# NTSB SEA76AS069: Mooney M20C, N9116V, Portland, OR, August 11, 1976

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: August 11, 1976
- Place: Portland, OR · PORTLAND, OR
- Location: 45.5235° N, 122.6762° W: Placed by OpenAirDocs: center of Portland, OR, within about 7 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=45.5235&lon=-122.6762&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal
- Status: Completed, report October 15, 1976
- Report: Brief approved by the director
- NTSB case key (mKey): 155411
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA76AS069
- Page: https://openairdocs.org/ntsb/SEA76AS069

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2555  76/8/11    PORTLAND,OR         MOONEY M20C         CR-  1  0  0  NONCOMMERCIAL             COMMERCIAL, AGE 34, 437
        TIME - 0716                    N9116V              PX-  0  0  0  BUSINESS                  TOTAL HOURS, 287 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - PORTLAND INTL
        DEPARTURE POINT             INTENDED DESTINATION
          TWISP,WA                    PORTLAND,OR
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: WIRES/POLES                               IN FLIGHT: DESCENDING
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER IFR OPERATION
           PILOT IN COMMAND - FAILED TO FOLLOW APPROVED PROCEDURES,DIRECTIVES,ETC.
           PILOT IN COMMAND - FAILED TO SEE AND AVOID OBJECTS OR OBSTRUCTIONS
        FACTOR(S)
           WEATHER - LOW CEILING
           WEATHER - FOG
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT FACILITIES: OTHER
        WEATHER BRIEFING - BRIEFED BY FLIGHT SERVICE PERSONNEL, BY PHONE
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OVERCAST                                                  400
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          2 MILES OR LESS                                          NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          FOG                                                       59
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
           10                                                       4
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          IFR                                                      VFR FLIGHT FOLLOWING SERVICE
        REMARKS- REQ FLT FOLWG THEN ACCPD ILS APPR.TWR COMMO FAILURE OCCRD DURG APPR, ACFT DESCENDED BELOW G/S.
```

## Aircraft

- Registration: [N9116V](https://openairdocs.org/deregistered/N9116V-1976-12-30), registration cancelled 1976-12-30, S/N 690017, built 1969 (OpenAirDocs)
- Reported make and model: MOONEY M20C
- Registry model: [Mooney M20C](https://openairdocs.org/model/mooney-m20c) (registry code 5870208) (OpenAirDocs)
- Registry engine: [Lycoming O&VO-360 series](https://openairdocs.org/engine/lycoming-o-vo-360-series) (registry code 41514, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed
- Airport: Portland 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 19760811032719A](https://openairdocs.org/incident/19760811032719A), Aug 11, 1976: Mooney M20C, Portland, OR, Destroyed. Req flt folwg then accpd ILS appr. Twr commo failure occrd durg appr, acft descended below g/s.

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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