# NTSB LAX76DUM23: Scorpion TOO, N525BG, San Diego, CA, March 12, 1976

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: March 12, 1976
- Place: San Diego, CA · SAN DIEGO, CA
- Location: 32.7153° N, 117.1573° W: Placed by OpenAirDocs: center of San Diego, CA, within about 10 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=32.7153&lon=-117.1573&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report April 23, 1976
- Report: Brief approved by the director
- NTSB case key (mKey): 153171
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=LAX76DUM23
- Page: https://openairdocs.org/ntsb/LAX76DUM23

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0476  76/3/12    SAN DIEGO,CA        SCORPION TOO        CR-  0  0  1  MISCELLANEOUS             COMMERCIAL, AGE 58, 226
        TIME - 1545                    N525BG              PX-  0  0  0  TEST                      TOTAL HOURS, UNK/NR IN
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            TYPE, NOT INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - BROWN FIELD MUNI
        DEPARTURE POINT             INTENDED DESTINATION
          SAN DIEGO,CA                LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           ROLL OVER                                                IN FLIGHT: HOVERING
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER COMPENSATION FOR WIND CONDITIONS
           WEATHER - UNFAVORABLE WIND CONDITIONS
        FACTOR(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
        WEATHER BRIEFING - NO RECORD OF BRIEFING RECEIVED
        WEATHER FORECAST - 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                  RELATIVE BEARING OF WIND
          NONE                                                     RIGHT QUARTERING HEAD WIND 023-067 DEGREES
        TEMPERATURE-F                                            WIND DIRECTION-DEGREES
           62                                                      185
        WIND VELOCITY-KNOTS                                      TYPE OF WEATHER CONDITIONS
           13                                                      VFR
        TYPE OF FLIGHT PLAN
          NONE
        REMARKS- GUSTING TO 18K. CHECKING FOR VIBRATION IN ROTOR SYSTEM.
```

## Aircraft

- Registration: [N525BG](https://openairdocs.org/deregistered/N525BG-2013-04-23), registration cancelled 2013-04-23, S/N 261, built 1974 (OpenAirDocs)
- Reported make and model: SCORPION TOO
- Registry model: [Gillespie SCORPION TWO](https://openairdocs.org/model/gillespie-scorpion-two) (registry code 1301076) (OpenAirDocs)
- Registry engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999) (OpenAirDocs)
- Category: Helicopter, amateur-built
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Brown Field 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 19760312005909A](https://openairdocs.org/incident/19760312005909A), Mar 12, 1976: Amtr 1301076, San Diego, CA, Substantial damage. Gusting to 18K. Checking for vibration in rotor system.

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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