# NTSB FTW69F0155: Boeing E75, N3990B, Mumford, TX, August 27, 1968

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: August 27, 1968
- Place: Mumford, TX · MUMFORD, TX
- Location: 30.7344° N, 96.5650° W: Placed by OpenAirDocs: center of Mumford, TX, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=30.7344&lon=-96.5650&mi=10
- Phase of flight: [Maneuvering](https://openairdocs.org/ntsb-phases/450) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 1 fatal
- Status: Completed, report October 17, 1968
- Report: Brief approved by the director
- NTSB case key (mKey): 108884
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=FTW69F0155
- Page: https://openairdocs.org/ntsb/FTW69F0155

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2799  68/8/27    MUMFORD,TEX         BOEING E75          CR-  1  0  0  COMMERCIAL                COMMERCIAL, AGE 50, 13000
        TIME - 1055                    N3990B              PX-  0  0  0  AERIAL APPLICATION        TOTAL HOURS, 250 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            NOT INSTRUMENT RATED.
        NAME OF AIRPORT - VARISCO STRIP
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLIDED WITH: WIRES/POLES                               IN FLIGHT: CLEANUP SWATH
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - MISJUDGED CLEARANCE
         SPECIAL DATA
          TOTAL HOURS IN CROP CONTROL - UNKNOWN/NOT REPORTED       KIND OF OPERATION - SPRAYING CROPS
          KIND OF CROP - COTTON                                    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 - FORWARD OF PILOT                  TERRAIN-TYPE -LEVEL,FLAT
          ELEVATION-AREA BEING TREATED-FEET -  245                 SWATH RUN-HOW FLOWN - CROSSWIND
        REMARKS- STRUCK POWER LINES. SPRAYING PARATHION. TOXICOLOGY NOT PERFORMED.
```

## Aircraft

- Registration: [N3990B](https://openairdocs.org/deregistered/N3990B-1970-06-23), registration cancelled 1970-06-23, S/N 75-5223 (OpenAirDocs)
- Reported make and model: BOEING E75
- Registry model: [Boeing E75](https://openairdocs.org/model/boeing-e75) (registry code 1380120) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Substantial damage
- Airport: Varisco Strip

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.

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.