# NTSB MKC81FA054: Aerospatle AS350D, N352RM, Iowa City, IA, September 20, 1981

- Type: NTSB accident investigation
- Classification: Accident · No injuries · Closed
- Date: September 20, 1981
- Place: Iowa City, IA · IOWA CITY, IA
- Location: 41.6557° N, 91.5309° W: Placed by OpenAirDocs: center of Iowa City, IA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.6557&lon=-91.5309&mi=10
- Phase of flight: [Enroute](https://openairdocs.org/ntsb-phases/400) (OpenAirDocs' grouping)
- Highest injury: No injuries
- Injuries: 3 uninjured
- Status: Completed, report October 30, 1981
- Report: Brief approved by the director
- NTSB case key (mKey): 123757
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=MKC81FA054
- Page: https://openairdocs.org/ntsb/MKC81FA054

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-2199  81/9/20    IOWA CITY,IA        AEROSPATLE AS350D   CR-  0  0  2  COMMERCIAL                COMMERCIAL, AGE 35, 2133
        TIME - 0057                    N352RM              PX-  0  0  1  AIR TAXI-PASSG            TOTAL HOURS, 39 IN TYPE,
                                       DAMAGE-SUBSTANTIAL  OT-  0  0  0                            INSTRUMENT RATED.
        NAME OF AIRPORT - U OF IOWA HELIPAD
        DEPARTURE POINT             INTENDED DESTINATION
          MOLINE,IL                   IOWA CITY,IA
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           PROPELLER/ROTOR FAILURE                                  IN FLIGHT: DESCENDING
           HARD LANDING                                             LANDING: POWER-OFF AUTOROTATIVE LANDING
        PROBABLE CAUSE(S)
           PERSONNEL - MAINTENANCE,SERVICING,INSPECTION: IMPROPER MAINTENANCE (MAINTENANCE PERSONNEL)
           ROTORCRAFT - TRANSMISSION ROTOR DRIVE SYSTEM: ENGINE DRIVE SHAFT
           MISCELLANEOUS ACTS,CONDITIONS - IMPROPERLY INSTALLED
        EMERGENCY CIRCUMSTANCES - PRECAUTIONARY LANDING ON AIRPORT
                                  SUSPECTED MECHANICAL DISCREPANCY
        REMARKS- WASHERS ON FLEXIBLE COUPLING BTN HYD PUMP PULLEY & ENG MAIN GEAR BOX SHAFT INSTALLED INCORRECTLY.
```

## Aircraft

- Registration: N352RM (not matched to a registry record)
- Reported make and model: AEROSPATLE AS350D
- Category: Helicopter
- Engines: turbo shaft
- Damage: Substantial damage
- Airport: U Of Iowa Helipad

## 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 19810920065209A](https://openairdocs.org/incident/19810920065209A), Sep 20, 1981: Snias AS350D, Iowa City, IA, Substantial damage. Helicopter crashed during emergency landing.

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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