# NTSB SEA74DYA08: Piper PA-18A, N3707A, Mud Lake, ID, August 13, 1973

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: August 13, 1973
- Place: Mud Lake, ID · MUD LAKE, ID
- Location: 43.8429° N, 112.4795° W: Placed by OpenAirDocs: center of Mud Lake, ID, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=43.8429&lon=-112.4795&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 1 uninjured
- Status: Completed, report January 23, 1974
- Report: Brief approved by the director
- NTSB case key (mKey): 188798
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=SEA74DYA08
- Page: https://openairdocs.org/ntsb/SEA74DYA08

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3623  73/8/13  NR.MUD LAKE,ID        PIPER PA-18A        CR-  0  0  1  COMMERCIAL                COMMERCIAL, FL.INSTR.,
        TIME - 1300                    N3707A              PX-  0  0  0  AERIAL APPLICATION        AGE 39, 8000 TOTAL HOURS,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            UNK/NR IN TYPE, NOT
                                                                                                   INSTRUMENT RATED.
        NAME OF AIRPORT - MUD LAKE
        DEPARTURE POINT             INTENDED DESTINATION
         MUD LAKE,ID                  LOCAL
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: WIRES/POLES                               IN FLIGHT: PROCEDURE TURNAROUND
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
           MISCELLANEOUS - EVASIVE MANEUVER TO AVOID COLLISION
        FACTOR(S)
           TERRAIN - HIDDEN OBSTRUCTIONS
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL -  200                       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - OTHER                                     TYPE OF CHEMICAL USED - LIQUID CHEMICAL-TOXIC
          PILOT' S SEAT BELT -UNKNOWN/NOT REPORTED                 GLOVES - NOT USED
          GOGGLES - NOT USED                                       CRASH HELMET - AVAILABLE-NOT USED
          COCKPIT CRASHPAD - NOT INSTALLED                         CRASH BAR - NOT INSTALLED
          TANK/HOPPER-LOCATION - BELLY                             TERRAIN-TYPE -LEVEL,FLAT
          ELEVATION-AREA BEING TREATED-FEET -  4850                SWATH RUN-HOW FLOWN - UNKNOWN/NOT REPORTED
          PROCEDURE TURNAROUND - FIRST 1/3 TURN
        REMARKS- SPRAYING HAY. FLEW INTO WIRES AVOIDING TREES.
```

## Aircraft

- Registration: [N3707A](https://openairdocs.org/aircraft/N3707A), registered now, S/N 18-3388, built 1958 (OpenAirDocs)
- Reported make and model: PIPER PA-18A
- Registry model: [Piper PA-18A](https://openairdocs.org/model/piper-pa-18a) (registry code 7101804) (OpenAirDocs)
- Registry engine: [Lycoming 0-320 series](https://openairdocs.org/engine/lycoming-0-320-series) (registry code 41508, reciprocating) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Mud Lake

## 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 19730813026539A](https://openairdocs.org/incident/19730813026539A), Aug 13, 1973: Piper PA18A, Mud Lake, ID, Substantial damage. Spraying hay. Flew into wires avoiding trees.

## Other investigations on N3707A (2)

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 SEA76DYA22](https://openairdocs.org/ntsb/SEA76DYA22), Jan 25, 1976: Piper PA-18 (N3707A), Idaho Falls, ID, substantial damage
- [NTSB NYC66F0124](https://openairdocs.org/ntsb/NYC66F0124), Jul 29, 1965: Piper PA-18A (N3707A), Southwick, MA, substantial damage

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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