# NTSB MIA73FKT94: Grumman G-73, N7306, Miami, FL, May 7, 1973

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: May 7, 1973
- Place: Miami, FL · MIAMI, FL
- Location: 25.7743° N, 80.1937° W: Placed by OpenAirDocs: center of Miami, FL, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=25.7743&lon=-80.1937&mi=10
- Phase of flight: [Taxi](https://openairdocs.org/ntsb-phases/250) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report July 20, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 190315
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MIA73FKT94
- Page: https://openairdocs.org/ntsb/MIA73FKT94

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1439   73/5/7    MIAMI,FLA           GRUMMAN G-73        CR-  0  0  2  COMMERCIAL                AIRLINE TRANSPORT, AGE
        TIME - 0730                    N7306               PX-  0  0  1  COMMUTER AIR CARRIER      51, 17000 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0  AIR TAXI-PASSG S-I        1000 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - CHALK SEAPLANE
        DEPARTURE POINT             INTENDED DESTINATION
          MIAMI,FLA                   CAT CAY,BAHAMAS
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GEAR RETRACTED                                           TAXI: FROM LANDING
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO ASSURE THE GEAR WAS DOWN AND LOCKED
           AIRFRAME - LANDING GEAR: NORMAL RETRACTION/EXTENSION ASSEMBLY
           SYSTEMS - HYDRAULIC SYSTEM: RESERVOIR,LINES,FITTINGS
           MISCELLANEOUS ACTS,CONDITIONS - LEAK/LEAKAGE
           MISCELLANEOUS ACTS,CONDITIONS - HYDRAULIC FAILURE
        FACTOR(S)
           AIRFRAME - LANDING GEAR: LANDING GEAR WARNING AND INDICATING COMPONENTS
        EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING OFF AIRPORT
                                  SUSPECTED MECHANICAL DISCREPANCY
        REMARKS- AMPHIBIAN.LNDD AT PVT SEAPLANE BASE,MANUALLY EXTNDD GR TO RAMP TAXI.GR INDCR INOP.
```

## Aircraft

- Registration: [N7306](https://openairdocs.org/deregistered/N7306-2015-05-21), registration cancelled 2015-05-21, S/N J-6, built 1946 (OpenAirDocs)
- Reported make and model: GRUMMAN G-73
- Registry model: [Grumman G-73](https://openairdocs.org/model/grumman-g-73) (registry code 3951802) (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: Chalk Seaplane

## 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 19730507015399A](https://openairdocs.org/incident/19730507015399A), May 7, 1973: Gruman G73, Miami, FL, Substantial damage. Amphibian. Lndd at pvt seaplane base,manually extndd gr to ramp taxi. Gr indcr inop.

## Other investigations on N7306 (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 MIA75AM039](https://openairdocs.org/ntsb/MIA75AM039), Dec 26, 1974: Grumman G-73 (N7306), Miami, FL, 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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