# NTSB UNK66X0133: Piper PA-23, N5173Y, San Luis, Mexico, March 31, 1966

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: March 31, 1966
- Place: San Luis, Mexico · SAN LUIS, Mexico
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report April 20, 1967
- Report: Brief approved by the director
- NTSB case key (mKey): 171432
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK66X0133
- Page: https://openairdocs.org/ntsb/UNK66X0133

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
6-0026  66/3/31  NR.SAN LUIS MEX       PIPER PA-23         CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, AGE 41, 8000
        TIME - 2020                    N5173Y              PX-  0  0  1  BUSINESS                  TOTAL HOURS, UNK/NR IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-2 ENGINES
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- INVESTIGATION UNDER THE JURISDICTION OF THE GOVERNMENT OF MEXICO.
```

## Aircraft

- Registration: [N5173Y](https://openairdocs.org/deregistered/N5173Y-2012-12-11), registration cancelled 2012-12-11, S/N 27-2214, built 1962 (OpenAirDocs)
- Reported make and model: PIPER PA-23
- Registry model: [Piper PA-23-250](https://openairdocs.org/model/piper-pa-23-250) (registry code 7102308) (OpenAirDocs)
- Registry engine: [Lycoming 0-540 series](https://openairdocs.org/engine/lycoming-0-540-series) (registry code 41532, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage

## Other investigations on N5173Y (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 MIA88WA101](https://openairdocs.org/ntsb/MIA88WA101), Feb 8, 1988: Piper PA-23-250 (N5173Y), Rock Sound, Bahamas, destroyed

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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