# NTSB CHI79DEE81: Blanik L-13, N99943, Freeport, IL, September 22, 1979

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: September 22, 1979
- Place: Freeport, IL · FREEPORT, IL
- Location: 42.2890° N, 89.6343° W: Placed by OpenAirDocs: center of Freeport, IL, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.2890&lon=-89.6343&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report March 24, 1980
- Report: Brief approved by the director
- NTSB case key (mKey): 133100
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI79DEE81
- Page: https://openairdocs.org/ntsb/CHI79DEE81

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3289  79/9/22  NR.FREEPORT,IL        BLANIK L-13         CR-  0  0  1  NONCOMMERCIAL             ATP,FLIGHT INSTR., AGE
        TIME - 1620                    N99943              PX-  0  0  0  PRACTICE                  40, 6682 TOTAL HOURS, 1
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - THE ALBERTUS MUNI
        DEPARTURE POINT             INTENDED DESTINATION
         FREEPORT,IL                  LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           OVERSHOOT                                                LANDING: LEVEL OFF/TOUCHDOWN
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISUSED OR FAILED TO USE FLAPS
        FACTOR(S)
           PILOT IN COMMAND - LACK OF FAMILIARITY WITH AIRCRAFT
           MISCELLANEOUS ACTS,CONDITIONS - RAN OFF END OF RUNWAY
           TERRAIN - ROUGH/UNEVEN
        REMARKS- PILOT PULLED FLAP HANDLE INSTEAD OF SPOILER.ACFT SAILED DOWN RWY.SINGLE WHEEL LNDG GR.
```

## Aircraft

- Registration: N99943 (not matched to a registry record)
- Reported make and model: BLANIK L-13
- Category: Glider
- Engines: none
- Damage: Substantial damage
- Airport: The Albertus Muni

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Accident 19790922036729A](https://openairdocs.org/incident/19790922036729A), Sep 22, 1979: Cvac L13A, Freeport, IL, Substantial damage. Student glider pilot used flaps in place of dive brake on landing. Overshot runway.

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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