# NTSB FTW71FPJ37: Volksplane OL-1, N11BL, El Reno, OK, April 6, 1971

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: April 6, 1971
- Place: El Reno, OK · EL RENO, OK
- Location: 35.5323° N, 97.9550° W: Placed by OpenAirDocs: center of El Reno, OK, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=35.5323&lon=-97.9550&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report July 28, 1971
- Report: Brief approved by the director
- NTSB case key (mKey): 132765
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW71FPJ37
- Page: https://openairdocs.org/ntsb/FTW71FPJ37

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0067   71/4/6    EL RENO,OKLA        VOLKSPLANE OL-1     CR-  0  0  1  MISCELLANEOUS             PRIVATE, AGE 44, 609
        TIME - 1800                    N11BL               PX-  0  0  0  TEST                      TOTAL HOURS, 0 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - MUSTANG
        DEPARTURE POINT             INTENDED DESTINATION
          EL RENO,OKLA                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           HARD LANDING                                             LANDING: LEVEL OFF/TOUCHDOWN
           GEAR COLLAPSED                                           LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - LACK OF FAMILIARITY WITH AIRCRAFT
           PILOT IN COMMAND - IMPROPER OPERATION OF FLIGHT CONTROLS
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
        REMARKS- FIRST TEST FLT.APRX 10FT ABV RWY,PLT OVR-CONTROLLED ACFT,PORPOISED,HIT RWY.R GR BRACE CABLE BROKE.
```

## Aircraft

- Registration: [N11BL](https://openairdocs.org/deregistered/N11BL-2014-08-28), registration cancelled 2014-08-28, S/N ONE, built 1971 (OpenAirDocs)
- Reported make and model: VOLKSPLANE OL-1
- Registry model: [Oberg-Lowell VOLKSPLANE OL-1](https://openairdocs.org/model/oberg-lowell-volksplane-ol-1) (registry code 05611E5) (OpenAirDocs)
- Registry engine: [Volkswagen CONVERSION](https://openairdocs.org/engine/volkswagen-conversion) (registry code 63501, reciprocating) (OpenAirDocs)
- Category: Airplane, amateur-built
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Mustang

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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