# NTSB IAD76AI007: Beech A35, N559B, Mumford, AL, August 10, 1975

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: August 10, 1975
- Place: Mumford, AL · MUMFORD, AL
- Phase of flight: [Uncontrolled descent](https://openairdocs.org/ntsb-phases/650) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 2 fatal
- Status: Completed, report September 11, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 150196
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=IAD76AI007
- Page: https://openairdocs.org/ntsb/IAD76AI007

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2327  75/8/10    MUMFORD,AL          BEECH A35           CR-  1  0  0  NONCOMMERCIAL             PRIVATE, AGE 33, 142
        TIME - 1205                    N559B               PX-  1  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 34 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          MACON,GA                    TELLADEGA,AL                 LA GRANGE,GA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - CONTINUED VFR FLIGHT INTO ADVERSE WEATHER CONDITIONS
           PILOT IN COMMAND - SPATIAL DISORIENTATION
        FACTOR(S)
           WEATHER - LOW CEILING
           WEATHER - RAIN
           WEATHER - FOG
           WEATHER - THUNDERSTORM ACTIVITY
        WEATHER BRIEFING - BRIEFED BY FLIGHT SERVICE PERSONNEL, BY PHONE
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          BROKEN                                                    700
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          2 MILES OR LESS                                           RAIN, THUNDERSTORM
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          FOG                                                       77
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          IFR                                                      NONE
        REMARKS- ACFT OBSVD COME OUT OF THE BOTTOM OF A THUNDERSTORM IN A DIVE.
```

## Aircraft

- Registration: [N559B](https://openairdocs.org/deregistered/N559B-1975-10-23), registration cancelled 1975-10-23, S/N D-1579 (OpenAirDocs)
- Reported make and model: BEECH A35
- Registry model: [Beech A35](https://openairdocs.org/model/beech-a35) (registry code 1151504) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed

## 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 19750810029309A](https://openairdocs.org/incident/19750810029309A), Aug 10, 1975: Beech A35, Mumford, AL, Destroyed, 1 fatal. Acft obsvd come out of the bottom of a thunderstorm in a dive.

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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