# NTSB SEA75AS037: Beech 99, N851SA, Spokane, WA, April 6, 1975

- Type: NTSB accident investigation
- Classification: Accident · Minor injuries · Closed
- Date: April 6, 1975
- Place: Spokane, WA · SPOKANE, WA
- Location: 47.6588° N, 117.4260° W: Placed by OpenAirDocs: center of Spokane, WA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=47.6588&lon=-117.4260&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 3 minor, 5 uninjured
- Status: Completed, report April 17, 1975
- Report: Brief approved by the director
- Safety recommendations: Yes
- NTSB case key (mKey): 79370
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA75AS037
- Page: https://openairdocs.org/ntsb/SEA75AS037

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-0507   75/4/6    SPOKANE,WA          BEECH 99            CR-  0  0  2  COMMERCIAL                AIRLINE TRANSPORT, AGE
        TIME - 1445                    N851SA              PX-  0  0  6  COMMUTER AIR CARRIER      42, 6131 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0  AIR TAXI-PASSG S-D        3006 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        NAME OF AIRPORT - SPOKANE INTL
        DEPARTURE POINT             INTENDED DESTINATION         LAST ENROUTE STOP
          WALLA WALLA,WA              SPOKANE,WA                   PASCO,WA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           WHEELS-UP                                                LANDING: LEVEL OFF/TOUCHDOWN
        PROBABLE CAUSE(S)
           AIRFRAME - LANDING GEAR: NORMAL RETRACTION/EXTENSION ASSEMBLY
           AIRFRAME - LANDING GEAR: EMERGENCY/EXTENSION ASSEMBLY
           MISCELLANEOUS ACTS,CONDITIONS - JAMMED
           SYSTEMS - ELECTRICAL SYSTEM: RELAYS AND WIRING
           MISCELLANEOUS ACTS,CONDITIONS - ARCING
           MISCELLANEOUS ACTS,CONDITIONS - STUCK
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - ELECTRICAL FAILURE
           MISCELLANEOUS ACTS,CONDITIONS - LANDED ON FOAMED RUNWAY
        EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING ON AIRPORT
                                  SUSPECTED MECHANICAL DISCREPANCY
        REMARKS- STUCK RELAY ALLOWED GEAR TO EXCEED UP LIMITS. JAMMED GR IN FULL UP POS.
```

## Aircraft

- Registration: [N851SA](https://openairdocs.org/deregistered/N851SA-2012-08-09), registration cancelled 2012-08-09, S/N U-25, built 1968 (OpenAirDocs)
- Reported make and model: BEECH 99
- Registry model: [Beech 99](https://openairdocs.org/model/beech-99) (registry code 1154002) (OpenAirDocs)
- Registry engine: [U/A Canada PT6 SER 578HP](https://openairdocs.org/engine/u-a-canada-pt6-ser-578hp) (registry code 61501, turbo-prop) (OpenAirDocs)
- Category: Airplane
- Engines: turbo prop
- Damage: Substantial damage
- Airport: Spokane Intl

## 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 19750406007839A](https://openairdocs.org/incident/19750406007839A), Apr 6, 1975: Beech 99, Wenatchee, WA, Substantial damage. Cb pulled drg prev go-arnd due gr warning horn sounding when flaps retracted to 20DEG.

## Other investigations on N851SA (2)

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.

- [NTSB SEA75IS028](https://openairdocs.org/ntsb/SEA75IS028), Jan 30, 1975: Beech 99 (N851SA), Wenatchee, WA, incident, minor damage
- [NTSB MIA69A0043](https://openairdocs.org/ntsb/MIA69A0043), Jan 30, 1969: Beech 99 (N851SA), Orlando, FL, substantial damage

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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