Denver - Cheyenne

Few minutes after takeoff from Denver-Stapleton Airport, while climbing to an altitude of 12,000 feet, the crew reported hydraulic problems and was cleared to return. Shortly later, the airplane entered an uncontrolled descent and crashed in a field located 10 miles northeast of Stapleton Airport. A passenger was seriously injured while four other occupants were killed.

Flight / Schedule

Denver - Cheyenne

Registration

N60MB

MSN

15

Year of Manufacture

1974

Operator

Mountain Bell

Date

April 3, 1977 at 04:52 AM

Type

CRASH

Flight Type

Executive/Corporate/Business

Flight Phase

Takeoff (climb)

Crash Site

Plain, Valley

Crash Location

Denver Colorado

Region

North America • United States of America

Coordinates

39.7392°, -104.9849°

Crash Cause

Technical failure

Narrative Report

On April 3, 1977 at 04:52 AM, Denver - Cheyenne experienced a crash involving Dassault Falcon 10, operated by Mountain Bell, with the event recorded near Denver Colorado.

The flight was categorized as executive/corporate/business and the reported phase was takeoff (climb) at a plain, valley crash site.

5 people were known to be on board, 4 fatalities were recorded, 1 survivors were identified or estimated. This corresponds to an estimated fatality rate of 80.0%.

Crew on board: 2, crew fatalities: 2, passengers on board: 3, passenger fatalities: 2, other fatalities: 0.

The listed crash cause is technical failure. Few minutes after takeoff from Denver-Stapleton Airport, while climbing to an altitude of 12,000 feet, the crew reported hydraulic problems and was cleared to return. Shortly later, the airplane entered an uncontrolled descent and crashed in a field located 10 miles northeast of Stapleton Airport. A passenger was seriously injured while four other occupants were killed.

Aircraft reference details include registration N60MB, MSN 15, year of manufacture 1974.

Geospatial coordinates for this crash are approximately 39.7392°, -104.9849°.

Fatalities

Total

4

Crew

2

Passengers

2

Other

0

Crash Summary

Few minutes after takeoff from Denver-Stapleton Airport, while climbing to an altitude of 12,000 feet, the crew reported hydraulic problems and was cleared to return. Shortly later, the airplane entered an uncontrolled descent and crashed in a field located 10 miles northeast of Stapleton Airport. A passenger was seriously injured while four other occupants were killed.

Cause: Technical failure

Occupants & Outcome

Crew On Board

2

Passengers On Board

3

Estimated Survivors

1

Fatality Rate

80.0%

Known people on board: 5

Operational Details

Schedule / Flight

Denver - Cheyenne

Operator

Mountain Bell

Flight Type

Executive/Corporate/Business

Flight Phase

Takeoff (climb)

Crash Site

Plain, Valley

Region / Country

North America • United States of America

Aircraft Details

Registration

N60MB

MSN

15

Year of Manufacture

1974