# NTSB IAD76II029: Douglas DC9-32, N1286L, Knoxville, TN, November 7, 1975

- Type: NTSB incident investigation
- Classification: Incident · Minor injuries · Closed
- Date: November 7, 1975
- Place: Knoxville, TN · KNOXVILLE, TN
- Location: 35.9606° N, 83.9207° W: Placed by OpenAirDocs: center of Knoxville, TN, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=35.9606&lon=-83.9207&mi=10
- Phase of flight: [Landing](https://openairdocs.org/ntsb-phases/550) (OpenAirDocs' grouping)
- Highest injury: Minor injuries
- Injuries: 2 minor, 31 uninjured
- Status: Completed, report December 29, 1975
- Report: Brief approved by the director
- NTSB case key (mKey): 151323
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=IAD76II029
- Page: https://openairdocs.org/ntsb/IAD76II029

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
4-0025   75/11/7   KNOXVILLE,TN        DOUGLAS DC9-32      CR-  0  0  5  SCHED DOM PASSG SRV       AIRLINE TRANSPORT, AGE
        TIME - 0720                    N1286L              PX-  0  0 28                            38, 7800 TOTAL HOURS,
                                       DAMAGE-NONE         OT-  0  0  0                            3000 IN TYPE, INSTRUMENT
                                                                                                   RATED.
        CLASSIFIED AS INCIDENT
        NAME OF AIRPORT - MCGHEE TYSON
        OPERATOR - DELTA AIR LINES,INC.
        DEPARTURE POINT             INTENDED DESTINATION
          ATLANTA,GA                  KNOXVILLE,TN
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           MISCELLANEOUS                                            LANDING: ROLL
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO FOLLOW APPROVED PROCEDURES,DIRECTIVES,ETC.
           SYSTEMS - FLIGHT CONTROL SYSTEMS: WING SPOILER SYSTEM
        FACTOR(S)
           AIRPORTS/AIRWAYS/FACILITIES - AIRPORT CONDITIONS: WET RUNWAY
           WEATHER - RAIN
           MISCELLANEOUS ACTS,CONDITIONS - RAN OFF END OF RUNWAY
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OVERCAST                                                  700
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          2 MILES OR LESS                                          RAIN
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  TYPE OF WEATHER CONDITIONS
          FOG                                                      IFR
        TYPE OF FLIGHT PLAN
          IFR
        REMARKS- SPOILER ARMED DID NOT DEPLOY.CREW DID NOT CHECK,DID NOT DEPLOY MANUALLY.ACFT MIRED IN MUD OFF RWY.
```

## Aircraft

- Registration: N1286L (not matched to a registry record)
- Reported make and model: DOUGLAS DC9-32
- Category: Airplane
- Engines: turbo jet
- Damage: No damage
- Airport: Mcghee Tyson

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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