# NTSB MKC75DCQ23: Amer Avco AA1-B, N9971L, Norton, KS, November 14, 1974

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: November 14, 1974
- Place: Norton, KS · NORTON, KS
- Location: 39.8362° N, 99.8916° W: Placed by OpenAirDocs: center of Norton, KS, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.8362&lon=-99.8916&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report December 12, 1974
- Report: Brief approved by the director
- NTSB case key (mKey): 143140
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC75DCQ23
- Page: https://openairdocs.org/ntsb/MKC75DCQ23

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3580  74/11/14   NORTON,KANS         AMER AVCO AA1-B     CR-  0  0  1  INSTRUCTIONAL             STUDENT, AGE 25, 80 TOTAL
        TIME - 1435                    N9971L              PX-  0  0  0  SOLO                      HOURS, 54 IN TYPE, NOT
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - NORTON MUNI
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          GRAND ISLAND,NEBR           NORTON,KANS                  CLAY CENTER,KANS
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           HARD LANDING                                             LANDING: LEVEL OFF/TOUCHDOWN
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER LEVEL OFF
           PILOT IN COMMAND - IMPROPER RECOVERY FROM BOUNCED LANDING
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        REMARKS- NOSE GR FAILED IN GOOSE NECK AREA ABV WHEEL.
```

## Aircraft

- Registration: [N9971L](https://openairdocs.org/aircraft/N9971L), registered now, S/N AA1B-0271, built 1973 (OpenAirDocs)
- Reported make and model: AMER AVCO AA1-B
- Registry model: [Grumman American Avn. AA-1B](https://openairdocs.org/model/grumman-american-avn-aa-1b) (registry code 3960103) (OpenAirDocs)
- Registry engine: [Lycoming 0-235 series](https://openairdocs.org/engine/lycoming-0-235-series) (registry code 41505, 4 cycle) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Norton 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 19741114037589A](https://openairdocs.org/incident/19741114037589A), Nov 14, 1974: Grumav AA1B, Norton, KS, Substantial damage. Nose gr failed in goose neck area abv wheel.

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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