# NTSB DEN77DTE80: Blanik L-13, N666FB, Waverly, CO, August 28, 1977

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 28, 1977
- Place: Waverly, CO · WAVERLY, CO
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report December 28, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 145433
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN77DTE80
- Page: https://openairdocs.org/ntsb/DEN77DTE80

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3522  77/8/28  NR.WAVERLY,CO         BLANIK L-13         CR-  0  0  1  NONCOMMERCIAL             PRIVATE, AGE 50, 197
        TIME - 1245                    N666FB              PX-  0  0  0  BUSINESS                  TOTAL HOURS, 5 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - WAVERLY WEST
        DEPARTURE POINT             INTENDED DESTINATION
         WAVERLY,CO                   LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           OVERSHOOT                                                LANDING: LEVEL OFF/TOUCHDOWN
           GROUND-WATER LOOP-SWERVE                                 LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED DISTANCE AND SPEED
           PILOT IN COMMAND - MISUSED OR FAILED TO USE FLAPS
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - INTENTIONAL GROUND-WATER-LOOP-SWERVE
           PILOT IN COMMAND - LACK OF FAMILIARITY WITH AIRCRAFT
        REMARKS- PLT STATED UNABLE TO FULLY ACTIVATE DIVE BRAKES  ON FINAL. GROUND CHECKED OK.
```

## Aircraft

- Registration: N666FB (not matched to a registry record)
- Reported make and model: BLANIK L-13
- Category: Glider
- Engines: none
- Damage: Substantial damage
- Airport: Waverly West

## 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 19770828034119A](https://openairdocs.org/incident/19770828034119A), Aug 28, 1977: Let L13BLANIK, Waverly, CO, Substantial damage. Plt stated unable to fully activate dive brakes on final. Ground checked ok.

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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