# NTSB MKC75AK005: Amer Avco AA1-B, N9969L, Kansas City, MO, July 26, 1974

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: July 26, 1974
- Place: Kansas City, MO · KANSAS CITY, MO
- Location: 39.0997° N, 94.5786° W: Placed by OpenAirDocs: center of Kansas City, MO, within about 10 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.0997&lon=-94.5786&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 2 fatal
- Status: Completed, report September 11, 1974
- Report: Brief approved by the director
- NTSB case key (mKey): 134513
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC75AK005
- Page: https://openairdocs.org/ntsb/MKC75AK005

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2330  74/7/26    KANSAS CITY,MO      AMER AVCO AA1-B     CR-  2  0  0  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 1424                    N9969L              PX-  0  0  0  DUAL                      AGE 35, 2700 TOTAL HOURS,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            670 IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        NAME OF AIRPORT - KANSAS CITY MUNI
        DEPARTURE POINT             INTENDED DESTINATION
          KANSAS CITY,MO              LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: INITIAL CLIMB
           STALL: SPIN                                              TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - ATTEMPTED OPERATION W/KNOWN DEFICIENCIES IN EQUIPMENT
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           POWERPLANT - IGNITION SYSTEM: IGNITION HARNESS,SHIELDING
           POWERPLANT - IGNITION SYSTEM: SPARK PLUG
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        REMARKS- FOULED PLUGS.RECENT HISTORY OF ROUGH-RUNNING.NO COMPANY MAINT FACILITIES.IGN SWITCH FND ON L MAG.
```

## Aircraft

- Registration: [N9969L](https://openairdocs.org/deregistered/N9969L-1974-10-02), registration cancelled 1974-10-02, S/N AA1B-0269, built 1973 (OpenAirDocs)
- Reported make and model: AMER AVCO AA1-B
- Registry model: [Grumman American Avn. AA-1B](https://openairdocs.org/model/grumman-american-avn-aa-1b) (registry code 3960103) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed
- Airport: Kansas City Muni

## 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 19740726027139A](https://openairdocs.org/incident/19740726027139A), Jul 26, 1974: Grumav AA1B, Kansas City, MO, Destroyed. Fouled plugs. Recent history of rough-running. No company maint facilities. Ign switch fnd on l mag.

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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