completed, report April 23, 1970
- Report: Brief approved by the director
- NTSB case key (mKey): 163654
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK70F0211
- Page: https://openairdocs.org/ntsb/OAK70F0211

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3722  69/7/21    MONTAGUE,CALIF      AERO COMDR 500-B    CR-  0  1  0  NONCOMMERCIAL             PRIVATE, AGE 52, 7420
        TIME - 0840                    N890CP              PX-  0  4  0  BUSINESS                  TOTAL HOURS, 420 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - MONTAGUE
        DEPARTURE POINT             INTENDED DESTINATION
          MONTAGUE,CALIF              WILLOW CREEK,CALIF
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: INITIAL CLIMB
           STALL: MUSH                                              TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           POWERPLANT - MISCELLANEOUS: POWERPLANT FAILURE FOR UNDETERMINED REASONS
           PILOT IN COMMAND - PREMATURE LIFT-OFF
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - INTENTIONAL WHEELS-UP
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        REMARKS- R ENG FAILED. PLT ROTATED PRIOR TO REACHING SAFE SINGLE ENG SPEED.
```

## Aircraft

- Registration: [N890CP](https://openairdocs.org/deregistered/N890CP-2013-07-29), registration cancelled 2013-07-29, S/N 500B-875-2 (OpenAirDocs)
- Reported make and model: AERO COMDR 500-B
- Registry model: [Aero Commander 500-B](https://openairdocs.org/model/aero-commander-500-b) (registry code 0141106) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Montague

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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