# NTSB SEA72FYC41: Interstate S-1A, N37216, Cascade Lock, OR, May 14, 1972

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: May 14, 1972
- Place: Cascade Lock, OR · CASCADE LOCK, OR
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious
- Status: Completed, report February 10, 1973
- Report: Brief approved by the director
- NTSB case key (mKey): 166199
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA72FYC41
- Page: https://openairdocs.org/ntsb/SEA72FYC41

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1652  72/5/14    CASCADE LOCK,OREG   INTERSTATE S-1A     CR-  0  1  0  NONCOMMERCIAL             COMMERCIAL, AGE 49, 356
        TIME - 1745                    N37216              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 26 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          DALLESPORT,WASH             SCAPPOOSE,WASH
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ENGINE FAILURE OR MALFUNCTION                            IN FLIGHT: NORMAL CRUISE
           COLLIDED WITH: WIRES/POLES                               LANDING: FINAL APPROACH
        PROBABLE CAUSE(S)
           POWERPLANT - FUEL SYSTEM: OTHER
           MISCELLANEOUS - FOREIGN MATERIAL AFFECTING NORMAL OPERATIONS
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
           PILOT IN COMMAND - FAILED TO SEE AND AVOID OBJECTS OR OBSTRUCTIONS
        FACTOR(S)
           TERRAIN - HIGH OBSTRUCTIONS
        COMPLETE POWER LOSS - COMPLETE ENGINE FAILURE/FLAMEOUT-1 ENGINE
        EMERGENCY CIRCUMSTANCES - FORCED LANDING OFF AIRPORT ON LAND
        REMARKS- FOREIGN SUBSTANCE IN FUEL SYS. HIT WIRES LDG ON HIWAY.
```

## Aircraft

- Registration: [N37216](https://openairdocs.org/deregistered/N37216-2014-10-02), registration cancelled 2014-10-02, S/N 59, built 1941 (OpenAirDocs)
- Reported make and model: INTERSTATE S-1A
- Registry model: [Interstate S-1A](https://openairdocs.org/model/interstate-s-1a) (registry code 1850202) (OpenAirDocs)
- Registry engine: [Continental A&C65 series](https://openairdocs.org/engine/continental-a-c65-series) (registry code 17003, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: 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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