# NTSB MKC75DTK04: Amer Avco AA-1, N5962L, N Sioux Cty, SD, October 4, 1974

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: October 4, 1974
- Place: N Sioux Cty, SD · N SIOUX CTY, SD
- Location: 42.5359° N, 96.4947° W: Placed by OpenAirDocs: center of North Sioux City, SD, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.5359&lon=-96.4947&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report November 22, 1974
- Report: Brief approved by the director
- NTSB case key (mKey): 141042
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC75DTK04
- Page: https://openairdocs.org/ntsb/MKC75DTK04

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3271   74/10/4   N SIOUX CTY,S DAK   AMER AVCO AA-1      CR-  0  0  1  INSTRUCTIONAL             STUDENT, AGE 16, 13 TOTAL
        TIME - 1730                    N5962L              PX-  0  0  0  SOLO                      HOURS, ALL IN TYPE, NOT
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - GRAHAM
        DEPARTURE POINT             INTENDED DESTINATION
          N SIOUX CTY,S DAK           LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
           COLLIDED WITH: CROP                                      LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO MAINTAIN DIRECTIONAL CONTROL
           PERSONNEL - FLIGHT INSTRUCTOR: INADEQUATE SUPERVISION OF FLIGHT
           PILOT IN COMMAND - DELAYED IN INITIATING GO-AROUND
        FACTOR(S)
           WEATHER - UNFAVORABLE WIND CONDITIONS
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          BROKEN                                                    8000
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  RELATIVE BEARING OF WIND
          NONE                                                     TAIL WIND 158-202 DEGREES
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          310                                                       20
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
        REMARKS- WIND INCREASED AND SHIFTED AFTER STUDENT WAS CLRD FOR 1ST SUP SOLO FLT.
```

## Aircraft

- Registration: [N5962L](https://openairdocs.org/deregistered/N5962L-1983-11-10), registration cancelled 1983-11-10, S/N AA1-0262 (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)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Graham

## 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 19741004033059A](https://openairdocs.org/incident/19741004033059A), Oct 4, 1974: Grumav AA1, N Sioux Cty, SD, Substantial damage. Wind increased and shifted after student was clrd for 1st sup solo flt.

## Other investigations on N5962L (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 NYC83LA138](https://openairdocs.org/ntsb/NYC83LA138), Jun 9, 1983: Grumman American AA-1 (N5962L), Mechanicsburg, PA, substantial damage
- [NTSB MIA74DLG10](https://openairdocs.org/ntsb/MIA74DLG10), Aug 30, 1973: Amer Avco AA-1 (N5962L), Conway, SC, 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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