# NTSB NYC78FA061: Amer Avco AA-5A, N9879U, Guilford, NY, June 1, 1978

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: June 1, 1978
- Place: Guilford, NY · GUILFORD, NY
- Location: 42.4073° N, 75.4854° W: Placed by OpenAirDocs: center of Guilford, NY, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.4073&lon=-75.4854&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal, 1 serious
- Status: Completed, report July 25, 1978
- Report: Brief approved by the director
- NTSB case key (mKey): 141188
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=NYC78FA061
- Page: https://openairdocs.org/ntsb/NYC78FA061

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1428   78/6/1    GUILFORD,NY         AMER AVCO AA-5A     CR-  1  0  0  NONCOMMERCIAL             PRIVATE, AGE 46, 625
        TIME - 2030                    N9879U              PX-  0  1  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, UNK/NR IN
                                       DAMAGE-DESTROYED    OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          SIDNEY,NY                   LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL: SPIN                                              IN FLIGHT: ACROBATICS
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - EXERCISED POOR JUDGMENT
           PILOT IN COMMAND - FAILED TO FOLLOW APPROVED PROCEDURES,DIRECTIVES,ETC.
        REMARKS- ACFT ENTERED FLAT SPIN.INTENTIONAL SPINS PROHIBITED.
```

## Aircraft

- Registration: [N9879U](https://openairdocs.org/deregistered/N9879U-1978-07-06), registration cancelled 1978-07-06, S/N AA5A0279 (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)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed
- Airport: Sidney 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 19780601020549A](https://openairdocs.org/incident/19780601020549A), Jun 1, 1978: Grumav AA5A, Guilford, NY, Destroyed. Acft entered flat spin. Intentional spins prohibited.

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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