# NTSB IAD73FLT21: Grumman G-164A, N7964, Covington, TN, June 28, 1973

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: June 28, 1973
- Place: Covington, TN · COVINGTON, TN
- Location: 35.5659° N, 89.6485° W: Placed by OpenAirDocs: center of Covington, TN, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=35.5659&lon=-89.6485&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 1 minor
- Status: Completed, report August 14, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 173537
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=IAD73FLT21
- Page: https://openairdocs.org/ntsb/IAD73FLT21

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1672  73/6/28    COVINGTON,TENN      GRUMMAN G-164A      CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 43, 12000
        TIME - 1315                    N7964               PX-  0  0  0  ASSOC CROP CTL ACTIVITY   TOTAL HOURS, 700 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - THURMOND GLEN
        DEPARTURE POINT             INTENDED DESTINATION
          ARLINGTON,TENN              COVINGTON,TENN
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           AIRFRAME - LANDING GEAR: BRAKING SYSTEM (NORMAL SYSTEM)
           MISCELLANEOUS ACTS,CONDITIONS - EXCESSIVE-WEAR/PLAY
        FACTOR(S)
           WEATHER - UNFAVORABLE WIND CONDITIONS
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          SCATTERED                                                UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  RELATIVE BEARING OF WIND
          NONE                                                     RIGHT CROSS WIND 068-112 DEGREES
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          270                                                       14
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - UNKNOWN/NOT REPORTED       KIND OF OPERATION - UNKNOWN/NOT REPORTED
          KIND OF CROP - UNKNOWN/NOT REPORTED                      TYPE OF CHEMICAL USED - LIQUID CHEMICAL-NONTOXIC
          PILOT' S SEAT BELT -UNKNOWN/NOT REPORTED                 GLOVES - NOT USED
          GOGGLES - NOT USED                                       CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - INSTALLED                             CRASH BAR - INSTALLED
          TANK/HOPPER-LOCATION - FORWARD OF PILOT
        REMARKS- BRAKE PUCKS ON L BRAKE WORN TO 1/8IN OR LESS.ONE PUCK FORCED PAST O RING.WIND GUSTING 23K.
```

## Aircraft

- Registration: [N7964](https://openairdocs.org/deregistered/N7964-2017-07-14), registration cancelled 2017-07-14, S/N 841, built 1971 (OpenAirDocs)
- Reported make and model: GRUMMAN G-164A
- Registry model: [Grumman G-164A](https://openairdocs.org/model/grumman-g-164a) (registry code 3952704) (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: Thurmond Glen

## 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 19730628018599A](https://openairdocs.org/incident/19730628018599A), Jun 28, 1973: Grumav G164A, Covington, TN, Substantial damage. Brake pucks on l brake worn to 1/8IN or less. One puck forced past o ring. Wind gusting 23K.

## Other investigations on N7964 (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 CHI91DCQ07](https://openairdocs.org/ntsb/CHI91DCQ07), Jul 19, 1991: Grumman G-164A (N7964), Sharon Springs, KS, substantial damage. Probable cause: AIRCRAFT TAKEOFF PERFORMANCE EXCEEDED AND DISREGARD OF PERFORMANCE DATA BY THE PILOT. A FACTOR ASSOCIATED WITH THE ACCIDENT IS HIGH DENSITY ALTITUDE.

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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