# NTSB MKC66F0430: Cessna 310B, N6623B, Springfield, MO, February 13, 1966

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: February 13, 1966
- Place: Springfield, MO · SPRINGFIELD, MO
- Location: 37.2153° N, 93.2982° W: Placed by OpenAirDocs: center of Springfield, MO, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.2153&lon=-93.2982&mi=10
- Phase of flight: [Emergency descent](https://openairdocs.org/ntsb-phases/600) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report November 3, 1966
- Report: Brief approved by the director
- NTSB case key (mKey): 172852
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC66F0430
- Page: https://openairdocs.org/ntsb/MKC66F0430

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2487  66/2/13  NR.SPRINGFIELD MO     CESSNA 310B         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 45, 3100
        TIME - 1500                    N6623B              PX-  0  0  1  BUSINESS                  TOTAL HOURS, 725 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           AIRFRAME FAILURE: IN FLIGHT                              IN FLIGHT: EMERGENCY DESCENT
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - EXCEEDED DESIGNED STRESS LIMITS OF AIRCRAFT
        FACTOR(S)
           SYSTEMS - AUTO PILOT: GYROS
        EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING ON AIRPORT
                                  SUSPECTED OR KNOWN AIRCRAFT DAMAGE
        REMARKS- AUTOPILOT ATTITUDE GYRO ROTOR BEARING FAILED, RECOVERY MADE AFTER AUTOPILOT WAS DISENGAGED.
```

## Aircraft

- Registration: [N6623B](https://openairdocs.org/deregistered/N6623B-1986-01-03), registration cancelled 1986-01-03, S/N 35723 (OpenAirDocs)
- Reported make and model: CESSNA 310B
- Registry model: [Cessna 310B](https://openairdocs.org/model/cessna-310b) (registry code 2074208) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: 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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