# NTSB CHI74FEE48: Amer Avco AA1, N5954L, Lincolnshire, IL, January 17, 1974

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: January 17, 1974
- Place: Lincolnshire, IL · LINCOLNSHIRE, IL
- Location: 42.1965° N, 87.9177° W: Placed by OpenAirDocs: center of Lincolnshire, IL, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.1965&lon=-87.9177&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious, 1 minor
- Status: Completed, report April 17, 1974
- Report: Brief approved by the director
- NTSB case key (mKey): 186927
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI74FEE48
- Page: https://openairdocs.org/ntsb/CHI74FEE48

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0359  74/1/17    LINCOLNSHIRE,ILL    AMER AVCO AA1       CR-  0  1  1  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 2007                    N5954L              PX-  0  0  0  DUAL                      AGE 27, 610 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            100 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - CHICAGOLAND
        DEPARTURE POINT             INTENDED DESTINATION
          WHEELING,ILL                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: UNCONTROLLED                LANDING: OTHER
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - EXERCISED POOR JUDGMENT
           PILOT IN COMMAND - FAILED TO FOLLOW APPROVED PROCEDURES,DIRECTIVES,ETC.
           MISCELLANEOUS ACTS,CONDITIONS - AIRFRAME ICE
        FACTOR(S)
           WEATHER - ICING CONDITIONS-INCLUDES SLEET,FREEZING RAIN,ETC.
        WEATHER BRIEFING - BRIEFED BY FLIGHT SERVICE PERSONNEL, BY PHONE
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OVERCAST                                                  400
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          1/2 MILE OR LESS                                         NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          FOG                                                       33
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          IFR                                                      IFR
        REMARKS- CIRCLING APCH.AIRFRAME ICE.UN MNTN ALT.
```

## Aircraft

- Registration: [N5954L](https://openairdocs.org/deregistered/N5954L-1974-03-11), registration cancelled 1974-03-11, S/N AA1-0254 (OpenAirDocs)
- Reported make and model: AMER AVCO AA1
- Registry model: [American AA-1](https://openairdocs.org/model/american-aa-1) (registry code 0630610) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Chicagoland

## 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 19740117002259A](https://openairdocs.org/incident/19740117002259A), Jan 17, 1974: Grumav AA1, Lincolnshire, IL, Destroyed. Circling apch. Airframe ice. Un mntn alt.

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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