# NTSB MKC72FCD18: Piper PA-18, N1731A, Webster City, IA, August 11, 1971

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: August 11, 1971
- Place: Webster City, IA · WEBSTER CITY, IA
- Location: 42.4624° N, 93.8182° W: Placed by OpenAirDocs: center of Webster City, IA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=42.4624&lon=-93.8182&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal
- Status: Completed, report July 3, 1972
- Report: Brief approved by the director
- NTSB case key (mKey): 163039
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC72FCD18
- Page: https://openairdocs.org/ntsb/MKC72FCD18

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-4173  71/8/11    WEBSTER CITY,IOWA   PIPER PA-18         CR-  1  0  0  COMMERCIAL                COMMERCIAL, AGE 25,
        TIME - 0835                    N1731A              PX-  0  0  0  AERIAL APPLICATION        UNK/NR TOTAL HOURS,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            UNK/NR IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          WEBSTER CITY,IOWA           LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           STALL                                                    IN FLIGHT: PROCEDURE TURNAROUND
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - FAILED TO OBTAIN/MAINTAIN FLYING SPEED
        FACTOR(S)
           PILOT IN COMMAND - FAILED TO FOLLOW APPROVED PROCEDURES,DIRECTIVES,ETC.
           PILOT IN COMMAND - IMPROPER OPERATION OF POWERPLANT & POWERPLANT CONTROLS
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - UNKNOWN/NOT REPORTED       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - CORN                                      TYPE OF CHEMICAL USED - LIQUID CHEMICAL-TOXIC
          PILOT' S SEAT BELT -FASTENED-PROPERLY                    GLOVES - USED
          GOGGLES - USED                                           CRASH HELMET - AVAILABLE-NOT USED
          COCKPIT CRASHPAD - NOT INSTALLED                         CRASH BAR - NOT INSTALLED
          TANK/HOPPER-LOCATION - AFT OF PILOT                      TERRAIN-TYPE -ROLLING
          ELEVATION-AREA BEING TREATED-FEET -  1100                SWATH RUN-HOW FLOWN - CROSSWIND
          PROCEDURE TURNAROUND - THIRD 1/3 TURN
         FIRE AFTER IMPACT
        REMARKS- PROC TURNAROUND W RDCD PWR.ALT TOO LOW TO RCVR FM STALL.
```

## Aircraft

- Registration: [N1731A](https://openairdocs.org/deregistered/N1731A-1971-10-04), registration cancelled 1971-10-04, S/N 18-1302 (OpenAirDocs)
- Reported make and model: PIPER PA-18
- Registry model: [Piper PA-18AS-125](https://openairdocs.org/model/piper-pa-18as-125) (registry code 7101816) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed

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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