# NTSB MKC76DER87: Grum Amer AA-1B, N9626L, Isanti, MN, August 11, 1976

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: August 11, 1976
- Place: Isanti, MN · ISANTI, MN
- Location: 45.4915° N, 93.2428° W: Placed by OpenAirDocs: center of Isanti, MN, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=45.4915&lon=-93.2428&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 2 minor
- Status: Completed, report October 29, 1976
- Report: Brief approved by the director
- NTSB case key (mKey): 155719
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC76DER87
- Page: https://openairdocs.org/ntsb/MKC76DER87

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3022  76/8/11    ISANTI,MN           GRUM AMER AA-1B     CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 40, 234
        TIME - 1130                    N9626L              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 10 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          ROCHELLE,IL                 BEMIDJI,MN                   CAMBRIDGE,MN
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: CLIMB TO CRUISE
           NOSE OVER/DOWN                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - BECAME LOST/DISORIENTED
           PILOT IN COMMAND - IMPROPER IN-FLIGHT DECISIONS OR PLANNING
           PILOT IN COMMAND - MISMANAGEMENT OF FUEL
           MISCELLANEOUS ACTS,CONDITIONS - FUEL EXHAUSTION
           TERRAIN - ROUGH/UNEVEN
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- PIC DISORIENTED,COULD NOT LOCATE AIRPORT.
```

## Aircraft

- Registration: [N9626L](https://openairdocs.org/deregistered/N9626L-2003-02-06), registration cancelled 2003-02-06, S/N AA1B-0126, built 1973 (OpenAirDocs)
- Reported make and model: GRUM AMER AA-1B
- Registry model: [Grumman American Avn. AA-1B](https://openairdocs.org/model/grumman-american-avn-aa-1b) (registry code 3960103) (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

## 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 19760811029669A](https://openairdocs.org/incident/19760811029669A), Aug 11, 1976: Grumav AA1B, Isanti, MN, Substantial damage. PIC disoriented,could not locate airport.

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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