# NTSB MKC66F0216: Aero Cmdr 520, N2604B, Warrensburg, MO, August 27, 1965

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 27, 1965
- Place: Warrensburg, MO · WARRENSBURG, MO
- Location: 38.7613° N, 93.7176° W: Placed by OpenAirDocs: center of Warrensburg, MO, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=38.7613&lon=-93.7176&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 7 uninjured
- Status: Completed, report December 8, 1965
- Report: Brief approved by the director
- NTSB case key (mKey): 175263
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC66F0216
- Page: https://openairdocs.org/ntsb/MKC66F0216-175263

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3177  65/8/27    WARRENSBURG MO      AERO CMDR 520       CR-  0  0  2  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 1330                    N2604B              PX-  0  0  5  DUAL                      AGE 41, 6192 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            71 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - SKY HAVEN
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           COLLIDED WITH: FENCE,FENCEPOSTS                          LANDING: ROLL
        PROBABLE CAUSE(S)
           POWERPLANT - MISCELLANEOUS: POWERPLANT FAILURE FOR UNDETERMINED REASONS
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPER EMERGENCY PROCEDURES
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING ON AIRPORT
        REMARKS- FAILED TO MAINTAIN ADEQUATE HYDRAULIC PRESSURE FOR BRAKES WITH EMERGENCY SYSTEM
```

## Aircraft

- Registration: [N2604B](https://openairdocs.org/deregistered/N2604B-2014-09-25), registration cancelled 2014-09-25, S/N 520-116, built 1953 (OpenAirDocs)
- Reported make and model: AERO CMDR 520
- Registry model: [Aero Commander 520](https://openairdocs.org/model/aero-commander-520) (registry code 0141202) (OpenAirDocs)
- Registry engine: [Lycoming GO-435C&D series](https://openairdocs.org/engine/lycoming-go-435c-d-series) (registry code 41521, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Sky Haven

## Other investigations on N2604B (1)

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.

- [NTSB MIA69F0039](https://openairdocs.org/ntsb/MIA69F0039), May 21, 1968: Aero Comdr 520 (N2604B), Geiger, AL, substantial damage

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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