# NTSB CHI81FA032: Beech P35, N8607M, Monarch Pass, CO, March 6, 1981

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: March 6, 1981
- Place: Monarch Pass, CO · MONARCH PASS, CO
- Phase of flight: [Uncontrolled descent](https://openairdocs.org/ntsb-phases/650) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 2 fatal
- Status: Completed, report October 28, 1981
- Report: Brief approved by the director
- NTSB case key (mKey): 126523
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=CHI81FA032
- Page: https://openairdocs.org/ntsb/CHI81FA032

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-1912   81/3/6    MONARCH PASS,CO     BEECH P35           CR-  2  0  0  NONCOMMERCIAL             PRIVATE, AGE 41, 4629
        TIME - 1203                    N8607M              PX-  0  0  0  PLEASURE/PERSONAL TRANSP  TOTAL HOURS, 876 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          ASPEN,CO                    DALLAS,TX
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           AIRFRAME FAILURE: IN FLIGHT                              IN FLIGHT: UNCONTROLLED DESCENT
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER IN-FLIGHT DECISIONS OR PLANNING
           PILOT IN COMMAND - EXCEEDED DESIGNED STRESS LIMITS OF AIRCRAFT
        FACTOR(S)
           MISCELLANEOUS ACTS,CONDITIONS - AIRFRAME ICE
           WEATHER - ICING CONDITIONS-INCLUDES SLEET,FREEZING RAIN,ETC.
        WEATHER BRIEFING - BRIEFED BY FLIGHT SERVICE PERSONNEL, BY PHONE
        WEATHER FORECAST - FORECAST SUBSTANTIALLY CORRECT
        SKY CONDITION                                            CEILING AT ACCIDENT SITE
          OVERCAST                                                  1000
        VISIBILITY AT ACCIDENT SITE                              PRECIPITATION AT ACCIDENT SITE
          2 MILES OR LESS                                          SNOW
        OBSTRUCTIONS TO VISION AT ACCIDENT SITE                  WIND DIRECTION-DEGREES
          BLOWING SNOW                                              90
        TYPE OF WEATHER CONDITIONS                               TYPE OF FLIGHT PLAN
          IFR                                                      CONTROLLED VFR
        REMARKS- GENERAL DISINTEGRATION.
```

## Aircraft

- Registration: [N8607M](https://openairdocs.org/deregistered/N8607M-1999-09-21), registration cancelled 1999-09-21, S/N D-7231 (OpenAirDocs)
- Reported make and model: BEECH P35
- Registry model: [Beech P35](https://openairdocs.org/model/beech-p35) (registry code 1151530) (OpenAirDocs)
- Category: Airplane
- Engines: reciprocating
- Damage: Destroyed

## 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 19810306008469A](https://openairdocs.org/incident/19810306008469A), Mar 6, 1981: Beech B35, Monarch Pass, CO, Destroyed. Entered icing and turbulence in snow-storm in mountain area. Lost control. Exceeded design load. Airframe failed.

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.