DEN07IA021

NTSB incident investigation · Beech P35 · Los Alamos, NM · November 6, 2006

Incident · No injuriesIncident investigationFinal report
Date
November 6, 2006, 15:00 local (22:00 UTC)
Place
Los Alamos, NM
Injuries
3 uninjured
Phase of flight
Landing
Aircraft
N102HBeech P35N5368EBeech K35
Weather
Visual (VMC) · Day
Status
Completed · report May 29, 2007
Report
Approved by Office Director
Parties
Federal Aviation Administration
FAA report
20061106023921I
Case key
64838

From the NTSB’s public API. By law, NTSB reports can’t be used as evidence in lawsuits over the incident.

On this page

Probable cause

The NTSB’s determination of the probable cause, and any contributing factors.

the failure of both pilots to maintain adequate visual lookout during the visual approach. A contributing factor was the failure of N5368E's pilot to communicate his intentions on the Common Traffic Advisory Frequency.

the failure of both pilots to maintain adequate visual lookout during the visual approach. A contributing factor was the failure of the N5368E's pilot to communicate his intentions on the Common Traffic Advisory Frequency.

Analysis

The airplane, a Beech P35, approached the airport from the north. At a local reporting location for airport, the pilot reported on the common traffic advisory (CTAF) frequency, 123.0 MHz, his position, altitude, and intention to land. The pilot completed his pre-landing checks approximately 1/2 miles from the runway 27 threshold and did not note any other aircraft or objects on the runway. Approximately 10 feet above the runway, the pilot began to initiate his landing flare when he heard a "clunk" sound. The airplane began what the pilot thought was his landing roll; however, his airplane was still 6 to 7 feet above the runway. The pilot then noticed his airplane begin to turn to the right and he attempted to correct to the left. Subsequently, the pilot observed another airplane underneath his airplane. Both airplanes turned to the right and came to rest on the runway. The pilot did not receive any transmissions from other aircraft in the area at the time of his approach and landing. The pilot of the other airplane, a Beech K35, reported that while en route with flight following from air traffic control, he and his passenger reviewed the airport chart because it was an "unfamiliar airport." The Beech K35 also approached the airport from the north, and he reported his position, altitude and intentions on the frequency 122.8 MHz. During the approach, the pilot and passenger did not hear over the radio or see any other aircraft in the area. The Beech K35 airplane entered a right base for runway 27 at 8,000 feet mean sea level. The pilot landed the airplane on runway 27 and approximately one second after touchdown, the Beech P35 airplane landed on top of his airplane. The CTAF for the airport is 123.0 MHz.

The airplane, a Beech P35, approached the airport from the north. At a local reporting location for airport, the pilot reported on the common traffic advisory (CTAF) frequency, 123.0 MHz, his position, altitude, and intention to land. The pilot completed his pre-landing checks approximately 1/2 miles from the runway 27 threshold and did not note any other aircraft or objects on the runway. Approximately 10 feet above the runway, the pilot began to initiate his landing flare when he heard a "clunk" sound. The airplane began what the pilot thought was his landing roll; however, his airplane was still 6 to 7 feet above the runway. The pilot then noticed his airplane begin to turn to the right and he attempted to correct to the left. Subsequently, the pilot observed another airplane underneath his airplane. Both airplanes turned to the right and came to rest on the runway. The pilot did not receive any transmissions from other aircraft in the area at the time of his approach and landing. The pilot of the other airplane, a Beech K35, reported that while en route with flight following from air traffic control, he and his passenger reviewed the airport chart because it was an "unfamiliar airport." The Beech K35 also approached the airport from the north, and he reported his position, altitude and intentions on the frequency 122.8 MHz. During the approach, the pilot and passenger did not hear over the radio or see any other aircraft in the area. The Beech K35 airplane entered a right base for runway 27 at 8,000 feet mean sea level. The pilot landed the airplane on runway 27 and approximately one second after touchdown, the Beech P35 airplane landed on top of his airplane. The CTAF for the airport is 123.0 MHz.

Factual narrative

See Factual Narrative For DEN07IA021A.

The factual narrative593 words

On November 6, 2006, approximately 1500 mountain standard time, a Beech P35 single-engine airplane, N102H, and a Beech K35 single-engine airplane, N5368E, collided during landing on runway 27 at Los Alamos County Airport, Los Alamos, New Mexico. Both airplanes sustained minor damage. N102H was registered to and operated by the pilot, and N5368E was registered to Bonzair LLC, Taos, New Mexico and operated by the pilot. The commercial pilot, who was the sole occupant of N102H, was not injured, and the airline transport pilot and pilot-rated passenger of N5368E were not injured. Visual meteorological conditions prevailed at the time of the incident for the Title 14 Code of Federal Regulations Part 91 personal flights. A visual flight rules (VFR) flight plan was filed for N102H, and no flight plan was filed for N5368E. N102H departed Meadow Lake Airport (00V), Peyton, Colorado, at 1330, and was destined for LAM; N5368E departed Yerington Municipal Airport (O43), Yerington, Nevada, at an unknown time and was destined for LAM.

