# NTSB FTW66D0035: Piper PA-18, N4088Z, Sierra Blanca, TX, May 4, 1965

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: May 4, 1965
- Place: Sierra Blanca, TX · SIERRA BLANCA, TX
- Location: 31.1834° N, 105.3395° W: Placed by OpenAirDocs: center of Sierra Blanca, TX, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=31.1834&lon=-105.3395&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report July 29, 1965
- Report: Brief approved by the director
- NTSB case key (mKey): 177878
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW66D0035
- Page: https://openairdocs.org/ntsb/FTW66D0035

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1275   65/5/4    SIERRA BLANCA TEX   PIPER PA-18         CR-  0  0  1  MISCELLANEOUS             AIRLINE TRANSPORT, AGE
        TIME - 1105                    N4088Z              PX-  0  0  1  OTHER PUBLIC              41, 8500 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            1540 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
           NOSE OVER/DOWN                                           LANDING: ROLL
        PROBABLE CAUSE(S)
           TERRAIN - WET,SOFT GROUND
        REMARKS- BORDER PATROL FLIGHT, OFF AIRPORT OPERATION.
```

## Aircraft

- Registration: [N4088Z](https://openairdocs.org/deregistered/N4088Z-1970-10-06), registration cancelled 1970-10-06, S/N 18-8103, built 1964 (OpenAirDocs)
- Reported make and model: PIPER PA-18
- Registry model: [Piper PA-18](https://openairdocs.org/model/piper-pa-18) (registry code 7101802) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage

## Other investigations on N4088Z (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 FTW68D0296](https://openairdocs.org/ntsb/FTW68D0296), Oct 16, 1967: Piper PA-18 (N4088Z), Fabens, TX, 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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.