# NTSB MIA66F0386: Beechcraft 23, N2399Z, Knoxville, TN, December 14, 1965

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: December 14, 1965
- Place: Knoxville, TN · KNOXVILLE, TN
- Location: 35.9606° N, 83.9207° W: Placed by OpenAirDocs: center of Knoxville, TN, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=35.9606&lon=-83.9207&mi=10
- Phase of flight: [Taxi](https://openairdocs.org/ntsb-phases/250) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report February 3, 1966
- Report: Brief approved by the director
- NTSB case key (mKey): 174228
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MIA66F0386
- Page: https://openairdocs.org/ntsb/MIA66F0386

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3665  65/12/14   KNOXVILLE TENN      BEECHCRAFT 23       CR-  0  0  1  NONCOMMERCIAL             STUDENT, AGE 21, 42 TOTAL
        TIME - 1600                    N2399Z              PX-  0  0  0  PRACTICE                  HOURS, 22 IN TYPE, NOT
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - ISLAND
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GEAR COLLAPSED                                           TAXI: FROM LANDING
        PROBABLE CAUSE(S)
           AIRFRAME - LANDING GEAR: NORMAL RETRACTION/EXTENSION ASSEMBLY
           MISCELLANEOUS ACTS,CONDITIONS - FATIGUE FRACTURE
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
        REMARKS- RIGHT GEAR FAILED AT WING ATTACHMENT PLATE CAUSED BY IMPROPERLY FASTENED ATTACH SCREWS
```

## Aircraft

- Registration: [N2399Z](https://openairdocs.org/deregistered/N2399Z-2013-04-15), registration cancelled 2013-04-15, S/N M-100, built 1963 (OpenAirDocs)
- Reported make and model: BEECHCRAFT 23
- Registry model: [Beech 23](https://openairdocs.org/model/beech-23) (registry code 1151202) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Island

## Other investigations on N2399Z (2)

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 MIA87FA250](https://openairdocs.org/ntsb/MIA87FA250), Sep 19, 1987: Beech 23 (N2399Z), St. Petersburg, FL, destroyed, 3 fatal
- [NTSB UNK64X2186](https://openairdocs.org/ntsb/UNK64X2186), Jun 8, 1964: Beechraft B23 (N2399Z), Chuckey, TN, 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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