# NTSB ANC68F0025: Piper PA-20, N3623A, Mcgrath, AK, April 30, 1967

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: April 30, 1967
- Place: Mcgrath, AK · MCGRATH, AK
- Location: 62.9564° N, 155.5958° W: Placed by OpenAirDocs: center of McGrath, AK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=62.9564&lon=-155.5958&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report September 20, 1967
- Report: Brief approved by the director
- NTSB case key (mKey): 117296
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC68F0025
- Page: https://openairdocs.org/ntsb/ANC68F0025

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1705  67/4/30    MCGRATH, ALAS       PIPER PA-20         CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 46, 5200
        TIME - 1400                    N3623A              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 751 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - MCGRATH
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
           GEAR COLLAPSED                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           AIRFRAME - LANDING GEAR: WHEELS,TIRES,AXLES
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPERLY INSTALLED
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPER MAINTENANCE (OWNER PERSONNEL)
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        REMARKS- LEFT TIRE SLIPPED ON WHEEL, VALVE STEM FAILED. TUBE WAS DETERIORATED.
```

## Aircraft

- Registration: [N3623A](https://openairdocs.org/deregistered/N3623A-1996-09-03), registration cancelled 1996-09-03, S/N 201088 (OpenAirDocs)
- Reported make and model: PIPER PA-20
- Registry model: [Piper PA-20-135](https://openairdocs.org/model/piper-pa-20-135) (registry code 7102010) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Mcgrath

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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