# NTSB OAK79DA022: Cessna 207, N1551U, Boulder, NV, March 27, 1979

- Type: NTSB accident investigation
- Classification: Accident · Serious injuries · Closed
- Date: March 27, 1979
- Place: Boulder, NV · BOULDER, NV
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Serious injuries
- Injuries: 1 serious, 6 uninjured
- Status: Completed, report April 20, 1979
- Report: Brief approved by the director
- NTSB case key (mKey): 137304
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=OAK79DA022
- Page: https://openairdocs.org/ntsb/OAK79DA022

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0369  79/3/27  NR.BOULDER,NV         CESSNA 207          CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 0945                    N1551U              PX-  0  1  5  AIR TAXI-PASSG            AGE 28, 1286 TOTAL HOURS,
                                       DAMAGE-NONE         OT-  0  0  0                            344 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          LAS VEGAS,NV                GRAND CANYON,AZ
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           TURBULENCE                                               IN FLIGHT: NORMAL CRUISE
        PROBABLE CAUSE(S)
           WEATHER - DOWNDRAFT,UPDRAFTS
           PERSONNEL - MISCELLANEOUS-PERSONNEL: PASSENGER
           MISCELLANEOUS ACTS,CONDITIONS - SEAT BELT NOT FASTENED
        WEATHER BRIEFING - BRIEFED BY FLIGHT SERVICE PERSONNEL, BY PHONE
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          BROKEN                                                    5000
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          NONE                                                      62
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          140                                                       20
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      VFR
        REMARKS- A PSGR RCV COMPRESSION OF L-1 VERTEBRA.
```

## Aircraft

- Registration: [N1551U](https://openairdocs.org/deregistered/N1551U-2018-03-21), registration cancelled 2018-03-21, S/N 20700151 (OpenAirDocs)
- Reported make and model: CESSNA 207
- Registry model: [Cessna T207](https://openairdocs.org/model/cessna-t207) (registry code 2073612) (OpenAirDocs)
- Registry engine: [TCM Cont TSIO-520 series](https://openairdocs.org/engine/tcm-cont-tsio-520-series) (registry code 17060, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: No damage

## FAA reports on this event (1)

The FAA's own accident and incident reports, matched to the aircraft by N-number and date (OpenAirDocs).

- [Incident 19790327011719I](https://openairdocs.org/incident/19790327011719I), Mar 27, 1979: Cessna 207, Las Vegas, NV. Flight encountered sever turbulance near mt wilson at 6500 ft.

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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