# NTSB SEA78DYA09: Let-Np-K L-13, N65378, Driggs, ID, June 1, 1978

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: June 1, 1978
- Place: Driggs, ID · DRIGGS, ID
- Location: 43.7298° N, 111.1050° W: Placed by OpenAirDocs: center of Driggs, ID, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=43.7298&lon=-111.1050&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 2 uninjured
- Status: Completed, report June 23, 1978
- Report: Brief approved by the director
- NTSB case key (mKey): 141668
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA78DYA09
- Page: https://openairdocs.org/ntsb/SEA78DYA09

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1031   78/6/1    DRIGGS,ID           LET-NP-K L-13       CR-  0  0  1  NONCOMMERCIAL             COMMERCIAL, FL.INSTR.,
        TIME - 1700                    N65378              PX-  0  0  1  PLEASURE/PERSONAL TRANSP  AGE 43, 913 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            8 IN TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - DRIGGS MUNI
        DEPARTURE POINT             INTENDED DESTINATION
          DRIGGS,ID                   LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           UNDERSHOOT                                               LANDING: FINAL APPROACH
           COLLIDED WITH: FENCE,FENCEPOSTS                          LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED DISTANCE AND ALTITUDE
        FACTOR(S)
           WEATHER - DOWNDRAFT,UPDRAFTS
           MISCELLANEOUS ACTS,CONDITIONS - POORLY PLANNED APPROACH
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING ON AIRPORT
                                  ADVERSE/UNFAVORABLE WEATHER
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          CLEAR                                                    UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          NONE                                                      75
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
        REMARKS- ENCNTRD DOWNDRAFTS. HIT BOUNDARY FENCE.
```

## Aircraft

- Registration: [N65378](https://openairdocs.org/deregistered/N65378-2013-02-13), registration cancelled 2013-02-13, S/N 026634, built 1976 (OpenAirDocs)
- Reported make and model: LET-NP-K L-13
- Registry model: [Let BLANIK L-13](https://openairdocs.org/model/let-blanik-l-13) (registry code 1360306) (OpenAirDocs)
- Registry engine: [NONE](https://openairdocs.org/engine/none) (registry code 00000, none) (OpenAirDocs)
- Category: Glider
- Engines: none
- Damage: Substantial damage
- Airport: Driggs 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 19780601011379A](https://openairdocs.org/incident/19780601011379A), Jun 1, 1978: Let L13BLANIK, Driggs, ID, Substantial damage. Encntrd downdrafts. Hit boundary fence.

## Other investigations on N65378 (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB FTW97LA256](https://openairdocs.org/ntsb/FTW97LA256), Jul 4, 1997: Let Blanik L-13 (N65378), Pagosa Springs, CO, substantial damage. Probable cause: The pilot's improper inflight planning in that he allowed the glider to descend to too low an altitude and stray too far from the airport, exceeding the aircraft's glide capabilities. A factor was…

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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