Serious incident Boeing 737-2X6C Adv. HK-5192,
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ASN Wikibase Occurrence # 275257
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Date:Thursday 3 February 2022
Time:12:51 LT
Type:Silhouette image of generic B732 model; specific model in this crash may look slightly different    
Boeing 737-2X6C Adv.
Registration: HK-5192
MSN: 23124/1046
Year of manufacture:1984
Fatalities:Fatalities: 0 / Occupants: 5
Aircraft damage: Minor
Category:Serious incident
Location:Puerto Carreño-Germán Olano Airport (PCR/SKPC) -   Colombia
Phase: Take off
Departure airport:Puerto Carreño-Germán Olano Airport (PCR/SKPC)
Destination airport:Bogotá-Eldorado Airport (BOG/SKBO)
Investigating agency: Aerocivil
Confidence Rating: Accident investigation report completed and information captured
Aerosucre Flight KRE157, a Boeing 737-200C, struck a tree on departure from Puerto Carreño Airport (PCR), Colombia.
The aircraft operated on a cargo flight from Puerto Carreño to Bogotá, Colombia. It was loaded with 31,961 lbs of payload, bringing the total calculated ramp weight to 109,036.75 lbs. (mtow is 119,500 lbs).
The crew calculated that 500 lb would be consumed on taxi to runway 07, and thus the approximate takeoff weight would be 108,556.76 lb.
At takeoff time, however, a temperature of 33.9ºC was recorded with a tendency to rise.
According to the performance table, with a weight of 108,556.75 lb, at 34ºC, the maximum takeoff weight was 107,950 lb.
Thus, the takeoff was 606 lbs. above the maximum allowable weight for performance.

The aircraft taxied to runway 07 and ATC gave the crew the wind direction information of 060 degrees, at 4 knots. The aircraft was configured with 10 degrees flaps, and the calculated speeds were: V1 130 KT, Vr 132. The parameters during the takeoff run were normal, but the high weight and high temperature delayed the aircraft's acceleration.
After rotating the aircraft, the crew retracted the landing gear and during the climb maneuver, the aircraft struck the top of a tree 14 m high tree, located 239 m past the end of the runway. Immediately, the crew had an indication in the cockpit of an engine No. 1 generator failure and loss of power of the same engine.
The crew carried out the corresponding procedures in view of the abnormal engine indication situation, and with the parameters present at the time, they decided to restart engine No. 1, which recovered and stabilized. However, there was an indication of high temperature. The aircraft reached 2,500 feet altitude and made a 30 NM departure from SKPC. At this point, the crew decided to return again, and told ATC of their intentions, also requesting ground assistance at the time of landing. There was doubt in the crew's mind as to whether the landing gear had been compromised during the aircraft's strike on the tree. For this, the crew cycled the landing gear extension and retraction system with satisfactory results confirming normal operation.
The aircraft was configured at 15 NM from SKPC with a Vref of 135kts, and flaps extended to maximum position (40 degrees). At 13:11, the aircraft landed on runway 07. The landing was normal as well as the deceleration.

A detailed inspection of the aircraft revealed the presence of vegetation embedded in the leading edge section of the left wing and in the compressor section and turbine section of the No. 1 engine.

Probable Causes
The investigation determined as probable causes of the Serious Incident:
- Late Rotation, generated by the extreme conditions of aircraft weight and density altitude, a maneuver that did not allow the aircraft to achieve sufficient climb angle and altitude to clear the obstacles in the takeoff trajectory.
- Execution of the takeoff with a higher weight than allowed, as determined by the performance calculations; this maneuver and the condition of a higher density altitude caused the aircraft to travel a greater takeoff distance, with the consequent reduction of the safety margin to avoid the obstacles located in the trajectory; this caused the aircraft to collide with a natural obstacle, immediately after making the rotation and during the initial climb.
Contributing Factors
- Overconfidence on the part of the crew, as they assumed that during the taxi they were going to obtain a certain weight reduction due to the fuel, so that the takeoff would be carried out in accordance with the performance calculations made.
- Low situational awareness of the crew and the operator's Dispatch, which influenced the decision making to continue the execution of the flight and of a takeoff in limited performance conditions.
- Weaknesses in the operational control and management of the operator's dispatch on the ground, due to the lack of an adequate briefing to the crew in which it was taken into account that the atmospheric conditions (ambient temperature, above all) would change at the time of takeoff and would affect the aircraft's performance to perform this maneuver.
- Absence of risk management by the crews and the company's Operational Safety to anticipate the conditions that could affect the aircraft's performance on a limited runway with high ambient temperature.

Accident investigation:
Investigating agency: Aerocivil
Report number: 
Status: Investigation completed
Duration: 1 year and 2 months
Download report: Final report



History of this aircraft

Other occurrences involving this aircraft
6 June 1993 N673MA Markair 0 Anchorage, AK min


Revision history:

08-Feb-2022 07:26 harro Added
08-Feb-2022 11:40 harro Updated [Location]
04-Mar-2022 17:02 harro Updated [Time, Total occupants, Destination airport, Source, Damage, Narrative, Category]
04-Mar-2022 17:08 harro Updated [Narrative]

Corrections or additions? ... Edit this accident description

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