Based on the information present in the given passage, you need to write a correct answer to the given question. A correct answer is one that correctly and completely answers the question. Do not write answers that address the question partially or incorrectly. The correct answer must be contained in the given paragraph.

Let me give you an example: Paragraph- Sent 1: Obama was born on August 4, 1961, at Kapiʻolani Maternity & Gynecological Hospital in Honolulu, Hawaii.
Sent 2: He is the only President to have been born in Hawaii.
Sent 3: He was born to a white mother and a black father.
Sent 4: His mother, Ann Dunham (1942-1995), was born in Wichita, Kansas, of mostly English descent, with some German, Irish, Scottish, Swiss, and Welsh ancestry. Question: How old was Obama's mother when he was born?
The answer to this example can be: 19.
Here is why: Obama was born in 1961. His mother was born in 1942 and 1961-1942=19. Therefore, any of the following responses are considred correct: '19' and 'almost twenty'.

OK. solve this:
Paragraph- Sent 1: The documentary portrays a behind-the-scenes look at the poor state of Argentina's civil aviation , and puts the blame on the Argentine Air Force .
Sent 2: The Air Force has been in control of air traffic operations since the military takeover of General Juan Carlos Ongan a in 1966 .
Sent 3: The producer/director , Enrique Pi eyro , claims Argentina and Nigeria are the only countries whose air force controls and regulates the airline industry .
Sent 4: Pi eyro , a former Argentine airline pilot , makes his case in the documentary using diagrams , 3D animations , interviews , hidden cameras in the control tower , and a few props .
Sent 5: For example , at one point he spills out a bag of plastic airplanes and equates it to the number of planes the air force has lost due to negligence .
Sent 6: The film is heavily based on the Austral L neas A reas Flight 2553 plane crash .
Sent 7: Enrique Pi eyro takes his camera , secretly , into the control tower of the Ministro Pistarini International Airport also-known-as Ezeiza , the international airport at Buenos Aires . 
Question: What are two main issues that indicate the "poor state" of Argentina's civil aviation?.
Answer:
The number of planes lost.