# NTSB OAK79DJA06: Emair MA-1, N306MA, Keaau, HI, January 10, 1979

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: January 10, 1979
- Place: Keaau, HI · KEAAU, HI
- Location: 19.6235° N, 155.0482° W: Placed by OpenAirDocs: center of Keaau, HI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=19.6235&lon=-155.0482&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report February 15, 1979
- Report: Brief approved by the director
- NTSB case key (mKey): 138234
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK79DJA06
- Page: https://openairdocs.org/ntsb/OAK79DJA06

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0021  79/1/10    KEAAU,HI            EMAIR MA-1          CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 59, 23952
        TIME - 0708                    N306MA              PX-  0  0  0  ASSOC CROP CTL ACTIVITY   TOTAL HOURS, 3000 IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - KURISTOWN AIRSTRI
        DEPARTURE POINT             INTENDED DESTINATION
          KEAAU,HI                    LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            TAKEOFF: INITIAL CLIMB
           COLLIDED WITH: CROP                                      LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: CYLINDER ASSEMBLY
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        FACTOR(S)
           TERRAIN - WET,SOFT GROUND
        PARTIAL POWER LOSS - PARTIAL LOSS OF POWER - 1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - 3000                       KIND OF OPERATION - FERRY
          TYPE OF CHEMICAL USED - DRY CHEMICAL-NONTOXIC            PILOT' S SEAT BELT -UNKNOWN/NOT REPORTED
          GLOVES - NOT USED                                        CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - NOT INSTALLED                         CRASH BAR - INSTALLED
          TANK/HOPPER-LOCATION - FORWARD OF PILOT                  ELEVATION-AREA BEING TREATED-FEET -  700
        REMARKS- CYLINDER HEAD CRACKED.
```

## Aircraft

- Registration: [N306MA](https://openairdocs.org/deregistered/N306MA-2013-04-15), registration cancelled 2013-04-15, S/N 006, built 1973 (OpenAirDocs)
- Reported make and model: EMAIR MA-1
- Registry model: [Murrayair MA-1](https://openairdocs.org/model/murrayair-ma-1) (registry code 6070102) (OpenAirDocs)
- Registry engine: [Pratt & Whitney R1340 series](https://openairdocs.org/engine/pratt-whitney-r1340-series) (registry code 52016, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Kuristown Airstri

## 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 19790110000629A](https://openairdocs.org/incident/19790110000629A), Jan 10, 1979: Emair MA1, Keaau, HI, Substantial damage. Aircraft made a forced landing due to a cracked cylinder head.

## Other investigations on N306MA (3)

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 LAX87DJA01](https://openairdocs.org/ntsb/LAX87DJA01), Oct 28, 1986: Murrayair MA-1 (N306MA), Hilo, HI, destroyed
- [NTSB OAK7MDJA03](https://openairdocs.org/ntsb/OAK7MDJA03), Dec 16, 1976: Murrayair MA-1 (N306MA), Keaau, HI, substantial damage
- [NTSB OAK76DJA07](https://openairdocs.org/ntsb/OAK76DJA07), Dec 8, 1975: Murrayair MA-1 (N306MA), Hilo, HI, 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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