# NTSB FTW81FA005: Grum Amer AA-5B, N28252, Madill, OK, October 16, 1980

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: October 16, 1980
- Place: Madill, OK · MADILL, OK
- Location: 34.0871° N, 96.7747° W: Placed by OpenAirDocs: center of Madill, OK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=34.0871&lon=-96.7747&mi=10
- Phase of flight: [Uncontrolled descent](https://openairdocs.org/ntsb-phases/650) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 4 fatal
- Status: Completed, report January 29, 1981
- Report: Brief approved by the director
- NTSB case key (mKey): 127889
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW81FA005
- Page: https://openairdocs.org/ntsb/FTW81FA005

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3266  80/10/16 NR.MADILL,OK          GRUM AMER AA-5B     CR-  1  0  0  NONCOMMERCIAL             PRIVATE, AGE 64, 186
        TIME - 0011                    N28252              PX-  3  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 37 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          ENID,OK                     DALLAS,TX
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - BECAME LOST/DISORIENTED
           PILOT IN COMMAND - SPATIAL DISORIENTATION
        FACTOR(S)
           PERSONNEL - WEATHER PERSONNEL: INADEQUATE/INCORRECT WEATHER BRIEFING
           WEATHER - TURBULENCE, ASSOCIATED W/CLOUDS AND/OR THUNDERSTORMS
           WEATHER - LOW CEILING
        WEATHER BRIEFING - BRIEFED BY FLIGHT SERVICE PERSONNEL, BY PHONE
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          SCATTERED                                                UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          NONE                                                      78
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          170                                                       10
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
        REMARKS- FCST OF DVLPMNT OF CIGS BTWN 800 & 1800FT BKN TO OVC AFTR 2300 NOT PRVDD TO PLT.ARDMORE 1947 WX.
```

## Aircraft

- Registration: [N28252](https://openairdocs.org/deregistered/N28252-1982-11-09), registration cancelled 1982-11-09, S/N AA5B-0969, built 1978 (OpenAirDocs)
- Reported make and model: GRUM AMER AA-5B
- Registry model: [Gulfstream American AA-5B](https://openairdocs.org/model/gulfstream-american-aa-5b) (registry code 3970106) (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 19801016056959A](https://openairdocs.org/incident/19801016056959A), Oct 16, 1980: Grumav AA5B, Madill, OK, Destroyed, 3 fatal. Off-course on night flight. Asked for help. Lost control. Possibly flying intto cloud layer. Vertical ground impact

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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