# NTSB MKC72FGD29: Amer Avco AA-1, N5973L, Blakesburg, IA, September 5, 1971

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: September 5, 1971
- Place: Blakesburg, IA · BLAKESBURG, IA
- Location: 40.9620° N, 92.6347° W: Placed by OpenAirDocs: center of Blakesburg, IA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=40.9620&lon=-92.6347&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report May 24, 1972
- Report: Brief approved by the director
- NTSB case key (mKey): 164308
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC72FGD29
- Page: https://openairdocs.org/ntsb/MKC72FGD29

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3913   71/9/5    BLAKESBURG,IOWA     AMER AVCO AA-1      CR-  0  0  1  NONCOMMERCIAL             NO CERTIFICATE, AGE 37,
        TIME - 1200                    N5973L              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  380 TOTAL HOURS, 20 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - ANTIQUE AIRFIELD
        DEPARTURE POINT             INTENDED DESTINATION
          BLAKESBURG,IOWA             FT.WORTH,TEX
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: FENCE,FENCEPOSTS                          TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - ATTEMPTED OPERATION BEYOND EXPERIENCE/ABILITY LEVEL
           PILOT IN COMMAND - PREMATURE LIFT-OFF
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPERLY LOADED AIRCRAFT-WEIGHT-AND/OR C.G.
        REMARKS- EXPIRED STDNT CERT.ABT 45LBS OGW.
```

## Aircraft

- Registration: [N5973L](https://openairdocs.org/deregistered/N5973L-2019-05-01), registration cancelled 2019-05-01, S/N AA1-0273, built 1969 (OpenAirDocs)
- Reported make and model: AMER AVCO AA-1
- Registry model: [American AA-1](https://openairdocs.org/model/american-aa-1) (registry code 0630610) (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: Antique Airfield

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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