Narrative:

Executed an emergency forced landing without engine power at ZZZ airport. The order of incidents are as follows: departed to ZZZ at xa:30 with flight following service (3 people on board: CFI & 2 students). Arrived around xc:00 and full stop after 2 touch and go . Switch the student and continued practicing landings an additional 1 hour 30 minutes. Upon completion of training; requested southbound departure. While climbing after rotation; the engine started to lose power and came to a complete engine failure at 500-600 feet AGL.[advised ATC] and made estimation for a possibility of landing straight but appeared not to have enough space. It was uncertain turning back to departure runway would work. However; attempted to turn back to the departure runway but was unable to complete turn thus headed west and landed on the grass field. To my understanding; the engine failure seems to have been caused by fuel starvation. The reason it was occurred are the following. External pressure and impatient. [A few days before the reported event]; I was assigned to student 1 and student 2 as [their] instructor. Student 1; student 2 claims that they must get their cpl (commercial) single rating by [the next month]. The students contact all dpes (designated pilot examiners) they know then scheduled the examination date on [the following week at ZZZ]; which is not our base airport. I was given only 4 days (5 lessons) of training session with them. Due to the extremely tight schedule and the limited availability of aircrafts in such short period of time; I had to speed up the training procedures and save every minute possible.the following mistakes had led to the accident. Absence of visual check of the fuel tank. I had visually checked the fuel tank for first 3 lessons prior to each flight. The fuel tank was full all three times as the students have said; so on the day; I trusted the students saying and assumed that the fuel tanks were full. Also we had very limited time to train; so I skipped visual check to save training time. Normal operation of the fuel gauges. Occasionally; the fuel gauges in the aircraft indicated zero when the tanks were fully topped off. It would indicate the correct figure after burning off a certain amount. The student reported likewise and I saw that the fuel gauges were indicating zero thus leading to the assumption that the tanks were fully topped off.how to prevent a recurrence. Follow the procedure regardless pressure. Do not skip any procedures. All aspects of the pre-flight routine must be visibly checked as mentioned in the check list; regardless of whatever pressure exists. Don't ignore any instrument error. Be aware of all instrument indications or errors. Double check any minor errors indicated by the instruments and follow the proper procedures outlined in the aircraft poh.

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Original NASA ASRS Text

Title: Cessna 172 instructor pilot and students reported engine failure caused by fuel starvation during climbout followed by an off field landing.

Narrative: Executed an emergency forced landing without engine power at ZZZ airport. The order of incidents are as follows: Departed to ZZZ at XA:30 with flight following service (3 people on board: CFI & 2 students). Arrived around XC:00 and full stop after 2 touch and go . Switch the student and continued practicing landings an additional 1 hour 30 minutes. Upon completion of training; requested southbound departure. While climbing after rotation; the engine started to lose power and came to a complete engine failure at 500-600 feet AGL.[Advised ATC] and made estimation for a possibility of landing straight but appeared not to have enough space. It was uncertain turning back to departure runway would work. However; attempted to turn back to the departure runway but was unable to complete turn thus headed west and landed on the grass field. To my understanding; the engine failure seems to have been caused by FUEL STARVATION. The reason it was occurred are the following. External pressure and impatient. [A few days before the reported event]; I was assigned to Student 1 and Student 2 as [their] instructor. Student 1; Student 2 claims that they must get their CPL (Commercial) single rating by [the next month]. The students contact all DPEs (Designated Pilot Examiners) they know then scheduled the examination date on [the following week at ZZZ]; which is not our base airport. I was given only 4 days (5 lessons) of training session with them. Due to the extremely tight schedule and the limited availability of aircrafts in such short period of time; I had to speed up the training procedures and save every minute possible.The following mistakes had led to the accident. Absence of visual check of the fuel tank. I had visually checked the fuel tank for first 3 lessons prior to each flight. The fuel tank was full all three times as the students have said; so on the day; I trusted the students saying and assumed that the fuel tanks were full. Also we had very limited time to train; so I skipped visual check to save training time. Normal operation of the fuel gauges. Occasionally; the fuel gauges in the aircraft indicated zero when the tanks were fully topped off. It would indicate the correct figure after burning off a certain amount. The student reported likewise and I saw that the fuel gauges were indicating zero thus leading to the assumption that the tanks were fully topped off.How to prevent a recurrence. Follow the procedure regardless pressure. Do not skip any procedures. All aspects of the pre-flight routine must be visibly checked as mentioned in the check list; regardless of whatever pressure exists. Don't ignore any instrument error. Be aware of all instrument indications or errors. Double check any minor errors indicated by the instruments and follow the proper procedures outlined in the aircraft POH.

Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.