# NTSB DEN77FA031: Cessna 210L, N1630X, Elk Mountain, WY, March 16, 1977

- Type: NTSB accident investigation
- Classification: Accident · Fatal · Closed
- Date: March 16, 1977
- Place: Elk Mountain, WY · ELK MOUNTAIN, WY
- Location: 41.6883° N, 106.4135° W: Placed by OpenAirDocs: center of Elk Mountain, WY, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.6883&lon=-106.4135&mi=10
- Phase of flight: [Unknown](https://openairdocs.org/ntsb-phases/990) (OpenAirDocs' grouping)
- Highest injury: Fatal
- Injuries: 2 fatal
- Status: Completed, report May 16, 1977
- Report: Brief approved by the director
- NTSB case key (mKey): 157700
- NTSB case page: https://web.ntsb.gov/investigations/?ntsbnumber=DEN77FA031
- Page: https://openairdocs.org/ntsb/DEN77FA031

## NTSB brief

```
----------------------------------------------------------------------------------------------------------------------------
 FILE    DATE          LOCATION          AIRCRAFT DATA       INJURIES       FLIGHT                        PILOT DATA
                                                               F  S M/N     PURPOSE
----------------------------------------------------------------------------------------------------------------------------
3-3090  77/3/16  NR.ELK MOUNTAIN,WY    CESSNA 210L         CR-  1  0  0  NONCOMMERCIAL             PRIVATE, AGE 32, 281
        TIME - 2050                    N1630X              PX-  1  0  0  BUSINESS                  TOTAL HOURS, 18 IN TYPE,
                                       DAMAGE-DESTROYED    OT-  0  0  0                            NOT INSTRUMENT RATED.
        DEPARTURE POINT             INTENDED DESTINATION
          ROCK SPRINGS,WY             DENVER,CO
        TYPE OF ACCIDENT                                         PHASE OF OPERATION
           COLLISION WITH GROUND/WATER: CONTROLLED                  IN FLIGHT: NORMAL CRUISE
        PROBABLE CAUSE(S)
           PILOT IN COMMAND - IMPROPER IN-FLIGHT DECISIONS OR PLANNING
           PILOT IN COMMAND - INADEQUATE PREFLIGHT PREPARATION AND/OR PLANNING
        FACTOR(S)
           TERRAIN - HIGH OBSTRUCTIONS
        MISSING AIRCRAFT - LATER RECOVERED
        REMARKS- RECOVERY DATE 070477.ACFT FLEW INTO MT AT CRUISEALT AFTER PILOT CHANGED COURSE ENROUTE.
```

## Aircraft

- Registration: [N1630X](https://openairdocs.org/deregistered/N1630X-1977-12-28), registration cancelled 1977-12-28, S/N 21060666 (OpenAirDocs)
- Reported make and model: CESSNA 210L
- Registry model: [Cessna 210L](https://openairdocs.org/model/cessna-210l) (registry code 2073448) (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 19770316033889A](https://openairdocs.org/incident/19770316033889A), Mar 16, 1977: Cessna 210L, Missing Aircraf, WY, Destroyed, 1 fatal. Injury index & damage presumed.

## Other investigations on N1630X (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 DEN77DA031](https://openairdocs.org/ntsb/DEN77DA031), Mar 16, 1977: Cessna 210L (N1630X), Missing Aircraft, destroyed, 2 fatal
- [NTSB CHI76FEI37](https://openairdocs.org/ntsb/CHI76FEI37), Jul 25, 1976: Cessna 210L (N1630X), Wadsworth, OH, 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.

---
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.
