# NTSB SEA81IA016: Boeing 727, N439BN, Seattle, WA, January 14, 1981

- Type: NTSB incident investigation
- Classification: Incident · No injuries · Closed
- Date: January 14, 1981
- Place: Seattle, WA · SEATTLE, WA
- Location: 47.6062° N, 122.3321° W: Placed by OpenAirDocs: center of Seattle, WA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=47.6062&lon=-122.3321&mi=10
- Phase of flight: [Taxi](https://openairdocs.org/ntsb-phases/250) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 38 uninjured
- Status: Completed, report April 8, 1981
- Report: Brief approved by the director
- NTSB case key (mKey): 126655
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA81IA016
- Page: https://openairdocs.org/ntsb/SEA81IA016

## NTSB brief (aircraft 2)

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
4-0016  81/1/14    SEATTLE,WA          PIPER PA-23         CR-  0  0  1  NONCOMMERCIAL             AIRLINE TRANSPORT, AGE
        TIME - 1832                    N6676A              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  33, 6361 TOTAL HOURS,
                                       DAMAGE-NONE         OT-  0  0 37                            1268 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        CLASSIFIED AS INCIDENT
        NAME OF AIRPORT - BOEING
        DEPARTURE POINT             INTENDED DESTINATION
          SEATTLE,WA                  PORT ANGELES,WA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH AIRCRAFT: BOTH ON GROUND                  TAKEOFF: ABORTED
        PROBABLE CAUSE(S)
           PERSONNEL - MISCELLANEOUS-PERSONNEL: PILOT OF OTHER AIRCRAFT
        FACTOR(S)
           WEATHER - FOG
        WEATHER BRIEFING - BRIEFED BY FLIGHT SERVICE PERSONNEL, IN PERSON
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OBSCURATION                                               500
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          1/2 MILE OR LESS                                         NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          FOG                                                       41
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          160                                                       8
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          IFR                                                      IFR
        REMARKS- NEAR-COLLISION.B-727 HELD AT WRONG RWY BLOCKING PIPER TKOF.
```

## NTSB brief (aircraft 1)

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
4-0016  81/1/14    SEATTLE,WA          BOEING 727          CR-  0  0  6  SCHED DOM PASSG SRV       AIRLINE TRANSPORT, AGE
        TIME - 1832                    N439BN              PX-  0  0 31                            UNK/NR, UNK/NR TOTAL
                                       DAMAGE-NONE         OT-  0  0  1                            HOURS, UNK/NR IN TYPE,
                                                                                                   INSTRUMENT RATED.
        CLASSIFIED AS INCIDENT
        NAME OF AIRPORT - BOEING
        OPERATOR - BRANIFF AIRWAYS,INC.
        DEPARTURE POINT             INTENDED DESTINATION
          SEATTLE,WA                  PORTLAND,OR
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH AIRCRAFT: BOTH ON GROUND                  TAXI: TO TAKEOFF
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISUNDERSTANDING OF ORDERS OR INSTRUCTIONS
        FACTOR(S)
           WEATHER - FOG
        WEATHER BRIEFING - COMPANY DISPATCH
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OBSCURATION                                               500
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          1/2 MILE OR LESS                                         NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TEMPERATURE-F
          FOG                                                       41
        WIND DIRECTION-DEGREES                                   WIND VELOCITY-KNOTS
          160                                                       8
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          IFR                                                      IFR
        REMARKS- NEAR-COLLISION.TWR UN SEE DUE FOG.HOLDING SHORT RWY 13R VICE 13L.2/3 RWY OBSTRUCTED BY B-727.
```

## Aircraft 1

- Registration: N439BN (not matched to a registry record)
- Reported make and model: BOEING 727
- Category: Airplane
- Engines: turbo fan
- Damage: No damage
- Airport: Boeing

## Aircraft 2

- Registration: N6676A (not matched to a registry record)
- Reported make and model: PIPER PA-23
- Category: Airplane
- Engines: reciprocating
- Damage: No damage
- Airport: Boeing

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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