# NTSB SEA76AS059: Grum Amer AA-5A, N9724U, Boise, ID, July 5, 1976

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: July 5, 1976
- Place: Boise, ID · BOISE, ID
- Location: 43.6135° N, 116.2035° W: Placed by OpenAirDocs: center of Boise, ID, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=43.6135&lon=-116.2035&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 5 fatal
- Status: Completed, report August 27, 1976
- Report: Brief approved by the director
- NTSB case key (mKey): 154327
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA76AS059
- Page: https://openairdocs.org/ntsb/SEA76AS059

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1869   76/7/5  NR.BOISE,ID           GRUM AMER AA-5A     CR-  1  0  0  NONCOMMERCIAL             PRIVATE, AGE 53, UNK/NR
        TIME - 2110                    N9724U              PX-  4  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 0 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
         BOISE,ID                     LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: CONTROLLED                  IN FLIGHT: ACROBATICS
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - EXERCISED POOR JUDGMENT
           PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS
           MISCELLANEOUS ACTS,CONDITIONS - UNWARRANTED LOW FLYING
        FACTOR(S)
           PILOT IN COMMAND - PHYSICAL IMPAIRMENT
           MISCELLANEOUS ACTS,CONDITIONS - ALCOHOLIC IMPAIRMENT OF EFFICIENCY AND JUDGMENT
           WEATHER - HIGH DENSITY ALTITUDE
           MISCELLANEOUS ACTS,CONDITIONS - SUNGLARE
           PILOT IN COMMAND - LACK OF FAMILIARITY WITH AIRCRAFT
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          CLEAR                                                    UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          NONE                                                      88
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          300                                                       6
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
         FIRE AFTER IMPACT
        REMARKS- BLOOD-ALC LVL 85MG%.ATMTD LO LVL ACROBATICS IN MTN AREA.DA ABT 9000FT.4 PAX & DOG ABOARD.
```

## Aircraft

- Registration: [N9724U](https://openairdocs.org/deregistered/N9724U-1976-10-08), registration cancelled 1976-10-08, S/N AA5A-0124 (OpenAirDocs)
- Reported make and model: GRUM AMER AA-5A
- Registry model: [Grumman American Avn. AA-5A](https://openairdocs.org/model/grumman-american-avn-aa-5a) (registry code 3960106) (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 19760705024609A](https://openairdocs.org/incident/19760705024609A), Jul 5, 1976: Gulstm AA5, Boise, ID, Destroyed, 4 fatal. Blood-alc lvl 85MG .atmtd lo lvl acrobatics in mtn area. Da abt 9000FT.4 pax & dog aboard.

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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