# NTSB MKC81FCG49: Piper PA-25, N8516L, Knob Noster, MO, July 11, 1981

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: July 11, 1981
- Place: Knob Noster, MO · KNOB NOSTER, MO
- Location: 38.7674° N, 93.5606° W: Placed by OpenAirDocs: center of Knob Noster, MO, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=38.7674&lon=-93.5606&mi=10
- Phase of flight: [Takeoff](https://openairdocs.org/ntsb-phases/300) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report August 21, 1981
- Report: Brief approved by the director
- NTSB case key (mKey): 124861
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC81FCG49
- Page: https://openairdocs.org/ntsb/MKC81FCG49

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1448  81/7/11    KNOB NOSTER,MO      PIPER PA-25         CR-  0  0  1  COMMERCIAL                COMMERCIAL, AGE 35, 455
        TIME - 1930                    N8516L              PX-  0  0  0  ASSOC CROP CTL ACTIVITY   TOTAL HOURS, 173 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - AG GRASS STRIP
        DEPARTURE POINT             INTENDED DESTINATION
          KNOB NOSTER,MO              LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: FENCE,FENCEPOSTS                          TAKEOFF: RUN
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
        FACTOR(S)
           WEATHER - HIGH DENSITY ALTITUDE
           MISCELLANEOUS ACTS,CONDITIONS - JETTISONED LOAD
        WEATHER BRIEFING - UNKNOWN/NOT REPORTED
        WEATHER FORECAST - UNKNOWN/NOT REPORTED
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          CLEAR                                                    UNLIMITED
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          5 OR OVER(UNLIMITED)                                     NONE
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  RELATIVE BEARING OF WIND
          NONE                                                     CALM
        TEMPERATURE-F                                            WIND VELOCITY-KNOTS
           98                                                      CALM
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          VFR                                                      NONE
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL -  130                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - BEANS                                     TYPE OF CHEMICAL USED - LIQUID CHEMICAL-TOXIC
          PILOT' S SEAT BELT -UNKNOWN/NOT REPORTED                 GLOVES - NOT USED
          GOGGLES - NOT USED                                       CRASH HELMET - AVAILABLE USED
          COCKPIT CRASHPAD - NOT INSTALLED                         CRASH BAR - INSTALLED
          TANK/HOPPER-LOCATION - FORWARD OF PILOT
        REMARKS- DENSITY ALT 3700FT.SPRAYING CENCOR,LASSO.UNEVEN GRASS 3IN TALL.
```

## Aircraft

- Registration: [N8516L](https://openairdocs.org/deregistered/N8516L-2013-03-07), registration cancelled 2013-03-07, S/N 25-4934, built 1969 (OpenAirDocs)
- Reported make and model: PIPER PA-25
- Registry model: [Piper PA-25-235](https://openairdocs.org/model/piper-pa-25-235) (registry code 7102504) (OpenAirDocs)
- Registry engine: [Lycoming 0-540 series](https://openairdocs.org/engine/lycoming-0-540-series) (registry code 41532, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed
- Airport: Ag Grass Strip

## 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 19810711040529A](https://openairdocs.org/incident/19810711040529A), Jul 11, 1981: Piper PA25235, Knob Noster, MO, Destroyed. Unable to climb on lift-off, went through a fence and flipped over. Pasture strip needed double length for takeoff.

## Other investigations on N8516L (1)

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 FTW92DPJ02](https://openairdocs.org/ntsb/FTW92DPJ02), Oct 10, 1991: Piper PA-25 (N8516L), Warner, OK, destroyed, 1 fatal. Probable cause: THE COMPLETE LOSS OF ENGINE POWER FOR UNDETERMINED REASON.

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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