According to the pilot of N102H, he approached LAM from the north. At the Otowi Bridge, a local reporting location for LAM, he reported on LAM's common traffic advisory (CTAF) frequency, 123.0 MHz, his position, altitude, and intention to land at LAM. The pilot completed his pre-landing checks approximately 1/2 miles from the runway 27 threshold and did not note any other aircraft or objects on the runway. Approximately 10 feet above the runway, the pilot began to initiate his landing flare when he heard a "clunk" sound. The airplane began what the pilot thought was his landing roll; however, his airplane was still 6 to 7 feet above the runway. The pilot then noticed his airplane begin to turn to the right and he attempted to correct to the left. Subsequently, the pilot observed another airplane underneath his airplane. Both airplanes turned to the right and came to rest on the runway. The pilot did not receive any transmissions from other aircraft in the area at the time of his approach and landing.

According to the pilot of N5368E, he and his passenger (co-owner of the airplane) decided to stop for fuel at LAM prior to heading to Taos, New Mexico, which was their final destination. While en route with flight following from Albuquerque Air Route Traffic Control Center (ARTCC), the pilot and passenger reviewed the LAM airport chart because LAM was an "unfamiliar airport." The pilot approached LAM from the north, and he reported his position, altitude and intentions on the frequency 122.8 MHz. During the approach, the pilot and passenger did not hear over the radio or see any other aircraft in the area. The airplane entered a right base for runway 27 at 8,000 feet mean sea level. The pilot landed the airplane on runway 27 and approximately one second after touchdown, N102H landed on top of his airplane.

The Los Alamos Airport, LAM, is a public, uncontrolled airport located 1 mile east of Los Alamos, New Mexico, at 35 degrees, 52.788 minutes north latitude, and 106 degrees, 16.165 minutes west longitude, at a surveyed elevation of 7,171 feet. The airport features one asphalt runway, Runway 9/27, which is 5,550 feet by 113 feet. Operational restrictions require all landings to be conducted to the west and all takeoffs to the east. Additional remarks include the following: left hand traffic pattern from left base over the river east of town of White Rock due to restricted area south of town; radio communication required before entering traffic pattern. The CTAF for the airport is 123.0 MHz.

Sequence of events

NTSB’s coding before 2008: each occurrence and phase of flight, and the causes and factors under it. The codes are defined in NTSB’s coding manual.

Midair collisionLanding - flare/touchdown
Communications - incorrectPilot of other aircraftFactor
Visual lookout - not maintainedPilot in commandCause
Midair collisionLanding - flare/touchdown
Communications - incorrectPilot in commandFactor
Visual lookout - not maintainedPilot in commandCause

Aircraft · 2

Registration
N102H
Reported as
Beech P35
Category
Airplane
Serial number
D-7153
Airframe hours
6,699
Engine
Continental IO-470-N, 260 horsepower, reciprocating
Damage
Minor damage
Flight
Personal · Part 91
Registered owner
James L. Unruh
Airworthiness certificate
Standard, Normal
Last inspection
Annual · October 1, 2006 · 2 hours before
Departed
00V · Peyton, CO
Destination
LAM · Los Alamos, NM
Flight plan
VFR
Airport
LAM · Los Alamos, runway 27, 5,550 × 130 ft, asphalt
Registration
N5368E
Reported as
Beech K35
Category
Airplane
Serial number
D-5847
Airframe hours
4,712
Engine
Continental IO-470-C, 250 horsepower, reciprocating
Damage
Minor damage
Flight
Personal · Part 91
Registered owner
Bonzair LLC
Airworthiness certificate
Standard, Normal
Last inspection
Annual · June 1, 2006 · 28 hours before
Departed
O43 · Yerington, NV
Destination
LAM · Los Alamos, NM
Airport
LAM · Los Alamos, runway 27, 5,550 × 130 ft, asphalt

Matched to the registry by N-number and the event date; the registry’s history has gaps, so older matches can be wrong. Compare the reported make and model.

Flight crew · 2

As NTSB recorded them. NTSB leaves out names.

Role
Pilot, aircraft N102H
Age
59
Injuries
None
Certificate
Commercial
Airplane ratings
Multi-engine land, Single-engine sea, Single-engine land
Instrument ratings
Airplane
Medical
Class 2, With waivers/limitations
Last flight review
January 1, 2005
Seat
Left
Flight hours
5,082 total · 1,193 in this make and model · 4,933 as pilot in command · 3 in the last 90 days · 2 in the last 30 days · 2 in the last 24 hours
Role
Pilot, aircraft N5368E
Age
73
Injuries
None
Certificate
Airline transport
Airplane ratings
Multi-engine land, Multi-engine sea, Single-engine land
Instrument ratings
Airplane
Medical
Class 2, With waivers/limitations
Last flight review
December 1, 2004
Seat
Left
Flight hours
15,000 total · 138 in this make and model · 10,000 as pilot in command · 7 in the last 90 days · 5 in the last 30 days · 4 in the last 24 hours

Weather

Conditions
Visual (VMC) · Day
Visibility
10 statute miles
Lowest ceiling
None
Temperature
64 °F
Altimeter
30.23 inHg

FAA reports on this event · 1

The FAA’s own accident and incident reports, matched to the aircraft by N-number and date.