# NTSB MKC77FCD28: Amer Avco AA-5A, N9873U, Boone, IA, July 3, 1977

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 3, 1977
- Place: Boone, IA · BOONE, IA
- Location: 42.0493° N, 93.8725° W: Placed by OpenAirDocs: center of Boone, IA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.0493&lon=-93.8725&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 4 uninjured
- Status: Completed, report August 30, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 147073
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC77FCD28
- Page: https://openairdocs.org/ntsb/MKC77FCD28

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1730   77/7/3    BOONE,IA            AMER AVCO AA-5A     CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 28, 73 TOTAL
        TIME - 1630                    N9873U              PX-  0  0  3  PLEASURE/PERSONAL TRANSP  HOURS, 1 IN TYPE, NOT
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - BOONE MUNI
        DEPARTURE POINT             INTENDED DESTINATION
          BOONE,IA                    LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL: MUSH                                              TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - PREMATURE LIFT-OFF
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPERLY LOADED AIRCRAFT-WEIGHT-AND/OR C.G.
           PILOT IN COMMAND - LACK OF FAMILIARITY WITH AIRCRAFT
           WEATHER - HIGH DENSITY ALTITUDE
        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                  RELATIVE BEARING OF WIND
          NONE                                                     RIGHT QUARTERING HEAD WIND 023-067 DEGREES
        TEMPERATURE-F                                            WIND DIRECTION-DEGREES
           100                                                     230
        WIND VELOCITY-KNOTS                                      TYPE OF WEATHER CONDITIONS
           17                                                      VFR
        TYPE OF FLIGHT PLAN
          NONE
        REMARKS- ABT 60LB OVERWEIGHT.
```

## Aircraft

- Registration: [N9873U](https://openairdocs.org/aircraft/N9873U), registered now, S/N AA5A0273 (OpenAirDocs)
- Reported make and model: AMER AVCO AA-5A
- Registry model: [Grumman American Avn. AA-5A](https://openairdocs.org/model/grumman-american-avn-aa-5a) (registry code 3960106) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Boone Muni

## 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 19770703017899A](https://openairdocs.org/incident/19770703017899A), Jul 3, 1977: Gulstm AA1, Boone, IA, Substantial damage. Abt 60LB overweight.

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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