# NTSB FTW70DRG37: Piper PA-18, N21AA, Norias, TX, April 21, 1970

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: April 21, 1970
- Place: Norias, TX · NORIAS, TX
- Location: 26.7901° N, 97.7761° W: Placed by OpenAirDocs: center of Norias, TX, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=26.7901&lon=-97.7761&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report February 4, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 128858
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW70DRG37
- Page: https://openairdocs.org/ntsb/FTW70DRG37

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1728  70/4/21  NR.NORIAS,TEX         PIPER PA-18         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 46, 6235
        TIME - 1220                    N21AA               PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 600 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          SAN ANTONIO,TEX             HARLINGEN,TEX
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: DESCENDING
           COLLIDED WITH: TREES                                     LANDING: FINAL APPROACH
        PROBABLE CAUSE(S)
           POWERPLANT - ENGINE STRUCTURE: OTHER
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           MISCELLANEOUS - EVASIVE MANEUVER TO AVOID COLLISION
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- NR 1 CONNECTING ROD CAP BOLT FAILED.HIT TREE AVOIDING CATTLE IN LDG AREA.
```

## Aircraft

- Registration: [N21AA](https://openairdocs.org/deregistered/N21AA-2012-08-23), registration cancelled 2012-08-23, S/N 18-5034, built 1956 (OpenAirDocs)
- Reported make and model: PIPER PA-18
- Registry model: [Piper PA-18](https://openairdocs.org/model/piper-pa-18) (registry code 7101802) (OpenAirDocs)
- Registry engine: [Lycoming 0-290 series](https://openairdocs.org/engine/lycoming-0-290-series) (registry code 41506, 4 cycle) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage

## Other investigations on N21AA (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 ANC80FA102](https://openairdocs.org/ntsb/ANC80FA102), Sep 21, 1980: Piper PA-18 (N21AA), Anchorage, AK, destroyed, 2 fatal
- [NTSB FTW76DRG64](https://openairdocs.org/ntsb/FTW76DRG64), Jun 29, 1976: Piper PA-18 (N21AA), New Berlin, TX, 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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