# NTSB MKC81FCD35: Aeronca 7AC, N84486, Blakesburg, IA, August 16, 1981

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 16, 1981
- 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: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report September 30, 1981
- Report: Brief approved by the director
- NTSB case key (mKey): 124441
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC81FCD35
- Page: https://openairdocs.org/ntsb/MKC81FCD35

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2202  81/8/16    BLAKESBURG,IA       AERONCA 7AC         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 38, 527
        TIME - 1500                    N84486              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 34 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - ANTIQUE
        DEPARTURE POINT             INTENDED DESTINATION
          SHENANDOAH,IA               BLAKESBURG,IA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
           COLLIDED WITH: TREES                                     LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER COMPENSATION FOR WIND CONDITIONS
        FACTOR(S)
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT FACILITIES: OTHER
           WEATHER - UNFAVORABLE WIND CONDITIONS
        WEATHER BRIEFING - UNKNOWN/NOT REPORTED
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          UNKNOWN/NOT REPORTED                                      1500
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  RELATIVE BEARING OF WIND
          HAZE                                                     RIGHT QUARTERING HEAD WIND 023-067 DEGREES
        TEMPERATURE-F                                            WIND DIRECTION-DEGREES
           70                                                       40
        WIND VELOCITY-KNOTS                                      TYPE OF WEATHER CONDITIONS
           11                                                      VFR
        TYPE OF FLIGHT PLAN
          NONE
        REMARKS- WND SOCK WRAPPED ARND POLE.
```

## Aircraft

- Registration: [N84486](https://openairdocs.org/deregistered/N84486-1998-02-03), registration cancelled 1998-02-03, S/N 7AC3186 (OpenAirDocs)
- Reported make and model: AERONCA 7AC
- Registry model: [Aeronca 7AC](https://openairdocs.org/model/aeronca-7ac) (registry code 2110102) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Antique

## 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 19810816049789A](https://openairdocs.org/incident/19810816049789A), Aug 16, 1981: Bbavia 7AC, Blakesburg, IA, Substantial damage. Allowed crosswind to drift airplane off center line of runway on landing. Failed to go around. Struck trees.

## Other investigations on N84486 (1)

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 LAX97LA106](https://openairdocs.org/ntsb/LAX97LA106), Feb 23, 1997: Aeronca 7AC (N84486), Rubidoux, CA, substantial damage. Probable cause: the pilot's inadequate compensation for the existing gusty crosswind condition, and his failure to maintain runway alignment. The gusty crosswind was a related factor.

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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