# NTSB UNK64X3548: Mooney MK-20, N5241B, Seigler Spgs, CA, August 22, 1964

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: August 22, 1964
- Place: Seigler Spgs, CA · SEIGLER SPGS, CA
- Location: 38.8743° N, 122.6886° W: Placed by OpenAirDocs: center of Seigler Springs, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=38.8743&lon=-122.6886&mi=10
- Phase of flight: [Approach](https://openairdocs.org/ntsb-phases/500) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal, 1 serious, 2 minor
- Status: Completed, report November 13, 1964
- Report: Brief approved by the director
- NTSB case key (mKey): 182643
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=UNK64X3548
- Page: https://openairdocs.org/ntsb/UNK64X3548

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
2-0628  64/8/22  NR.SEIGLER SPGS CALF  MOONEY MK-20        CR-  1  0  0  NONCOMMERCIAL             PRIVATE, AGE 30, 500
        TIME - 1027                    N5241B              PX-  0  1  2  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, ALL IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - HOBERG
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: CONTROLLED                  LANDING: GO-AROUND
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - DELAYED IN INITIATING GO-AROUND
           PILOT IN COMMAND - FAILED TO FOLLOW APPROVED PROCEDURES,DIRECTIVES,ETC.
        FACTOR(S)
           WEATHER - HIGH DENSITY ALTITUDE
        WEATHER BRIEFING - UNKNOWN/NOT REPORTED
        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                  TYPE OF WEATHER CONDITIONS
          NONE                                                     VFR
        TYPE OF FLIGHT PLAN
          NONE
         FIRE AFTER IMPACT
        REMARKS- PILOT DELAYED GOAROUND TO EXTENT AIRCRAFT COULD NOT CLEAR RISING TERRAIN AHEAD IN BOX CANYON
```

## Aircraft

- Registration: [N5241B](https://openairdocs.org/deregistered/N5241B-1964-09-16), registration cancelled 1964-09-16, S/N 1104 (OpenAirDocs)
- Reported make and model: MOONEY MK-20
- Registry model: [Mooney M20](https://openairdocs.org/model/mooney-m20) (registry code 5870202) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed
- Airport: Hoberg

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.