# NTSB SEA75AS028: Brittnorman BN-2A, N66HA, Riverton Hts, WA, December 26, 1974

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: December 26, 1974
- Place: Riverton Hts, WA · RIVERTON HTS, WA
- Location: 47.4690° N, 122.3015° W: Placed by OpenAirDocs: center of Riverton Heights, WA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=47.4690&lon=-122.3015&mi=10
- Phase of flight: [Initial climb](https://openairdocs.org/ntsb-phases/350) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 4 fatal, 2 serious
- Status: Completed, report February 27, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 144945
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA75AS028
- Page: https://openairdocs.org/ntsb/SEA75AS028

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4190  74/12/26   RIVERTON HTS,WASH   BRITTNORMAN BN-2A   CR-  1  0  0  COMMERCIAL                COMMERCIAL, AGE 28, 2000
        TIME - 1805                    N66HA               PX-  3  2  0  COMMUTER AIR CARRIER      TOTAL HOURS, 342 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0  AIR TAXI-PASSG S-D        INSTRUMENT RATED.
        NAME OF AIRPORT - SEATTLE-TACOMA
        DEPARTURE POINT             INTENDED DESTINATION
          RIVERTON HTS,WASH           OAK HARBOR,WASH
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: CONTROLLED                  TAKEOFF: INITIAL CLIMB
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - DIVERTED ATTENTION FROM OPERATION OF AIRCRAFT
           MISCELLANEOUS ACTS,CONDITIONS - INSTRUMENTS-MISREAD OR FAILED TO READ
        FACTOR(S)
           WEATHER - LOW CEILING
           WEATHER - SNOW
           TERRAIN - HIGH OBSTRUCTIONS
           INSTRUMENTS/EQUIPMENT AND ACCESSORIES - FLIGHT AND NAVIGATION INSTRUMENTS: AIRSPEED
           MISCELLANEOUS ACTS,CONDITIONS - OBSTRUCTED
           MISCELLANEOUS - FOREIGN MATERIAL AFFECTING NORMAL OPERATIONS
        WEATHER BRIEFING - BRIEFED BY FLIGHT SERVICE PERSONNEL, BY PHONE
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OVERCAST                                                  300
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          1 MILE OR LESS                                           SNOW
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          FOG                                                       32
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
           20                                                       10
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          IFR                                                      IFR
        REMARKS- RESIDENTIAL AREA.UNK MATTER IN PITOT STATIC SYSTEM EFFECTED A/S IND.
```

## Aircraft

- Registration: [N66HA](https://openairdocs.org/deregistered/N66HA-1975-03-26), registration cancelled 1975-03-26, S/N 31 (OpenAirDocs)
- Reported make and model: BRITTNORMAN BN-2A
- Registry model: [Britten-Norman BN-2 ISLANDER](https://openairdocs.org/model/britten-norman-bn-2-islander) (registry code 1520202) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed
- Airport: Seattle-Tacoma

## 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 19741226043599A](https://openairdocs.org/incident/19741226043599A), Dec 26, 1974: Bnorm BN2A, Riverton Hts, WA, Destroyed, 3 fatal. Residential area. Unk matter in pitot static system effected a/s ind.

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

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