# NTSB SEA74AS049: S.Z.D. 24-4A, N21714, Burley, ID, June 15, 1974

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: June 15, 1974
- Place: Burley, ID · BURLEY, ID
- Location: 42.5374° N, 113.7913° W: Placed by OpenAirDocs: center of Burley, ID, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.5374&lon=-113.7913&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal
- Status: Completed, report September 20, 1974
- Report: Brief approved by the director
- Safety recommendations: Yes
- NTSB case key (mKey): 80145
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA74AS049
- Page: https://openairdocs.org/ntsb/SEA74AS049

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2274  74/6/15    BURLEY,ID           S.Z.D. 24-4A        CR-  1  0  0  NONCOMMERCIAL             COMMERCIAL, AGE 39, 2620
        TIME - 1400                    N21714              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 7 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          BURLEY,ID                   LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           AIRFRAME FAILURE: IN FLIGHT                              IN FLIGHT: OTHER
        PROBABLE CAUSE(S)
           AIRFRAME - WINGS: SKIN AND ATTACHMENTS
           MISCELLANEOUS ACTS,CONDITIONS - DETERIORATED
           MISCELLANEOUS ACTS,CONDITIONS - MATERIAL FAILURE
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: INADEQUATE MAINTENANCE AND INSPECTION
        FACTOR(S)
           PERSONNEL - PRODUCTION-DESIGN-PERSONNEL: OTHER
           MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT
        REMARKS- INADEQUATE ADHESIVE BOND BTWN SKIN & CTR FRAME SECT L WING.INADEQUATE MAINT INSP PROC-MANUFACTURER
```

## Aircraft

- Registration: [N21714](https://openairdocs.org/deregistered/N21714-1974-09-06), registration cancelled 1974-09-06, S/N W-242, built 1964 (OpenAirDocs)
- Reported make and model: S.Z.D. 24-4A
- Registry model: [Szybowcowy Zaklad Doswiadczaln SZD-24-4A "FOKA"-4](https://openairdocs.org/model/szybowcowy-zaklad-doswiadczaln-szd-24-4a-foka-4) (registry code 8821004) (OpenAirDocs)
- Category: Glider
- Engines: none
- Damage: Destroyed

## 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 19740615022169A](https://openairdocs.org/incident/19740615022169A), Jun 15, 1974: Amtr 8821010, Burley, ID, Destroyed. Inadequate adhesive bond btwn skin & ctr frame sect l wing. Inadequate maint insp proc-manufacturer

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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