# NTSB CHI71DEE79: Amer Avco AA1, N5621L, Pecatonica, IL, May 30, 1971

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: May 30, 1971
- Place: Pecatonica, IL · PECATONICA, IL
- Location: 42.3090° N, 89.3572° W: Placed by OpenAirDocs: center of Pecatonica, IL, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.3090&lon=-89.3572&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 January 25, 1972
- Report: Brief approved by the director
- NTSB case key (mKey): 133356
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI71DEE79
- Page: https://openairdocs.org/ntsb/CHI71DEE79

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1758  71/5/30    PECATONICA,ILL      AMER AVCO AA1       CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 30, 198
        TIME - 1930                    N5621L              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 7 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - PECATONICA
        DEPARTURE POINT             INTENDED DESTINATION
          PECATONICA,ILL              CHICAGO,ILL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL: MUSH                                              TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
        REMARKS- HIT BUMP ON RWY,ACFT BECAME AIRBORNE,SETTLED ON NOSE GR,GR GOLLAPSED.
```

## Aircraft

- Registration: [N5621L](https://openairdocs.org/deregistered/N5621L-2013-04-22), registration cancelled 2013-04-22, S/N AA1-0023, built 1968 (OpenAirDocs)
- Reported make and model: AMER AVCO AA1
- 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: Pecatonica

## Other investigations on N5621L (2)

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.

- [NTSB CHI80FEM36](https://openairdocs.org/ntsb/CHI80FEM36), Jul 17, 1980: Grum-Amer AA-1 (N5621L), Midland, MI, destroyed
- [NTSB IAD73FKW24](https://openairdocs.org/ntsb/IAD73FKW24), Apr 19, 1973: Amer Avco AA-1 (N5621L), Chattanooga, TN, substantial damage

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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