# NTSB ANC71DAG25: Piper PA-11, N4988H, Cordova, AK, September 13, 1970

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: September 13, 1970
- Place: Cordova, AK · CORDOVA, AK
- Location: 60.5428° N, 145.7575° W: Placed by OpenAirDocs: center of Cordova, AK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=60.5428&lon=-145.7575&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report June 25, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 140684
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=ANC71DAG25
- Page: https://openairdocs.org/ntsb/ANC71DAG25

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3722  70/9/13    CORDOVA,ALAS        PIPER PA-11         CR-  0  0  2  INSTRUCTIONAL             COMMERCIAL, FL.INSTR.,
        TIME - 1400                    N4988H              PX-  0  0  0  DUAL                      AGE 38, 3000 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            200 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - CORDOVA
        DEPARTURE POINT             INTENDED DESTINATION
          CORDOVA,ALAS                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: CONTROLLED                  LANDING: LEVEL OFF/TOUCHDOWN
           GEAR COLLAPSED                                           LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        REMARKS- LND IN FWD SLIP ATTITUDE.
```

## Aircraft

- Registration: [N4988H](https://openairdocs.org/aircraft/N4988H), registered now, S/N 18-1955 (OpenAirDocs)
- Reported make and model: PIPER PA-11
- Registry model: [Piper PA-18-135](https://openairdocs.org/model/piper-pa-18-135) (registry code 7101820) (OpenAirDocs)
- Registry engine: [Lycoming 0-235 series](https://openairdocs.org/engine/lycoming-0-235-series) (registry code 41505, 4 cycle) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Cordova

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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