# NTSB SEA72FYE19: Kasper BKB, N2991G, Arlington, WA, November 6, 1971

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: November 6, 1971
- Place: Arlington, WA · ARLINGTON, WA
- Location: 48.1704° N, 122.1446° W: Placed by OpenAirDocs: center of Arlington, WA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=48.1704&lon=-122.1446&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal
- Status: Completed, report June 16, 1972
- Report: Brief approved by the director
- NTSB case key (mKey): 164177
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA72FYE19
- Page: https://openairdocs.org/ntsb/SEA72FYE19

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4039   71/11/6   ARLINGTON,WASH      KASPER BKB          CR-  1  0  0  NONCOMMERCIAL             COMMERCIAL, AGE 31, 3000
        TIME - 1205                    N2991G              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 5 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - CANADAY
        DEPARTURE POINT             INTENDED DESTINATION
          ARLINGTON,WASH              LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           AIRFRAME FAILURE: IN FLIGHT                              IN FLIGHT: ACROBATICS
           COLLISION WITH GROUND/WATER: UNCONTROLLED                IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED SPEED
           PILOT IN COMMAND - EXCEEDED DESIGNED STRESS LIMITS OF AIRCRAFT
           MISCELLANEOUS ACTS,CONDITIONS - OVERLOAD FAILURE
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - SEPARATION IN FLIGHT
        REMARKS- TAILLESS GLIDER. WG FAILED DURING INVERTED HI SPEED DESCENT. PLT HAD CHUTE,DIDNT BAIL OUT.
```

## Aircraft

- Registration: [N2991G](https://openairdocs.org/deregistered/N2991G-1972-09-21), registration cancelled 1972-09-21, S/N 1, built 1958 (OpenAirDocs)
- Reported make and model: KASPER BKB
- Registry model: [BKB 1](https://openairdocs.org/model/bkb-1) (registry code 05603CX) (OpenAirDocs)
- Category: Glider
- Engines: none
- Damage: Destroyed
- Airport: Canaday

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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